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  <title>NOVA | PBS</title>
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  <description>NOVA brings you short audio stories from the world of science -- anything from hurricanes to mummies to neutrinos. For more science programming online and on air, visit NOVA's Web site at pbs.org/nova, or watch NOVA broadcasts Tuesday nights on PBS.</description>
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  <pubDate>Mon, 22 Dec 2008 16:00:00 -0400</pubDate>
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<item><title>Life on Ice</title><description>Could permafrost under Martian soil be the key to finding life on the red planet?  Chris McKay, a planetary scientist for NASA, thinks there's a good chance we'll see evidence of ancient microbes if we just follow the ice.

Podcast produced by David Levin. Interview by Anna Lee Strachan. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

For more fun science stories, visit our website at pbs.org/nova/mars</description><pubDate>Mon, 22 Dec 2008 16:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-a-20081222.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-a-20081222.mp3" length="2151067" type="audio/mpeg"/><guid isPermaLink="false">nova-podcast-20081222-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-podcast.jpg"/><itunes:subtitle>Could frozen water be the key to finding life on Mars?  </itunes:subtitle><itunes:summary>Could permafrost under Martian soil be the key to finding life on the red planet?  Chris McKay, a planetary scientist for NASA, thinks there's a good chance we'll see evidence of ancient microbes if we just follow the ice.

Podcast produced by David Levin. Interview by Anna Lee Strachan. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

For more fun science stories, visit our website at pbs.org/nova/mars</itunes:summary><itunes:keywords>science NOVA PBS NASA Phoenix Mars McKay lander life ice permafrost space planet </itunes:keywords><itunes:duration>5:49</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>The Coldest Frontier</title><description>Simon Schaffer is a historian of science at the University of Cambridge, England. In this podcast, he discusses the search for absolute zero and its impact on science and technology.

Podcast produced by David Levin. Interview by David Dugan. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

To learn more about the race to conquer cold, visit our Web site at pbs.org/nova/zero</description><pubDate>Fri, 19 Dec 2008 11:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-a-20081219.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-a-20081219.mp3" length="1854832" type="audio/mpeg"/><guid isPermaLink="false">nova-podcast-20081219-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-podcast.jpg"/><itunes:subtitle>Science historian Simon Schaffer says the concept of absolute zero didn't come easily.</itunes:subtitle><itunes:summary>Simon Schaffer is a historian of science at the University of Cambridge, England. In this podcast, he discusses the search for absolute zero and its impact on science and technology.

Podcast produced by David Levin. Interview by David Dugan. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

To learn more about the race to conquer cold, visit our Web site at pbs.org/nova/zero</itunes:summary><itunes:keywords>science NOVA PBS Schaffer absolute zero cold heat thermodynamics</itunes:keywords><itunes:duration>4:59</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Phoenix Arrives</title><description>Thousands of things could go wrong at any stage of the Mars Phoenix Lander's mission. But Peter Smith, the mission's Principal Investigator, says that the most nerve-wracking parts are getting Phoenix safely into space and back down again on Mars.

Podcast produced by David Levin. Interview by Jonathan Grupper. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

For more fun science stories, visit our website at pbs.org/nova/mars</description><pubDate>Wed, 17 Dec 2008 16:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-a-20081217.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-a-20081217.mp3" length="2519153" type="audio/mpeg"/><guid isPermaLink="false">nova-podcast-20081217-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-podcast.jpg"/><itunes:subtitle>Peter Smith, Principal Investigator for the Phoenix Lander mission, describes the nerve-wracking moments of launch and landing. </itunes:subtitle><itunes:summary>Thousands of things could go wrong at any stage of the Mars Phoenix Lander's mission. But Peter Smith, the mission's Principal Investigator, says that the most nerve-wracking parts are getting Phoenix safely into space and back down again on Mars.

Podcast produced by David Levin. Interview by Jonathan Grupper. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

For more fun science stories, visit our website at pbs.org/nova/mars</itunes:summary><itunes:keywords>science NOVA PBS NASA Phoenix Mars lander space planet </itunes:keywords><itunes:duration>6:51</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Did Bugs Do In the Dinos?</title><description>Did a massive asteroid kill off the dinosaurs?  Maybe not. Entomologist George Poinar thinks something much smaller might have done the job.

Podcast produced by David Levin. Interview by Terri Randall. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

Major funding for NOVA scienceNOW is provided by Pfizer, the National Science Foundation, and the Howard Hughes Medical Institute. Additional funding is provided by the Alfred P. Sloan Foundation.

This material is based upon work supported by the National Science Foundation under Grant No. 0229297. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit our website at pbs.org/nova/sciencenow</description><pubDate>Fri, 12 Dec 2008 15:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/novasciencenow-20081212.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/novasciencenow-20081212.mp3" length="2011684" type="audio/mpeg"/><guid isPermaLink="false">nova-podcast-20081212-002</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/nova_science_now.jpg"/><itunes:subtitle>Did a massive asteroid kill off the dinosaurs? Entomologist George Poinar thinks something much smaller might have done the job.</itunes:subtitle><itunes:summary>Did a massive asteroid kill off the dinosaurs?  Maybe not. Entomologist George Poinar thinks something much smaller might have done the job.

Podcast produced by David Levin. Interview by Terri Randall. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

Major funding for NOVA scienceNOW is provided by Pfizer, the National Science Foundation, and the Howard Hughes Medical Institute. Additional funding is provided by the Alfred P. Sloan Foundation.

This material is based upon work supported by the National Science Foundation under Grant No. 0229297. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit our website at pbs.org/nova/sciencenow</itunes:summary><itunes:keywords>science NOVA scienceNOW NOW PBS Poinar bugs dinosaur extinction insects parasites</itunes:keywords><itunes:duration>5:26</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Touching the Past</title><description>For Chief Anne “Little Fawn” Richardson, Pocahontas is more than a legendary historical figure. Richardson can trace her own ancestry back to the 17th century, when her tribe, the Rappahannocks, were part of a vast domain ruled by Pocahontas's father. In this podcast, Richardson reflects on the clash of cultures between Pocahontas's people and the English settlers of Jamestown. 

Podcast produced and edited by Susan K. Lewis. Interview by Kirk Wolfinger. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

To learn more, visit http://www.pbs.org/nova/pocahontas</description><pubDate>Wed, 10 Dec 2008 15:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-a-20070501-3.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-a-20070501-3.mp3" length="1842764" type="audio/mpeg"/><guid isPermaLink="false">nova-podcast-20070501-003</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-podcast.jpg"/><itunes:subtitle>The legend of Pocahontas and the founding of Jamestown have special meaning for Chief Anne “Little Fawn” Richardson.</itunes:subtitle><itunes:summary>For Chief Anne “Little Fawn” Richardson, Pocahontas is more than a legendary historical figure. Richardson can trace her own ancestry back to the 17th century, when her tribe, the Rappahannocks, were part of a vast domain ruled by Pocahontas's father. In this podcast, Richardson reflects on the clash of cultures between Pocahontas's people and the English settlers of Jamestown. 

Podcast produced and edited by Susan K. Lewis. Interview by Kirk Wolfinger. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

To learn more, visit http://www.pbs.org/nova/pocahontas</itunes:summary><itunes:keywords>science NOVA PBS Pocahontas Chief Richardson Jamestown Powhatan Indians Rappahannock history archeology</itunes:keywords><itunes:duration>4:37</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Talking With Apes</title><description>In this podcast, hear about about Sue Savage-Rumbaugh's language studies with bonobos, a primate closely related to humans.

Interview conducted by Rima Chaddha. Podcast produced and edited by David Levin. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

For more on bonobos and what they might teach us about ourselves, visit www.pbs.org/nova/bonobos</description><pubDate>Wed, 3 Dec 2008 16:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-a-20070207-3.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-a-20070207-3.mp3" length="" type="audio/mpeg"/><guid isPermaLink="false">nova-podcast-20070207-003</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-podcast.jpg"/><itunes:subtitle>Can apes learn human language? Primatologist Sue Savage-Rumbaugh thinks so.</itunes:subtitle><itunes:summary>In this podcast, hear about about Sue Savage-Rumbaugh's language studies with bonobos, a primate closely related to humans.

Interview conducted by Rima Chaddha. Podcast produced and edited by David Levin. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

For more on bonobos and what they might teach us about ourselves, visit www.pbs.org/nova/bonobos</itunes:summary><itunes:keywords>science NOVA PBS bonobos apes primates linguistics evolution Kanzi Rumbaugh </itunes:keywords><itunes:duration>:0</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Dizzying Heights</title><description>Dr. Peter Hackett is the Executive Director of the Institute for Altitude Medicine in Telluride, Colorado. In this podcast, he discusses the effects that altitude can have on the body.

Podcast produced by David Levin. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

To learn more about the dangers of climbing tall peaks and what it takes to survive, visit our Web site at pbs.org/nova/denali</description><pubDate>Wed, 26 Nov 2008 11:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-a-20071206-2.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-a-20071206-2.mp3" length="3259270" type="audio/mpeg"/><guid isPermaLink="false">nova-podcast-20071206-002</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-podcast.jpg"/><itunes:subtitle>When climbing tall mountains, icy, treacherous terrain isn't the only obstacle.</itunes:subtitle><itunes:summary>Dr. Peter Hackett is the Executive Director of the Institute for Altitude Medicine in Telluride, Colorado. In this podcast, he discusses the effects that altitude can have on the body.

Podcast produced by David Levin. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

To learn more about the dangers of climbing tall peaks and what it takes to survive, visit our Web site at pbs.org/nova/denali</itunes:summary><itunes:keywords>science, NOVA, PBS, Hackett, altitude sickness, hypoxia, climbing, skiing, Rockies, Denali, Colorado, Telluride</itunes:keywords><itunes:duration>8:47</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Finding Other Earths</title><description>The Kepler Space Telescope, which is scheduled to launch in 2009, may help astronomers find other earth-like planets for the first time. 

Podcast produced by David Levin. Interviews by Julia Cort. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

Major funding for NOVA scienceNOW is provided by Pfizer, the National Science Foundation, and the Howard Hughes Medical Institute. Additional funding is provided by the Alfred P. Sloan Foundation.

This material is based upon work supported by the National Science Foundation under Grant No. 0229297. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit our Web site at pbs.org/nova/sciencenow</description><pubDate>Thu, 13 Nov 2008 17:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/novasciencenow-20081113.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/novasciencenow-20081113.mp3" length="1836153" type="audio/mpeg"/><guid isPermaLink="false">nova-podcast-20081113-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/nova_science_now.jpg"/><itunes:subtitle>When the Kepler Space Telescope launches in 2009, astronomers might finally be able to spot other earth-like planets.</itunes:subtitle><itunes:summary>The Kepler Space Telescope, which is scheduled to launch in 2009, may help astronomers find other earth-like planets for the first time. 

Podcast produced by David Levin. Interviews by Julia Cort. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

Major funding for NOVA scienceNOW is provided by Pfizer, the National Science Foundation, and the Howard Hughes Medical Institute. Additional funding is provided by the Alfred P. Sloan Foundation.

This material is based upon work supported by the National Science Foundation under Grant No. 0229297. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit our Web site at pbs.org/nova/sciencenow</itunes:summary><itunes:keywords>science NOVA scienceNOW NOW PBS astronomy Kepler Space Telescope Charbonneau Marcy Kaltenegger</itunes:keywords><itunes:duration>4:53</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>The Many Gods of Israel</title><description>Archeologist Bill Dever says that in addition to the Hebrew god Yahweh, ancient Israelites may have worshipped a Canaanite female goddess called Asherah.

This podcast was produced by David Levin and Susan Lewis. Interview by Gary Glassman. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

Major funding for "The Bible's Buried Secrets" is provided by The Arthur Vining Davis Foundations, the Richard and Rhoda Goldman Fund, and the Righteous Persons Foundation.

For more on what archeology is revealing about biblical times, visit www.pbs.org/nova/bible</description><pubDate>Wed, 12 Nov 2008 17:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-a-20081112.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-a-20081112.mp3" length="1864767" type="audio/mpeg"/><guid isPermaLink="false">nova-podcast-20081112-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-podcast.jpg"/><itunes:subtitle>Archeologist Bill Dever says that polytheism may have been the norm in ancient Israel.</itunes:subtitle><itunes:summary>Archeologist Bill Dever says that in addition to the Hebrew god Yahweh, ancient Israelites may have worshipped a Canaanite female goddess called Asherah.

This podcast was produced by David Levin and Susan Lewis. Interview by Gary Glassman. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

Major funding for "The Bible's Buried Secrets" is provided by The Arthur Vining Davis Foundations, the Richard and Rhoda Goldman Fund, and the Righteous Persons Foundation.

For more on what archeology is revealing about biblical times, visit www.pbs.org/nova/bible</itunes:summary><itunes:keywords>science NOVA PBS Dever Bible Israel Yahweh Asherah biblical</itunes:keywords><itunes:duration>4:59</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>The Insider Who Knew</title><description>This podcast was produced by David Levin. Interview by Arun Rath. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

For more on Space Shuttle Disaster, visit www.pbs.org/nova/columbia</description><pubDate>Wed, 8 Oct 2008 10:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-a-20081008.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-a-20081008.mp3" length="2494199" type="audio/mpeg"/><guid isPermaLink="false">nova-podcast-20081008-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-podcast.jpg"/><itunes:subtitle>NASA engineer Rodney Rocha speaks out about his efforts to prevent the Columbia Space Shuttle disaster.</itunes:subtitle><itunes:summary>This podcast was produced by David Levin. Interview by Arun Rath. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

For more on Space Shuttle Disaster, visit www.pbs.org/nova/columbia</itunes:summary><itunes:keywords>science NOVA PBS Rocha Columbia shuttle NASA space accident</itunes:keywords><itunes:duration>6:45</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Smart Birds</title><description>Some parrots can talk-but can they really understand what they're saying?
In this podcast, researcher Irene Pepperberg describes her cognitive experiments with African grey parrots, and discusses why the line between human and animal intelligence is sometimes blurry.

Produced by David Levin. NOVA is produced by WGBH in Boston. Major funding for NOVA scienceNOW is provided by Pfizer, the National Science Foundation, the Howard Hughes Medical Institute, the Alfred P. Sloan Foundation, and public television viewers.

This material is based upon work supported by the National Science Foundation under Grant No. 0229297. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit our Web site at http://www.pbs.org/nova/sciencenow</description><pubDate>Wed, 1 Oct 2008 16:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/novasciencenow-20081001.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/novasciencenow-20081001.mp3" length="2564639" type="audio/mpeg"/><guid isPermaLink="false">nova-podcast-20081001-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/nova_science_now.jpg"/><itunes:subtitle>Some parrots can talk-but can they really understand what they're saying?</itunes:subtitle><itunes:summary>Some parrots can talk-but can they really understand what they're saying?
In this podcast, researcher Irene Pepperberg describes her cognitive experiments with African grey parrots, and discusses why the line between human and animal intelligence is sometimes blurry.

Produced by David Levin. NOVA is produced by WGBH in Boston. Major funding for NOVA scienceNOW is provided by Pfizer, the National Science Foundation, the Howard Hughes Medical Institute, the Alfred P. Sloan Foundation, and public television viewers.

This material is based upon work supported by the National Science Foundation under Grant No. 0229297. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit our Web site at http://www.pbs.org/nova/sciencenow</itunes:summary><itunes:keywords>science NOVA PBS NOW Pepperberg Alex parrot cognition intelligence animal</itunes:keywords><itunes:duration>6:52</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Tiny Black Holes</title><description>CERN's massive particle collider in Geneva, Switzerland, may create tiny black holes when it goes online-hopefully-in 2008. Not to worry, though: In this podcast, physicist Dave Wark explains that there's no way these can destroy the world. 

This podcast was produced by David Levin. Interview with Dave Wark by Rima Chaddha. NOVA is produced by WGBH in Boston. Major funding for NOVA is provided by The DOW Chemical Company, the Corporation for Public Broadcasting, and public television viewers. Major funding for NOVA scienceNOW is provided by the National Science Foundation and the Howard Hughes Medical Institute. Additional funding is provided by the Alfred P. Sloan Foundation.

To learn more, visit www.pbs.org/nova/sciencenow</description><pubDate>Fri, 26 Sep 2008 17:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/novasciencenow-20070706-2.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/novasciencenow-20070706-2.mp3" length="1096216" type="audio/mpeg"/><guid isPermaLink="false">nova-podcast-20070706-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/nova_science_now.jpg"/><itunes:subtitle>Manufacturing black holes isn't as dangerous as it sounds.</itunes:subtitle><itunes:summary>CERN's massive particle collider in Geneva, Switzerland, may create tiny black holes when it goes online-hopefully-in 2008. Not to worry, though: In this podcast, physicist Dave Wark explains that there's no way these can destroy the world. 

This podcast was produced by David Levin. Interview with Dave Wark by Rima Chaddha. NOVA is produced by WGBH in Boston. Major funding for NOVA is provided by The DOW Chemical Company, the Corporation for Public Broadcasting, and public television viewers. Major funding for NOVA scienceNOW is provided by the National Science Foundation and the Howard Hughes Medical Institute. Additional funding is provided by the Alfred P. Sloan Foundation.

To learn more, visit www.pbs.org/nova/sciencenow</itunes:summary><itunes:keywords>science, NOVA, WGBH, PBS, scienceNOW, NOW, Dave Wark, CERN, LHC, Large Hadron Collider, black hole, physics, particle physics, exploration, atom</itunes:keywords><itunes:duration>2:54</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Supersized Black Hole</title><description>Astrophysicist Andrea Ghez of the University of California, Los Angeles describes her discovery of a supermassive black hole at the center of the Milky Way.

This podcast was produced by Susan K. Lewis and edited by David Levin. Interview by Susan K. Lewis. Music courtesy www.animalhospitalmusic.com. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers. Major funding for "Monster of the Milky Way" is provided by the National Science Foundation and by NASA's Gamma Ray Large Area Space Telescope (GLAST).

To learn more, visit www.pbs.org/nova/blackhole</description><pubDate>Mon, 22 Sep 2008 10:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-a-20061031-2.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-a-20061031-2.mp3" length="1973760" type="audio/mpeg"/><guid isPermaLink="false">nova-podcast-20061031-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-podcast.jpg"/><itunes:subtitle>Astrophysicist Andrea Ghez discusses her discovery of a black hole at the center of the Milky Way.</itunes:subtitle><itunes:summary>Astrophysicist Andrea Ghez of the University of California, Los Angeles describes her discovery of a supermassive black hole at the center of the Milky Way.

This podcast was produced by Susan K. Lewis and edited by David Levin. Interview by Susan K. Lewis. Music courtesy www.animalhospitalmusic.com. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers. Major funding for "Monster of the Milky Way" is provided by the National Science Foundation and by NASA's Gamma Ray Large Area Space Telescope (GLAST).

To learn more, visit www.pbs.org/nova/blackhole</itunes:summary><itunes:keywords>science, NOVA, PBS, black holes, galaxy, Milky Way, astrophysics, physics, space, Andrea Ghez</itunes:keywords><itunes:duration>4:33</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>E = mc2 | Frank Wilczek</title><description>Physicist Frank Wilczek of MIT offers his take on Einstein's famous equation.

This podcast was produced by David Levin and Lexi Krock. Audio editing by David Levin. Music courtesy www.animalhospitalmusic.com. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

For more on E = mc2, visit www.pbs.org/nova/einstein</description><pubDate>Mon, 15 Sep 2008 17:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-a-20080915.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-a-20080915.mp3" length="681716" type="audio/mpeg"/><guid isPermaLink="false">nova-podcast-20080915-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-podcast.jpg"/><itunes:subtitle>Frank Wilczek on E = mc2</itunes:subtitle><itunes:summary>Physicist Frank Wilczek of MIT offers his take on Einstein's famous equation.

This podcast was produced by David Levin and Lexi Krock. Audio editing by David Levin. Music courtesy www.animalhospitalmusic.com. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

For more on E = mc2, visit www.pbs.org/nova/einstein</itunes:summary><itunes:keywords>science NOVA PBS Einstein E=mc2 physics relativity Wilczek </itunes:keywords><itunes:duration>1:49</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>E = mc2 | Neil deGrasse Tyson</title><description>Astrophysicist Neil deGrasse Tyson from the American Museum of Natural History offers his take on Einstein's famous equation.

This podcast was produced by David Levin and Lexi Krock. Audio editing by David Levin. Music courtesy www.animalhospitalmusic.com. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

For more on E = mc2, visit www.pbs.org/nova/einstein</description><pubDate>Fri, 12 Sep 2008 12:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-a-20080912.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-a-20080912.mp3" length="1291812" type="audio/mpeg"/><guid isPermaLink="false">nova-podcast-20080912-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-podcast.jpg"/><itunes:subtitle>Neil deGrasse Tyson on E = mc2</itunes:subtitle><itunes:summary>Astrophysicist Neil deGrasse Tyson from the American Museum of Natural History offers his take on Einstein's famous equation.

This podcast was produced by David Levin and Lexi Krock. Audio editing by David Levin. Music courtesy www.animalhospitalmusic.com. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

For more on E = mc2, visit www.pbs.org/nova/einstein</itunes:summary><itunes:keywords>science NOVA PBS Einstein E=mc2 physics relativity deGrasse Tyson </itunes:keywords><itunes:duration>3:28</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>E = mc2 | Janet Conrad</title><description>Physicist Janet Conrad of Columbia University offers her take on Einstein's famous equation.

This podcast was produced by David Levin and Lexi Krock. Audio editing by David Levin. Music courtesy www.animalhospitalmusic.com. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

For more on E = mc2, visit www.pbs.org/nova/einstein</description><pubDate>Wed, 10 Sep 2008 17:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-a-20060911-2.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-a-20060911-2.mp3" length="868473" type="audio/mpeg"/><guid isPermaLink="false">nova-podcast-20060911-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-podcast.jpg"/><itunes:subtitle>Janet Conrad on E = mc2</itunes:subtitle><itunes:summary>Physicist Janet Conrad of Columbia University offers her take on Einstein's famous equation.

This podcast was produced by David Levin and Lexi Krock. Audio editing by David Levin. Music courtesy www.animalhospitalmusic.com. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

For more on E = mc2, visit www.pbs.org/nova/einstein</itunes:summary><itunes:keywords>science NOVA PBS Einstein E=mc2 physics relativity Columbia Conrad</itunes:keywords><itunes:duration>2:19</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>E = mc2 | Sheldon Glashow</title><description>Physicist Sheldon Glashow of Boston University offers his take on Einstein's famous equation.

This podcast was produced by David Levin and Lexi Krock. Audio editing by David Levin. Music courtesy www.animalhospitalmusic.com. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

For more on E = mc2, visit www.pbs.org/nova/einstein</description><pubDate>Mon, 8 Sep 2008 17:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-a-20060906-2.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-a-20060906-2.mp3" length="1131648" type="audio/mpeg"/><guid isPermaLink="false">nova-podcast-20060906-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-podcast.jpg"/><itunes:subtitle>Sheldon Glashow on E = mc2</itunes:subtitle><itunes:summary>Physicist Sheldon Glashow of Boston University offers his take on Einstein's famous equation.

This podcast was produced by David Levin and Lexi Krock. Audio editing by David Levin. Music courtesy www.animalhospitalmusic.com. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

For more on E = mc2, visit www.pbs.org/nova/einstein</itunes:summary><itunes:keywords>science NOVA PBS Einstein E=mc2 physics relativity Boston University Glashow Sheldon</itunes:keywords><itunes:duration>3:02</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>E = mc2 | Alan Guth</title><description>Physicist Alan Guth of MIT offers his take on Einstein's famous equation.

This podcast was produced by David Levin and Lexi Krock. Audio editing by David Levin. Music courtesy www.animalhospitalmusic.com. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

For more on E = mc2, visit www.pbs.org/nova/einstein</description><pubDate>Fri, 5 Sep 2008 16:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-a-20060915-2.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-a-20060915-2.mp3" length="951618" type="audio/mpeg"/><guid isPermaLink="false">nova-podcast-20060915-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-podcast.jpg"/><itunes:subtitle>Alan Guth on E = mc2</itunes:subtitle><itunes:summary>Physicist Alan Guth of MIT offers his take on Einstein's famous equation.

This podcast was produced by David Levin and Lexi Krock. Audio editing by David Levin. Music courtesy www.animalhospitalmusic.com. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

For more on E = mc2, visit www.pbs.org/nova/einstein</itunes:summary><itunes:keywords>science, NOVA, PBS, Albert Einstein, Einstein, E=mc2, squared, physics, relativity, Alan Guth</itunes:keywords><itunes:duration>2:33</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>E = mc2 | Brian Greene</title><description>Physicist Brian Greene of Columbia University offers his take on Einstein's famous equation.

This podcast was produced by David Levin and Lexi Krock. Audio editing by David Levin. Music courtesy www.animalhospitalmusic.com. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

For more on E = mc2, visit www.pbs.org/nova/einstein</description><pubDate>Wed, 3 Sep 2008 17:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/nsnpodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-a-20080903.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/nsnpodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-a-20080903.mp3" length="1147167" type="audio/mpeg"/><guid isPermaLink="false">nova-20080903-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-podcast.jpg"/><itunes:subtitle>Brian Greene on E = mc2</itunes:subtitle><itunes:summary>Physicist Brian Greene of Columbia University offers his take on Einstein's famous equation.

This podcast was produced by David Levin and Lexi Krock. Audio editing by David Levin. Music courtesy www.animalhospitalmusic.com. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

For more on E = mc2, visit www.pbs.org/nova/einstein</itunes:summary><itunes:keywords>science NOVA PBS Einstein E=mc2 physics relativity Brian Greene</itunes:keywords><itunes:duration>3:04</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Everything Bites</title><description>Mark Siddall, a.k.a. Dr. Leech, says that while searching for the giant Amazonian leech, bloodsucking creatures were the least of his problems.  

Produced by David Levin. Interview conducted by Peter Tyson. NOVA is produced by WGBH in Boston. Major funding for NOVA scienceNOW is provided by Pfizer, the National Science Foundation, the Howard Hughes Medical Institute, the Alfred P. Sloan Foundation, and public television viewers.

This material is based upon work supported by the National Science Foundation under Grant No. 0229297. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit our Web site at http://www.pbs.org/nova/sciencenow</description><pubDate>Mon, 25 Aug 2008 17:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/nsnpodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/novasciencenow-20080825.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/nsnpodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/novasciencenow-20080825.mp3" length="1477948" type="audio/mpeg"/><guid isPermaLink="false">nova-sciencenow-20080825-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/nova_science_now.jpg"/><itunes:subtitle>Leech expert Mark Siddall has met with some, well, interesting challenges while searching for new specimens in the Amazon.</itunes:subtitle><itunes:summary>Mark Siddall, a.k.a. Dr. Leech, says that while searching for the giant Amazonian leech, bloodsucking creatures were the least of his problems.  

Produced by David Levin. Interview conducted by Peter Tyson. NOVA is produced by WGBH in Boston. Major funding for NOVA scienceNOW is provided by Pfizer, the National Science Foundation, the Howard Hughes Medical Institute, the Alfred P. Sloan Foundation, and public television viewers.

This material is based upon work supported by the National Science Foundation under Grant No. 0229297. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit our Web site at http://www.pbs.org/nova/sciencenow</itunes:summary><itunes:keywords>science NOVA scienceNOW NOW PBS leeches leech Siddall French Guyana Amazon </itunes:keywords><itunes:duration>3:58</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Engineering Fiction</title><description>Engineer Karl Iagnemma of MIT talks to NOVA scienceNOW's Susan Lewis about his dual life as a roboticist and award-winning fiction author. 

Produced by Susan K. Lewis. Audio editing by David Levin. Interview conducted by Susan Lewis. NOVA is produced by WGBH in Boston. Major funding for NOVA scienceNOW is provided by Pfizer, the National Science Foundation, the Howard Hughes Medical Institute, the Alfred P. Sloan Foundation, and public television viewers.

This material is based upon work supported by the National Science Foundation under Grant No. 0229297. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit our Web site at http://www.pbs.org/nova/sciencenow</description><pubDate>Wed, 20 Aug 2008 19:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/nsnpodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/novasciencenow-20060811-2.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/nsnpodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/novasciencenow-20060811-2.mp3" length="2324693" type="audio/mpeg"/><guid isPermaLink="false">nova-sciencenow-20060811-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/nova_science_now.jpg"/><itunes:subtitle>Engineer Karl Iagnemma discusses his dual life as researcher and fiction author.</itunes:subtitle><itunes:summary>Engineer Karl Iagnemma of MIT talks to NOVA scienceNOW's Susan Lewis about his dual life as a roboticist and award-winning fiction author. 

Produced by Susan K. Lewis. Audio editing by David Levin. Interview conducted by Susan Lewis. NOVA is produced by WGBH in Boston. Major funding for NOVA scienceNOW is provided by Pfizer, the National Science Foundation, the Howard Hughes Medical Institute, the Alfred P. Sloan Foundation, and public television viewers.

This material is based upon work supported by the National Science Foundation under Grant No. 0229297. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit our Web site at http://www.pbs.org/nova/sciencenow</itunes:summary><itunes:keywords>science, NOVA, scienceNOW, now, PBS, robotics, robots, Karl, Iagnemma, fiction, writing, romantic, scientists</itunes:keywords><itunes:duration>6:15</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Wired for Weight</title><description>In this podcast, NOVA scienceNOW correspondent David Duncan talks to Dr. Jeffrey Friedman of Rockefeller University about the connection between genetics and obesity.  

Audio editing by David Levin. Produced by Dean Irwin. Interview conducted by David Duncan. NOVA is produced by WGBH in Boston. Major funding for NOVA scienceNOW is provided by Pfizer, the National Science Foundation, the Howard Hughes Medical Institute, the Alfred P. Sloan Foundation, and public television viewers.

This material is based upon work supported by the National Science Foundation under Grant No. 0229297. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit our Web site at http://www.pbs.org/nova/sciencenow</description><pubDate>Mon, 18 Aug 2008 17:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/nsnpodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/novasciencenow-20060320-2.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/nsnpodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/novasciencenow-20060320-2.mp3" length="2084606" type="audio/mpeg"/><guid isPermaLink="false">nova-sciencenow-20060320-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/nova_science_now.jpg"/><itunes:subtitle>Dr. Jeffrey Friedman of Rockefeller University explains the connection between genetics and obesity.</itunes:subtitle><itunes:summary>In this podcast, NOVA scienceNOW correspondent David Duncan talks to Dr. Jeffrey Friedman of Rockefeller University about the connection between genetics and obesity.  

Audio editing by David Levin. Produced by Dean Irwin. Interview conducted by David Duncan. NOVA is produced by WGBH in Boston. Major funding for NOVA scienceNOW is provided by Pfizer, the National Science Foundation, the Howard Hughes Medical Institute, the Alfred P. Sloan Foundation, and public television viewers.

This material is based upon work supported by the National Science Foundation under Grant No. 0229297. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit our Web site at http://www.pbs.org/nova/sciencenow</itunes:summary><itunes:keywords>science, NOVA, WGBH, PBS, sciencenow, now, obesity, diet, weight, fat, genetics, Friedman, Rockefeller</itunes:keywords><itunes:duration>5:37</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Mother of All Extinctions</title><description>NOVA scienceNOW producer Joe McMaster asks our series host, Neil deGrasse Tyson, why everyone should know about the Permian extinction. 

Produced by Susan K. Lewis. Audio editing by David Levin. Interview conducted by Joe McMaster. NOVA is produced by WGBH in Boston. Major funding for NOVA scienceNOW is provided by Pfizer, the National Science Foundation, the Howard Hughes Medical Institute, the Alfred P. Sloan Foundation, and public television viewers.

This material is based upon work supported by the National Science Foundation under Grant No. 0229297. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit our Web site at http://www.pbs.org/nova/sciencenow</description><pubDate>Wed, 13 Aug 2008 16:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/nsnpodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/novasciencenow-20061115-2.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/nsnpodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/novasciencenow-20061115-2.mp3" length="677911" type="audio/mpeg"/><guid isPermaLink="false">nova-sciencenow-20061115-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/nova_science_now.jpg"/><itunes:subtitle>Why should we care about a great biotic wipeout 250 million years ago?</itunes:subtitle><itunes:summary>NOVA scienceNOW producer Joe McMaster asks our series host, Neil deGrasse Tyson, why everyone should know about the Permian extinction. 

Produced by Susan K. Lewis. Audio editing by David Levin. Interview conducted by Joe McMaster. NOVA is produced by WGBH in Boston. Major funding for NOVA scienceNOW is provided by Pfizer, the National Science Foundation, the Howard Hughes Medical Institute, the Alfred P. Sloan Foundation, and public television viewers.

This material is based upon work supported by the National Science Foundation under Grant No. 0229297. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit our Web site at http://www.pbs.org/nova/sciencenow</itunes:summary><itunes:keywords>science, NOVA, scienceNOW, NOW, PBS, Neil deGrasse Tyson, extinction, Permian</itunes:keywords><itunes:duration>1:46</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Extinction Happens</title><description>NOVA scienceNOW producer Julia Cort talks to MIT geologist Sam Bowring about a mass extinction at the end of the Permian period and discusses whether it could happen again. 

Audio editing by David Levin. Produced by Susan K. Lewis. Interview with Sam Bowring conducted by Julia Cort. NOVA is produced by WGBH in Boston. Major funding for NOVA scienceNOW is provided by Pfizer, the National Science Foundation, the Howard Hughes Medical Institute, the Alfred P. Sloan Foundation, and public television viewers.

This material is based upon work supported by the National Science Foundation under Grant No. 0229297. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit our Web site at http://www.pbs.org/nova/sciencenow</description><pubDate>Mon, 11 Aug 2008 17:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/nsnpodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/novasciencenow-20061108-2.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/nsnpodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/novasciencenow-20061108-2.mp3" length="2245732" type="audio/mpeg"/><guid isPermaLink="false">nova-sciencenow-20061108-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/nova_science_now.jpg"/><itunes:subtitle>MIT geologist Sam Bowring discusses the biggest extinction Earth has ever seen.</itunes:subtitle><itunes:summary>NOVA scienceNOW producer Julia Cort talks to MIT geologist Sam Bowring about a mass extinction at the end of the Permian period and discusses whether it could happen again. 

Audio editing by David Levin. Produced by Susan K. Lewis. Interview with Sam Bowring conducted by Julia Cort. NOVA is produced by WGBH in Boston. Major funding for NOVA scienceNOW is provided by Pfizer, the National Science Foundation, the Howard Hughes Medical Institute, the Alfred P. Sloan Foundation, and public television viewers.

This material is based upon work supported by the National Science Foundation under Grant No. 0229297. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit our Web site at http://www.pbs.org/nova/sciencenow</itunes:summary><itunes:keywords>science, NOVA, scienceNOW, NOW, PBS, Sam Bowring, MIT, geology, extinction, Permian</itunes:keywords><itunes:duration>5:19</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Longevity Gene</title><description>NOVA scienceNOW producer Chad Cohen describes a new study that may link longevity to a gene controlling a certain type of cholesterol. 

Produced by Chad Cohen and Lexi Krock. Audio editing by David Levin. Interviews conducted by Chad Cohen. NOVA is produced by WGBH in Boston. Major funding for NOVA scienceNOW is provided by Pfizer, the National Science Foundation, the Howard Hughes Medical Institute, the Alfred P. Sloan Foundation, and public television viewers.

This material is based upon work supported by the National Science Foundation under Grant No. 0229297. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit our Web site at http://www.pbs.org/nova/sciencenow</description><pubDate>Fri, 8 Aug 2008 17:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/nsnpodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/novasciencenow-20070103-2.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/nsnpodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/novasciencenow-20070103-2.mp3" length="1715768" type="audio/mpeg"/><guid isPermaLink="false">nova-sciencenow-20070103-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/nova_science_now.jpg"/><itunes:subtitle>Is the key to longevity all in your genes?</itunes:subtitle><itunes:summary>NOVA scienceNOW producer Chad Cohen describes a new study that may link longevity to a gene controlling a certain type of cholesterol. 

Produced by Chad Cohen and Lexi Krock. Audio editing by David Levin. Interviews conducted by Chad Cohen. NOVA is produced by WGBH in Boston. Major funding for NOVA scienceNOW is provided by Pfizer, the National Science Foundation, the Howard Hughes Medical Institute, the Alfred P. Sloan Foundation, and public television viewers.

This material is based upon work supported by the National Science Foundation under Grant No. 0229297. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit our Web site at http://www.pbs.org/nova/sciencenow</itunes:summary><itunes:keywords>science, NOVA, WGBH, PBS, scienceNOW, NOW, Nir Barzilai, genetics, genes, cholesterol, aging, age, medicine, longevity</itunes:keywords><itunes:duration>4:28</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Bacteria Unite!</title><description>Bonnie Bassler of Princeton University explains how bacteria can "talk" with one another, and even join together in coordinated efforts.  Scientists are beginning to see these microscopic creatures-once thought completely asocial-in a whole new way.

Podcast produced by Susan K. Lewis and edited by David Levin. Interview by Carla Denley. NOVA is produced by WGBH in Boston. Major funding for NOVA scienceNOW is provided by Pfizer, the National Science Foundation, the Howard Hughes Medical Institute, the Alfred P. Sloan Foundation, and public television viewers.

This material is based upon work supported by the National Science Foundation under Grant No. 0229297. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit our Web site at http://www.pbs.org/nova/sciencenow</description><pubDate>Fri, 8 Aug 2008 17:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/nsnpodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/novasciencenow-20061222-2.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/nsnpodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/novasciencenow-20061222-2.mp3" length="1112049" type="audio/mpeg"/><guid isPermaLink="false">nova-sciencenow-20061222-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/nova_science_now.jpg"/><itunes:subtitle>Biologist Bonnie Bassler describes how bacteria are smarter than we think.</itunes:subtitle><itunes:summary>Bonnie Bassler of Princeton University explains how bacteria can "talk" with one another, and even join together in coordinated efforts.  Scientists are beginning to see these microscopic creatures-once thought completely asocial-in a whole new way.

Podcast produced by Susan K. Lewis and edited by David Levin. Interview by Carla Denley. NOVA is produced by WGBH in Boston. Major funding for NOVA scienceNOW is provided by Pfizer, the National Science Foundation, the Howard Hughes Medical Institute, the Alfred P. Sloan Foundation, and public television viewers.

This material is based upon work supported by the National Science Foundation under Grant No. 0229297. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit our Web site at http://www.pbs.org/nova/sciencenow</itunes:summary><itunes:keywords>science, NOVA, scienceNOW, NOW, PBS, Bonnie Bassler, microbe, bacteria, quorum sensing, biology, genetics, Princeton</itunes:keywords><itunes:duration>2:57</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Cosmic Perspective: Happy Birthday, NASA</title><description>NOVA scienceNOW host and astrophysicist Neil deGrasse Tyson offers a birthday greeting to America's space agency. 

NOVA is produced by WGBH in Boston. Major funding for NOVA scienceNOW is provided by Pfizer, the National Science Foundation, and the Howard Hughes Medical Institute. Additional funding is provided by the Alfred P. Sloan Foundation.

This material is based upon work supported by the National Science Foundation under Grant No. 0229297. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit our Web site at pbs.org/nova/sciencenow</description><pubDate>Wed, 30 Jul 2008 16:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-a-20080730.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-a-20080730.mp3" length="839215" type="audio/mpeg"/><guid isPermaLink="false">nova-podcast-20080730-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-podcast.jpg"/><itunes:subtitle>Neil deGrasse Tyson is the same age as NASA, and both have come a long way in 50 years. </itunes:subtitle><itunes:summary>NOVA scienceNOW host and astrophysicist Neil deGrasse Tyson offers a birthday greeting to America's space agency. 

NOVA is produced by WGBH in Boston. Major funding for NOVA scienceNOW is provided by Pfizer, the National Science Foundation, and the Howard Hughes Medical Institute. Additional funding is provided by the Alfred P. Sloan Foundation.

This material is based upon work supported by the National Science Foundation under Grant No. 0229297. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit our Web site at pbs.org/nova/sciencenow</itunes:summary><itunes:keywords>science NOVA PBS scienceNOW now Neil deGrasse Tyson SETI cosmic perspective NASA</itunes:keywords><itunes:duration>2:15</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Iceland's Clean Machines</title><description>Jon Bjoern Skulason of Icelandic New Energy discusses the future of hydrogen-powered vehicles in Iceland.

This podcast was produced and edited by David Levin. Interview by Joe Seamans. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

To learn more, visit www.pbs.org/nova/car</description><pubDate>Tue, 29 Jul 2008 18:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-a-20080729.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-a-20080729.mp3" length="1146777" type="audio/mpeg"/><guid isPermaLink="false">nova-podcast-20080729-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-podcast.jpg"/><itunes:subtitle>Will Iceland's cars soon be running on hydrogen fuel?</itunes:subtitle><itunes:summary>Jon Bjoern Skulason of Icelandic New Energy discusses the future of hydrogen-powered vehicles in Iceland.

This podcast was produced and edited by David Levin. Interview by Joe Seamans. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

To learn more, visit www.pbs.org/nova/car</itunes:summary><itunes:keywords>science, NOVA, PBS, Iceland, Reykjavik, hydrogen, fuel cell, green energy, alternative energy, hydrogen, car, bus</itunes:keywords><itunes:duration>3:04</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Really Smart Cars</title><description>Energy expert Amory Lovins of the Rocky Mountain Institute thinks we may all be driving software-rich, really smart cars in the future. Listen in.

Podcast produced and edited by Susan Lewis with additional editing by David Levin. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

To learn more, visit http://www.pbs.org/nova/car</description><pubDate>Thu, 24 Jul 2008 16:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-a-20080417-2.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-a-20080417-2.mp3" length="1828152" type="audio/mpeg"/><guid isPermaLink="false">nova-podcast-20080417-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-podcast.jpg"/><itunes:subtitle>Can you imagine a car that calls 911 on its own? Amory Lovins can.</itunes:subtitle><itunes:summary>Energy expert Amory Lovins of the Rocky Mountain Institute thinks we may all be driving software-rich, really smart cars in the future. Listen in.

Podcast produced and edited by Susan Lewis with additional editing by David Levin. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

To learn more, visit http://www.pbs.org/nova/car</itunes:summary><itunes:keywords>NOVA, PBS, Car Talk, Amory Lovins, alternative vehicles, Car of the Future, science, smart cars</itunes:keywords><itunes:duration>4:55</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Cosmic Perspective: Intelligent Life?</title><description>NOVA scienceNOW host and astrophysicist Neil deGrasse Tyson gives his "Cosmic Perspective" on what an alien civilization picking up radio signals from Earth might think.

NOVA is produced by WGBH in Boston. Major funding for NOVA scienceNOW is provided by Pfizer, the National Science Foundation, and the Howard Hughes Medical Institute. Additional funding is provided by the Alfred P. Sloan Foundation.

This material is based upon work supported by the National Science Foundation under Grant No. 0229297. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit our Web site at http://www.pbs.org/nova/sciencenow</description><pubDate>Tue, 22 Jul 2008 17:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/novasciencenow-20080722.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/novasciencenow-20080722.mp3" length="853733" type="audio/mpeg"/><guid isPermaLink="false">nova-podcast-20080722-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-podcast.jpg"/><itunes:subtitle>Would aliens perceive life on Earth as intelligent? Neil deGrasse Tyson gives his "cosmic perspective."</itunes:subtitle><itunes:summary>NOVA scienceNOW host and astrophysicist Neil deGrasse Tyson gives his "Cosmic Perspective" on what an alien civilization picking up radio signals from Earth might think.

NOVA is produced by WGBH in Boston. Major funding for NOVA scienceNOW is provided by Pfizer, the National Science Foundation, and the Howard Hughes Medical Institute. Additional funding is provided by the Alfred P. Sloan Foundation.

This material is based upon work supported by the National Science Foundation under Grant No. 0229297. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit our Web site at http://www.pbs.org/nova/sciencenow</itunes:summary><itunes:keywords>science, NOVA, PBS, scienceNOW, now, Neil deGrasse Tyson, SETI, cosmic perspective</itunes:keywords><itunes:duration>2:16</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Eavesdropping on ET</title><description>Seth Shostak, senior astronomer for SETI, explains the organization's search for other intelligent life in the universe.

Podcast produced by David Levin. Interview by Andrea Kissack. 

NOVA is produced by WGBH in Boston. Funding for NOVA scienceNOW is provided by Pfizer, the National Science Foundation, the Howard Hughes Medical Institute, the Alfred P. Sloan Foundation, the Corporation for Public Broadcasting, and public television viewers.

This material is based upon work supported by the National Science Foundation under Grant No. 0407101. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation.

You can visit us online at http://www.pbs.org/nova/sciencenow</description><pubDate>Tue, 22 Jul 2008 09:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/novasciencenow-20080229-2.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/novasciencenow-20080229-2.mp3" length="1887865" type="audio/mpeg"/><guid isPermaLink="false">nova-podcast-20070229-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-podcast.jpg"/><itunes:subtitle>Is anybody out there? Seth Shostak thinks so.</itunes:subtitle><itunes:summary>Seth Shostak, senior astronomer for SETI, explains the organization's search for other intelligent life in the universe.

Podcast produced by David Levin. Interview by Andrea Kissack. 

NOVA is produced by WGBH in Boston. Funding for NOVA scienceNOW is provided by Pfizer, the National Science Foundation, the Howard Hughes Medical Institute, the Alfred P. Sloan Foundation, the Corporation for Public Broadcasting, and public television viewers.

This material is based upon work supported by the National Science Foundation under Grant No. 0407101. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation.

You can visit us online at http://www.pbs.org/nova/sciencenow</itunes:summary><itunes:keywords>science, NOVA, PBS, SETI, Seth Shostak, aliens, contact, extra terrestrial </itunes:keywords><itunes:duration>5:02</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Leeches!</title><description>Mark Siddall, a leech expert at the American Museum of Natural History, wants to change how you think about nature's most notorious blood-suckers.

Podcast produced by David Levin. Original interview by Julia Cort.

NOVA is produced by WGBH in Boston. Funding for NOVA scienceNOW is provided by Pfizer, the National Science Foundation, the Howard Hughes Medical Institute, the Alfred P. Sloan Foundation, the Corporation for Public Broadcasting, and public television viewers.

This material is based upon work supported by the National Science Foundation under Grant No. 0407101. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit http://www.pbs.org/nova/sciencenow</description><pubDate>Fri, 18 Jul 2008 13:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/novasciencenow-20071121-3.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/novasciencenow-20071121-3.mp3" length="1932678" type="audio/mpeg"/><guid isPermaLink="false">nova-podcast-20071121-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-podcast.jpg"/><itunes:subtitle>Think of them as "worms with panache."</itunes:subtitle><itunes:summary>Mark Siddall, a leech expert at the American Museum of Natural History, wants to change how you think about nature's most notorious blood-suckers.

Podcast produced by David Levin. Original interview by Julia Cort.

NOVA is produced by WGBH in Boston. Funding for NOVA scienceNOW is provided by Pfizer, the National Science Foundation, the Howard Hughes Medical Institute, the Alfred P. Sloan Foundation, the Corporation for Public Broadcasting, and public television viewers.

This material is based upon work supported by the National Science Foundation under Grant No. 0407101. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit http://www.pbs.org/nova/sciencenow</itunes:summary><itunes:keywords>science, NOVA, PBS, leeches, leech, leeching, invertebrate, Mark Siddall, medicine</itunes:keywords><itunes:duration>5:12</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Bridge Doctors</title><description>Structural engineer Michael Todd describes the state of bridge monitoring around the world.

Interview by Rima Chaddha. Edited by David Levin. NOVA is produced by WGBH in Boston.

Major funding for NOVA scienceNOW is provided by the National Science Foundation and the Howard Hughes Medical Institute. Additional funding is provided by the Alfred P. Sloan Foundation.

This material is based upon work supported by the National Science Foundation under Grant No. 0229297. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit our Web site at http://www.pbs.org/nova/sciencenow</description><pubDate>Mon, 14 Jul 2008 11:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/novasciencenow-20080714.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/novasciencenow-20080714.mp3" length="2105924" type="audio/mpeg"/><guid isPermaLink="false">nova-podcast-20080714-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-podcast.jpg"/><itunes:subtitle>How can we detect "sick" bridges before they collapse?</itunes:subtitle><itunes:summary>Structural engineer Michael Todd describes the state of bridge monitoring around the world.

Interview by Rima Chaddha. Edited by David Levin. NOVA is produced by WGBH in Boston.

Major funding for NOVA scienceNOW is provided by the National Science Foundation and the Howard Hughes Medical Institute. Additional funding is provided by the Alfred P. Sloan Foundation.

This material is based upon work supported by the National Science Foundation under Grant No. 0229297. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit our Web site at http://www.pbs.org/nova/sciencenow</itunes:summary><itunes:keywords>science, NOVA, PBS, bridges, collapse, structure, engineering, monitoring, disaster, infrastructure</itunes:keywords><itunes:duration>5:36</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Cosmic Perspective: Telescopes in Space</title><description>NOVA scienceNOW host Neil deGrasse Tyson gives his "Cosmic Perspective" on telescopes in space. 

Podcast produced by David Levin. NOVA is produced by WGBH in Boston.

Major funding for NOVA scienceNOW is provided by Pfizer, the National Science Foundation, and the Howard Hughes Medical Institute. Additional funding is provided by the Alfred P. Sloan Foundation.

This material is based upon work supported by the National Science Foundation under Grant No. 0229297. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit our Web site at http://www.pbs.org/nova/sciencenow</description><pubDate>Tue, 8 Jul 2008 11:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/novasciencenow-20080708.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/novasciencenow-20080708.mp3" length="898457" type="audio/mpeg"/><guid isPermaLink="false">nova-podcast-20080708-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-podcast.jpg"/><itunes:subtitle>Neil deGrasse Tyson gives his "cosmic perspective" on telescopes in space.</itunes:subtitle><itunes:summary>NOVA scienceNOW host Neil deGrasse Tyson gives his "Cosmic Perspective" on telescopes in space. 

Podcast produced by David Levin. NOVA is produced by WGBH in Boston.

Major funding for NOVA scienceNOW is provided by Pfizer, the National Science Foundation, and the Howard Hughes Medical Institute. Additional funding is provided by the Alfred P. Sloan Foundation.

This material is based upon work supported by the National Science Foundation under Grant No. 0229297. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit our Web site at http://www.pbs.org/nova/sciencenow</itunes:summary><itunes:keywords>science, NOVA, PBS, scienceNOW, now, Neil deGrasse Tyson, Hubble, telescope, cosmic perspective</itunes:keywords><itunes:duration>2:22</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Doctor Q.</title><description>Dr. Alfredo Quinones-Hinojosa is a neurosurgeon and cancer researcher at Johns Hopkins School of Medicine in Baltimore, MD. In this podcast, hear the remarkable story of his career, which began as a migrant farm worker in southern California.

Podcast produced by David Levin. Interview by Robe Imbriano. NOVA is produced by WGBH in Boston.

Major funding for NOVA scienceNOW is provided by Pfizer, the National Science Foundation, and the Howard Hughes Medical Institute. Additional funding is provided by the Alfred P. Sloan Foundation.

This material is based upon work supported by the National Science Foundation under Grant No. 0229297. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit our Web site at http://www.pbs.org/nova/sciencenow</description><pubDate>Mon, 7 Jul 2008 09:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/novasciencenow-20080124-2.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/novasciencenow-20080124-2.mp3" length="2045313" type="audio/mpeg"/><guid isPermaLink="false">nova-podcast-20080124-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-podcast.jpg"/><itunes:subtitle>Neurosurgeon Alfredo Quinones-Hinojosa's career didn't start in a hospital -- it began in a farm field.</itunes:subtitle><itunes:summary>Dr. Alfredo Quinones-Hinojosa is a neurosurgeon and cancer researcher at Johns Hopkins School of Medicine in Baltimore, MD. In this podcast, hear the remarkable story of his career, which began as a migrant farm worker in southern California.

Podcast produced by David Levin. Interview by Robe Imbriano. NOVA is produced by WGBH in Boston.

Major funding for NOVA scienceNOW is provided by Pfizer, the National Science Foundation, and the Howard Hughes Medical Institute. Additional funding is provided by the Alfred P. Sloan Foundation.

This material is based upon work supported by the National Science Foundation under Grant No. 0229297. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit our Web site at http://www.pbs.org/nova/sciencenow</itunes:summary><itunes:keywords>science, NOVA, PBS, Alfredo Quinones-Hinojosa, brain cancer, neurosurgery, oncology, Johns Hopkins</itunes:keywords><itunes:duration>5:30</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>To Test or Not to Test?</title><description>Dr. Arthur Caplan, director of the Center for Bioethics at the University of Pennsylvania, discusses the ethical issues raised by commercial genetic testing.

Podcast produced by David Levin. NOVA is produced by WGBH in Boston.

Major funding for NOVA scienceNOW is provided by the Pfizer, the National Science Foundation, and the Howard Hughes Medical Institute. Additional funding is provided by the Alfred P. Sloan Foundation.

This material is based upon work supported by the National Science Foundation under Grant No. 0229297. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit our Web site at http://www.pbs.org/nova/sciencenow</description><pubDate>Tue, 1 Jul 2008 16:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/novasciencenow-20080701.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/novasciencenow-20080701.mp3" length="2685525" type="audio/mpeg"/><guid isPermaLink="false">nova-podcast-20080701-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-podcast.jpg"/><itunes:subtitle>Commercial DNA testing is now available, but is it a good idea? </itunes:subtitle><itunes:summary>Dr. Arthur Caplan, director of the Center for Bioethics at the University of Pennsylvania, discusses the ethical issues raised by commercial genetic testing.

Podcast produced by David Levin. NOVA is produced by WGBH in Boston.

Major funding for NOVA scienceNOW is provided by the Pfizer, the National Science Foundation, and the Howard Hughes Medical Institute. Additional funding is provided by the Alfred P. Sloan Foundation.

This material is based upon work supported by the National Science Foundation under Grant No. 0229297. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit our Web site at http://www.pbs.org/nova/sciencenow</itunes:summary><itunes:keywords>science, NOVA, scienceNOW, NOW, PBS, genetics, DNA, Arthur Caplan, Snip, Chip</itunes:keywords><itunes:duration>7:17</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Rock Star Geneticist</title><description>Geneticist Pardis Sabeti does it all -- she finished a PhD while working her way through Harvard Medical School, wrote a computer algorithm that is now widely used for studying evolution, and even finds time to make music with her band, Thousand Days.

Podcast produced by David Levin. Original interview by Robe Imbriano. Music by Thousand Days. NOVA is produced by WGBH in Boston.

Major funding for NOVA scienceNOW is provided by the National Science Foundation and the Howard Hughes Medical Institute. Additional funding is provided by the Alfred P. Sloan Foundation.

This material is based upon work supported by the National Science Foundation under Grant No. 0229297. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit our Web site at http://www.pbs.org/nova/sciencenow</description><pubDate>Tue, 1 Jul 2008 16:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/novasciencenow-20071219-2.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/novasciencenow-20071219-2.mp3" length="1655272" type="audio/mpeg"/><guid isPermaLink="false">nova-podcast-20071219-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-podcast.jpg"/><itunes:subtitle>When she's not finding new breakthroughs in the world of genetics, Pardis Sabeti finds time to rock out.</itunes:subtitle><itunes:summary>Geneticist Pardis Sabeti does it all -- she finished a PhD while working her way through Harvard Medical School, wrote a computer algorithm that is now widely used for studying evolution, and even finds time to make music with her band, Thousand Days.

Podcast produced by David Levin. Original interview by Robe Imbriano. Music by Thousand Days. NOVA is produced by WGBH in Boston.

Major funding for NOVA scienceNOW is provided by the National Science Foundation and the Howard Hughes Medical Institute. Additional funding is provided by the Alfred P. Sloan Foundation.

This material is based upon work supported by the National Science Foundation under Grant No. 0229297. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit our Web site at http://www.pbs.org/nova/sciencenow</itunes:summary><itunes:keywords>science, NOVA, PBS, Pardis Sabeti, genetics, Brode, Harvard Medical, DNA</itunes:keywords><itunes:duration>4:26</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Finding a Fake Van Gogh</title><description>NOVA scienceNOW's Dean Irwin discusses what he learned about this new computer technology while producing his story on digital art authentication.

Podcast produced by David Levin. Music by Jeff Allen. NOVA is produced by WGBH in Boston.

Major funding for NOVA scienceNOW is provided by the National Science Foundation and the Howard Hughes Medical Institute. Additional funding is provided by the Alfred P. Sloan Foundation.

This material is based upon work supported by the National Science Foundation under Grant No. 0229297. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit our Web site at http://www.pbs.org/nova/sciencenow</description><pubDate>Mon, 30 Jun 2008 14:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/nsnpodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/novasciencenow-20080327-2.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/nsnpodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/novasciencenow-20080327-2.mp3" length="2284527" type="audio/mpeg"/><guid isPermaLink="false">nova-sciencenow-20080327-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/nova_science_now.jpg"/><itunes:subtitle>Can a computer tell the difference between a real Van Gogh painting and a forgery?</itunes:subtitle><itunes:summary>NOVA scienceNOW's Dean Irwin discusses what he learned about this new computer technology while producing his story on digital art authentication.

Podcast produced by David Levin. Music by Jeff Allen. NOVA is produced by WGBH in Boston.

Major funding for NOVA scienceNOW is provided by the National Science Foundation and the Howard Hughes Medical Institute. Additional funding is provided by the Alfred P. Sloan Foundation.

This material is based upon work supported by the National Science Foundation under Grant No. 0229297. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit our Web site at http://www.pbs.org/nova/sciencenow</itunes:summary><itunes:keywords>science, NOVA, scienceNOW, NOW, PBS, Van Gogh, authentication, digital image, art, forgery, Dean Irwin </itunes:keywords><itunes:duration>6:12</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Catching Forged Photos</title><description>In this podcast, Dartmouth College computer scientist Hany Farid discusses his work on mathematical and computational methods for spotting digital forgeries.

Podcast produced by David Levin. Interview by Rima Chaddha. NOVA is produced by WGBH in Boston.

Major funding for NOVA scienceNOW is provided by the National Science Foundation and the Howard Hughes Medical Institute. Additional funding is provided by the Alfred P. Sloan Foundation.

This material is based upon work supported by the National Science Foundation under Grant No. 0229297. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit our Web site at http://pbs.org/nova/sciencenow</description><pubDate>Tue, 24 Jun 2008 13:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/novasciencenow-20080624-2.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/novasciencenow-20080624-2.mp3" length="1954681" type="audio/mpeg"/><guid isPermaLink="false">nova-podcast-20080624-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-podcast.jpg"/><itunes:subtitle>When it comes to digital photos, seeing isn't always believing.</itunes:subtitle><itunes:summary>In this podcast, Dartmouth College computer scientist Hany Farid discusses his work on mathematical and computational methods for spotting digital forgeries.

Podcast produced by David Levin. Interview by Rima Chaddha. NOVA is produced by WGBH in Boston.

Major funding for NOVA scienceNOW is provided by the National Science Foundation and the Howard Hughes Medical Institute. Additional funding is provided by the Alfred P. Sloan Foundation.

This material is based upon work supported by the National Science Foundation under Grant No. 0229297. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit our Web site at http://pbs.org/nova/sciencenow</itunes:summary><itunes:keywords>science, NOVA, scienceNOW, NOW, PBS, computers, digital, forensics, forgeries, Hany, Farid, Dartmouth</itunes:keywords><itunes:duration>5:12</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Finding Lost Memories</title><description>In this podcast, hear from MIT's Eric Lander and Li-Huei Tsai about new experiments that are exploring whether "lost" memories can be regained.

Podcast produced by David Levin. Interview by Betsey Arledge and Peter Standring. Music by www.animalhospital.com. NOVA is produced by WGBH in Boston.

Major funding for NOVA scienceNOW is provided by the National Science Foundation and the Howard Hughes Medical Institute. Additional funding is provided by the Alfred P. Sloan Foundation.

This material is based upon work supported by the National Science Foundation under Grant No. 0229297. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit our Web site at http://pbs.org/nova/sciencenow</description><pubDate>Fri, 20 Jun 2008 14:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/novasciencenow-20080411-03.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/novasciencenow-20080411-03.mp3" length="2412332" type="audio/mpeg"/><guid isPermaLink="false">nova-podcast-20080411-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-podcast.jpg"/><itunes:subtitle>In diseases like Alzheimer's, are forgotten memories gone for good?</itunes:subtitle><itunes:summary>In this podcast, hear from MIT's Eric Lander and Li-Huei Tsai about new experiments that are exploring whether "lost" memories can be regained.

Podcast produced by David Levin. Interview by Betsey Arledge and Peter Standring. Music by www.animalhospital.com. NOVA is produced by WGBH in Boston.

Major funding for NOVA scienceNOW is provided by the National Science Foundation and the Howard Hughes Medical Institute. Additional funding is provided by the Alfred P. Sloan Foundation.

This material is based upon work supported by the National Science Foundation under Grant No. 0229297. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit our Web site at http://pbs.org/nova/sciencenow</itunes:summary><itunes:keywords>science, NOVA, scienceNOW, NOW, PBS, Alzheimer's, memory, Brode, Whitehead, MIT, Tsai, Lander, DNA</itunes:keywords><itunes:duration>5:42</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Cosmic Perspective: Dark Matter and Dark Energy</title><description>NOVA scienceNOW host Neil deGrasse Tyson gives his "Cosmic Perspective" on dark matter and dark energy. Podcast produced by David Levin. Music by www.animalhospitalmusic.com. NOVA is produced by WGBH in Boston.

Major funding for NOVA scienceNOW is provided by the National Science Foundation and the Howard Hughes Medical Institute. Additional funding is provided by the Alfred P. Sloan Foundation.

This material is based upon work supported by the National Science Foundation under Grant No. 0229297. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit our Web site at http://www.pbs.org/nova/sciencenow</description><pubDate>Fri, 13 Jun 2008 14:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/novasciencenow-20080613.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/novasciencenow-20080613.mp3" length="958776" type="audio/mpeg"/><guid isPermaLink="false">nova-podcast-20080613-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-podcast.jpg"/><itunes:subtitle>Neil deGrasse Tyson gives his "cosmic perspective" on dark matter and dark energy.</itunes:subtitle><itunes:summary>NOVA scienceNOW host Neil deGrasse Tyson gives his "Cosmic Perspective" on dark matter and dark energy. Podcast produced by David Levin. Music by www.animalhospitalmusic.com. NOVA is produced by WGBH in Boston.

Major funding for NOVA scienceNOW is provided by the National Science Foundation and the Howard Hughes Medical Institute. Additional funding is provided by the Alfred P. Sloan Foundation.

This material is based upon work supported by the National Science Foundation under Grant No. 0229297. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit our Web site at http://www.pbs.org/nova/sciencenow</itunes:summary><itunes:keywords>science, NOVA, PBS, scienceNOW, now, Neil deGrasse Tyson, dark matter, dark energy, cosmic, perspective</itunes:keywords><itunes:duration>2:17</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Newton's Alchemy</title><description>In this episode, historian of science Bill Newman explains how while Isaac Newton was busy discovering the universal law of gravitation, he was also searching out hidden meanings in the Bible and pursuing alchemical experiments.

Podcast produced by Susan Lewis. Audio editing by David Levin. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

For more on Newton's alchemy, visit us online at http://www.pbs.org/nova/newton</description><pubDate>Fri, 6 Jun 2008 09:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-a-20070424-02.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-a-20070424-02.mp3" length="3198115" type="audio/mpeg"/><guid isPermaLink="false">nova-podcast-20070424-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-podcast.jpg"/><itunes:subtitle>Isaac Newton, the father of modern science, had a lifelong passion for a covert art.</itunes:subtitle><itunes:summary>In this episode, historian of science Bill Newman explains how while Isaac Newton was busy discovering the universal law of gravitation, he was also searching out hidden meanings in the Bible and pursuing alchemical experiments.

Podcast produced by Susan Lewis. Audio editing by David Levin. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

For more on Newton's alchemy, visit us online at http://www.pbs.org/nova/newton</itunes:summary><itunes:keywords>science, NOVA, WGBH, PBS, Newton, alchemy, physics</itunes:keywords><itunes:duration>7:09</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Hands on Hubble</title><description>John Grunsfeld, an astronomer and astronaut, says that fixing the Hubble Space Telescope will be a delicate operation. In this podcast, he explains how astronauts will have to literally let their fingers do the walking when working on satellite -- and why the gloves of their space suits will play a major role in the mission's success.

Podcast produced by David Levin. Interview by Rush DeNooyer. NOVA is produced by WGBH in Boston.

Major funding for NOVA scienceNOW is provided by the National Science Foundation and the Howard Hughes Medical Institute. Additional funding is provided by the Alfred P. Sloan Foundation.

This material is based upon work supported by the National Science Foundation under Grant No. 0229297. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit our Web site at http://www.pbs.org/nova/sciencenow</description><pubDate>Tue, 3 Jun 2008 09:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/novasciencenow-20080603.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/novasciencenow-20080603.mp3" length="1993466" type="audio/mpeg"/><guid isPermaLink="false">nova-podcast-20080603-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-podcast.jpg"/><itunes:subtitle>While fixing the Hubble Space Telescope, astronauts will need to let their fingers do the walking. Literally.</itunes:subtitle><itunes:summary>John Grunsfeld, an astronomer and astronaut, says that fixing the Hubble Space Telescope will be a delicate operation. In this podcast, he explains how astronauts will have to literally let their fingers do the walking when working on satellite -- and why the gloves of their space suits will play a major role in the mission's success.

Podcast produced by David Levin. Interview by Rush DeNooyer. NOVA is produced by WGBH in Boston.

Major funding for NOVA scienceNOW is provided by the National Science Foundation and the Howard Hughes Medical Institute. Additional funding is provided by the Alfred P. Sloan Foundation.

This material is based upon work supported by the National Science Foundation under Grant No. 0229297. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit our Web site at http://www.pbs.org/nova/sciencenow</itunes:summary><itunes:keywords>science, NOVA, PBS, Hubble, NASA, space, telescope, Grunsfeld, STS-125, satellite, astronaut</itunes:keywords><itunes:duration>4:42</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Cosmic Perspective: Bad News and Uncertainty</title><description>NOVA scienceNOW host Neil deGrasse Tyson gives his "Cosmic Perspective" on bad news and uncertainty in science. Podcast produced by David Levin. Music by www.animalhospital.com. NOVA is produced by WGBH in Boston.

Major funding for NOVA scienceNOW is provided by the National Science Foundation and the Howard Hughes Medical Institute. Additional funding is provided by the Alfred P. Sloan Foundation.

This material is based upon work supported by the National Science Foundation under Grant No. 0229297. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit our Web site at http://www.pbs.org/nova/sciencenow</description><pubDate>Fri, 16 May 2008 14:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/novasciencenow-20080516.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/novasciencenow-20080516.mp3" length="887897" type="audio/mpeg"/><guid isPermaLink="false">nova-podcast-20080516-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-podcast.jpg"/><itunes:subtitle>Neil deGrasse Tyson gives his "cosmic perspective" on bad news and uncertainty in science.</itunes:subtitle><itunes:summary>NOVA scienceNOW host Neil deGrasse Tyson gives his "Cosmic Perspective" on bad news and uncertainty in science. Podcast produced by David Levin. Music by www.animalhospital.com. NOVA is produced by WGBH in Boston.

Major funding for NOVA scienceNOW is provided by the National Science Foundation and the Howard Hughes Medical Institute. Additional funding is provided by the Alfred P. Sloan Foundation.

This material is based upon work supported by the National Science Foundation under Grant No. 0229297. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit our Web site at http://www.pbs.org/nova/sciencenow</itunes:summary><itunes:keywords>science, NOVA, PBS, scienceNOW, now, Neil deGrasse Tyson, cosmic, perspective, uncertainty</itunes:keywords><itunes:duration>2:08</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>A Cosmic Enigma</title><description>Dark matter is a cosmic enigma. We can't see it or touch it -- so what is it? We asked MIT physicist Max Tegmark about the nature of this strange substance and why it remains so mysterious.

Produced by David Levin. Interview by Julia Cort. NOVA is produced by WGBH in Boston.

Major funding for NOVA scienceNOW is provided by the National Science Foundation and the Howard Hughes Medical Institute. Additional funding is provided by the Alfred P. Sloan Foundation.

This material is based upon work supported by the National Science Foundation under Grant No. 0229297. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit our Web site at http://www.pbs.org/nova/sciencenow</description><pubDate>Fri, 9 May 2008 15:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/novasciencenow-20070822-02.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/novasciencenow-20070822-02.mp3" length="1615894" type="audio/mpeg"/><guid isPermaLink="false">nova-podcast-20070822-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-podcast.jpg"/><itunes:subtitle>Without dark matter, we wouldn't even be here.</itunes:subtitle><itunes:summary>Dark matter is a cosmic enigma. We can't see it or touch it -- so what is it? We asked MIT physicist Max Tegmark about the nature of this strange substance and why it remains so mysterious.

Produced by David Levin. Interview by Julia Cort. NOVA is produced by WGBH in Boston.

Major funding for NOVA scienceNOW is provided by the National Science Foundation and the Howard Hughes Medical Institute. Additional funding is provided by the Alfred P. Sloan Foundation.

This material is based upon work supported by the National Science Foundation under Grant No. 0229297. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit our Web site at http://www.pbs.org/nova/sciencenow</itunes:summary><itunes:keywords>science, NOVA, PBS, Max Tegmark, physics, astrophysics, astronomy, dark matter, universe, dark</itunes:keywords><itunes:duration>3:19</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Asking Big Questions</title><description>Dr. Judah Folkman, a pioneer in the field of cancer research, passed away in January 2008. In this podcast, he describes how a high school chemistry teacher inspired him to think big, and make unlikely connections.

Podcast produced by David Levin. Music by The New You. Judah Folkman audio courtesy Oberlin College. NOVA is produced by WGBH in Boston.

Major funding for NOVA scienceNOW is provided by the National Science Foundation and the Howard Hughes Medical Institute. Additional funding is provided by the Alfred P. Sloan Foundation.

This material is based upon work supported by the National Science Foundation under Grant No. 0229297. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit our Web site at http://www.pbs.org/nova/sciencenow</description><pubDate>Fri, 2 May 2008 15:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/novasciencenow-20080502.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/novasciencenow-20080502.mp3" length="3758940" type="audio/mpeg"/><guid isPermaLink="false">nova-podcast-20080502-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-podcast.jpg"/><itunes:subtitle>Renowned cancer researcher Judah Folkman learned to think outside the box when he was in high school.</itunes:subtitle><itunes:summary>Dr. Judah Folkman, a pioneer in the field of cancer research, passed away in January 2008. In this podcast, he describes how a high school chemistry teacher inspired him to think big, and make unlikely connections.

Podcast produced by David Levin. Music by The New You. Judah Folkman audio courtesy Oberlin College. NOVA is produced by WGBH in Boston.

Major funding for NOVA scienceNOW is provided by the National Science Foundation and the Howard Hughes Medical Institute. Additional funding is provided by the Alfred P. Sloan Foundation.

This material is based upon work supported by the National Science Foundation under Grant No. 0229297. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit our Web site at http://www.pbs.org/nova/sciencenow</itunes:summary><itunes:keywords>science, NOVA, scienceNOW, NOW, PBS, Judah Folkman, cancer, angiogenesis, tumor, Oberlin, commencement</itunes:keywords><itunes:duration>5:11</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Iceland's Clean Machines</title><description>Jon Bjorn Skulason of Icelandic New Energy discusses the future of hydrogen-powered vehicles in Iceland.

This podcast was produced and edited by David Levin. Interview by Joe Seamans. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers. Funding for the Car of the Future Open Production Web site is provided by The John D. and Catherine T. MacArthur Foundation.

To learn more, visit http://www.pbs.org/nova/car</description><pubDate>Mon, 21 Apr 2008 08:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-a-20061204.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-a-20061204.mp3" length="1313991" type="audio/mpeg"/><guid isPermaLink="false">nova-podcast-20061204-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-podcast.jpg"/><itunes:subtitle>Will Iceland's cars soon be running on hydrogen fuel?</itunes:subtitle><itunes:summary>Jon Bjorn Skulason of Icelandic New Energy discusses the future of hydrogen-powered vehicles in Iceland.

This podcast was produced and edited by David Levin. Interview by Joe Seamans. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers. Funding for the Car of the Future Open Production Web site is provided by The John D. and Catherine T. MacArthur Foundation.

To learn more, visit http://www.pbs.org/nova/car</itunes:summary><itunes:keywords>science, NOVA, PBS, Iceland, Reykjavik, hydrogen, fuel cell, green energy, alternative energy, hydrogen, car, bus</itunes:keywords><itunes:duration>2:50</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Tom and Ray Take Liberties</title><description>As producer Joe Seamans notes in this podcast, the hundreds of e-mails we've received from our audience for "Car of the Future" have been terrific, with great questions for the experts as well as ideas for alternative vehicles. There also have been a few, well, rather imaginative suggestions. Tom and Ray, naturally, couldn't help having a little fun with them. Listen in.

This podcast was produced by Susan Lewis and edited by David Levin. Interview by Joe Seamans. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers. Funding for the Car of the Future Open Production Web site is provided by The John D. and Catherine T. MacArthur Foundation.

To learn more, visit http://www.pbs.org/nova/car</description><pubDate>Fri, 18 Apr 2008 08:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-a-20070307.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-a-20070307.mp3" length="1548035" type="audio/mpeg"/><guid isPermaLink="false">nova-podcast-20070307-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-podcast.jpg"/><itunes:subtitle>If you ask Click and Clack for their candid opinion, you may get it.</itunes:subtitle><itunes:summary>As producer Joe Seamans notes in this podcast, the hundreds of e-mails we've received from our audience for "Car of the Future" have been terrific, with great questions for the experts as well as ideas for alternative vehicles. There also have been a few, well, rather imaginative suggestions. Tom and Ray, naturally, couldn't help having a little fun with them. Listen in.

This podcast was produced by Susan Lewis and edited by David Levin. Interview by Joe Seamans. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers. Funding for the Car of the Future Open Production Web site is provided by The John D. and Catherine T. MacArthur Foundation.

To learn more, visit http://www.pbs.org/nova/car</itunes:summary><itunes:keywords>science, NOVA, PBS, Click and Clack, Car Talk, Tom and Ray, Magliozzi, alternative vehicles, Car of the Future</itunes:keywords><itunes:duration>3:38</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Coach Don</title><description>In this podcast, coach Don Megerle of Tufts University describes what it was like to train NOVA's 13 novice runners in the months leading up to the 2007 Boston Marathon.

Podcast produced and edited by David Levin. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

To learn more, visit http://www.pbs.org/nova/marathon</description><pubDate>Mon, 14 Apr 2008 08:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-a-20071026.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-a-20071026.mp3" length="1340211" type="audio/mpeg"/><guid isPermaLink="false">nova-podcast-20071026-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-podcast.jpg"/><itunes:subtitle>Coach Don Megerle describes what it was like to train NOVA's 13 novice runners for the Boston Marathon.</itunes:subtitle><itunes:summary>In this podcast, coach Don Megerle of Tufts University describes what it was like to train NOVA's 13 novice runners in the months leading up to the 2007 Boston Marathon.

Podcast produced and edited by David Levin. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

To learn more, visit http://www.pbs.org/nova/marathon</itunes:summary><itunes:keywords>science, NOVA, PBS, Boston Marathon, marathon, running, long-distance, Don Megerle</itunes:keywords><itunes:duration>3:13</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>The Art of Running</title><description>In this podcast, elite athlete Uta Pippig describes her philosophy on running and her experiences as an advisor to 13 novice runners NOVA is following as they embark on their first marathon.

Podcast produced and edited by David Levin. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

To learn more, visit http://www.pbs.org/nova/marathon</description><pubDate>Thu, 10 Apr 2008 14:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-a-20070410.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-a-20070410.mp3" length="1789162" type="audio/mpeg"/><guid isPermaLink="false">nova-podcast-20070410-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-podcast.jpg"/><itunes:subtitle>For elite athlete Uta Pippig, training for a marathon is as much an art as it is a sport.</itunes:subtitle><itunes:summary>In this podcast, elite athlete Uta Pippig describes her philosophy on running and her experiences as an advisor to 13 novice runners NOVA is following as they embark on their first marathon.

Podcast produced and edited by David Levin. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

To learn more, visit http://www.pbs.org/nova/marathon</itunes:summary><itunes:keywords>science, NOVA, PBS, Uta Pippig, Boston Marathon, marathon, running, long-distance</itunes:keywords><itunes:duration>4:22</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Speaking Ancient Maya</title><description>Anthropologist Barbara Macleod says that studying the ancient Maya language offers a unique window into the past.

Podcast produced by David Levin. Interview by Rima Chaddha. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

Major funding for "Cracking the Maya Code" is provided by the National Science Foundation and the National Endowment for the Humanities, with additional funding provided by The Solow Art and Architecture Foundation.

This material is based upon work supported by the National Science Foundation under Grant No. 0407101. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation. Any views, findings, conclusions, or recommendations expressed in this video podcast do not necessarily represent those of the National Endowment for the Humanities.

For more on translating ancient Maya, visit us online at http://www.pbs.org/nova/mayacode</description><pubDate>Fri, 4 Apr 2008 14:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-a-20080404.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-a-20080404.mp3" length="1866771" type="audio/mpeg"/><guid isPermaLink="false">nova-podcast-20080404-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-podcast.jpg"/><itunes:subtitle>Barbara MacLeod speaks Maya. As in, ancient Maya.</itunes:subtitle><itunes:summary>Anthropologist Barbara Macleod says that studying the ancient Maya language offers a unique window into the past.

Podcast produced by David Levin. Interview by Rima Chaddha. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

Major funding for "Cracking the Maya Code" is provided by the National Science Foundation and the National Endowment for the Humanities, with additional funding provided by The Solow Art and Architecture Foundation.

This material is based upon work supported by the National Science Foundation under Grant No. 0407101. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation. Any views, findings, conclusions, or recommendations expressed in this video podcast do not necessarily represent those of the National Endowment for the Humanities.

For more on translating ancient Maya, visit us online at http://www.pbs.org/nova/mayacode</itunes:summary><itunes:keywords>science, NOVA, Maya, Mayan, Barbara MacLeod, ancient Maya, archeology, linguistics</itunes:keywords><itunes:duration>4:18</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Power from the Sun</title><description>Vijay Vaitheeswaran, energy and environment correspondent for The Economist magazine, describes how solar power may finally be coming into its own.

Podcast produced and edited by David Levin. Interview by Steven Latham. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers. Major funding for "Saved By the Sun" is provided by The Lemelson Foundation, with additional funding provided by the PBS Foundation's Environmental Programming Fund, established by a generous grant from the Richard and Rhoda Goldman Foundation.

To learn more, visit http://www.pbs.org/nova/solar</description><pubDate>Fri, 14 Mar 2008 09:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-a-20070419.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-a-20070419.mp3" length="1631840" type="audio/mpeg"/><guid isPermaLink="false">nova-podcast-20070419-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-podcast.jpg"/><itunes:subtitle>Has solar energy's time finally arrived?</itunes:subtitle><itunes:summary>Vijay Vaitheeswaran, energy and environment correspondent for The Economist magazine, describes how solar power may finally be coming into its own.

Podcast produced and edited by David Levin. Interview by Steven Latham. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers. Major funding for "Saved By the Sun" is provided by The Lemelson Foundation, with additional funding provided by the PBS Foundation's Environmental Programming Fund, established by a generous grant from the Richard and Rhoda Goldman Foundation.

To learn more, visit http://www.pbs.org/nova/solar</itunes:summary><itunes:keywords>science, NOVA, PBS, Vijay Vaitheeswaran, The Economist, solar, solar power, renewable energy, grid electricity, electricity</itunes:keywords><itunes:duration>3:46</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>A Solar Obsession</title><description>In this podcast, green-energy expert Amory Lovins discusses the importance of energy conservation and the potential for solar power.

Podcast produced and edited by David Levin. Interview by Steven Latham. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers. Major funding for "Saved By the Sun" is provided by The Lemelson Foundation, with additional funding provided by the PBS Foundation's Environmental Programming Fund, established by a generous grant from the Richard and Rhoda Goldman Foundation.

To learn more, visit http://www.pbs.org/nova/solar</description><pubDate>Wed, 12 Mar 2008 15:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-a-20070418.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-a-20070418.mp3" length="1758849" type="audio/mpeg"/><guid isPermaLink="false">nova-podcast-20070418-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-podcast.jpg"/><itunes:subtitle>Green-energy guru Amory Lovins discusses the future of solar power.</itunes:subtitle><itunes:summary>In this podcast, green-energy expert Amory Lovins discusses the importance of energy conservation and the potential for solar power.

Podcast produced and edited by David Levin. Interview by Steven Latham. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers. Major funding for "Saved By the Sun" is provided by The Lemelson Foundation, with additional funding provided by the PBS Foundation's Environmental Programming Fund, established by a generous grant from the Richard and Rhoda Goldman Foundation.

To learn more, visit http://www.pbs.org/nova/solar</itunes:summary><itunes:keywords>science, NOVA, PBS, Amory Lovins, solar, solar power, energy, renewable energy, renewables, green-energy, Rocky Mountain Institute</itunes:keywords><itunes:duration>4:15</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Global Meltdown</title><description>Glaciologist Lonnie Thompson of Ohio State University discusses why we should worry about glaciers that are melting worldwide.

Podcast produced by David Levin. Music by Michael Potvin. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by David H. Koch, the Howard Hughes Medical Institute, and public television viewers.

For more scientist profiles, visit our Web site at http://www.pbs.org/nova/sciencenow</description><pubDate>Wed, 13 Feb 2008 17:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/novasciencenow-20080213.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/novasciencenow-20080213.mp3" length="1397331" type="audio/mpeg"/><guid isPermaLink="false">nova-podcast-20070213-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-podcast.jpg"/><itunes:subtitle>Glaciologist Lonnie Thompson says that glaciers around the world are disappearing -- fast.</itunes:subtitle><itunes:summary>Glaciologist Lonnie Thompson of Ohio State University discusses why we should worry about glaciers that are melting worldwide.

Podcast produced by David Levin. Music by Michael Potvin. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by David H. Koch, the Howard Hughes Medical Institute, and public television viewers.

For more scientist profiles, visit our Web site at http://www.pbs.org/nova/sciencenow</itunes:summary><itunes:keywords>science, NOVA, PBS, Lonnie Thompson, glaciers, global warming, climate change</itunes:keywords><itunes:duration>3:23</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Ape Signs: PDF podcast</title><description>In this PDF podcast, explore lexigram symbols used in Sue Savage-Rumbaugh's primate language studies to see how an ape can communicate on our terms.

PDF podcast produced by David Levin. Lexigram images courtesy Sue Savage-Rumbaugh/The Great Ape Trust of Iowa. NOVA is produced by WGBH in Bo