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    <title>NOVA Vodcast | PBS</title>
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    <description>NOVA brings you short video stories from the world of science, including excerpts from our television programs, video dispatches from producers and correspondents in the field, animations, and much more. For more science programming online and on air, visit NOVA's Web site at http://www.pbs.org/nova and watch NOVA broadcasts Tuesday nights on PBS.  Please note that this feed requires QuickTime 7.  Free upgrade available at apple.com/itunes.</description>
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    <pubDate>Wed, 31 Dec 2008 10:00:00 -0400</pubDate>
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<item><title>Mammoth Mystery</title><description>A pair of mammoth skeletons is found locked together by their tusks. What happened?
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.</description><pubDate>Wed, 31 Dec 2008 10:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/vodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-v-20081231.m4v</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/vodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-v-20081231.m4v" length="46097191" type="video/x-m4v"/><guid isPermaLink="false">nova-vodcast-20081231-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-vodcast.jpg"/><itunes:subtitle>A mammoth match to the death</itunes:subtitle><itunes:summary>A pair of mammoth skeletons is found locked together by their tusks. What happened?
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.</itunes:summary><itunes:keywords>science NOVA PBS scienceNOW fossils mammoth death mystery paleontology prehistoric </itunes:keywords><itunes:duration>12:05</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Phoenix Mars Lander</title><description>NASA's latest robot has already found frozen water and is looking for more signs that the Red Planet could support life. 
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.</description><pubDate>Wed, 24 Dec 2008 10:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/vodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-v-20081224.m4v</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/vodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-v-20081224.m4v" length="45782066" type="video/x-m4v"/><guid isPermaLink="false">nova-vodcast-20081224-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-vodcast.jpg"/><itunes:subtitle>Exploring the Red Planet </itunes:subtitle><itunes:summary>NASA's latest robot has already found frozen water and is looking for more signs that the Red Planet could support life. 
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.</itunes:summary><itunes:keywords>science NOVA PBS scienceNOW space Mars Phoenix Earth lander rovers Red Planet</itunes:keywords><itunes:duration>12:00</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>The Weather on Mars</title><description>Is the weather on Mars anything like the weather on Earth? NOVA asked Vicky Hipkin from the Canadian Space Agency, who was part of the recent Phoenix Mission to explore conditions on the Red Planet.
 
Watch NOVA every Tuesday night on PBS. Or join us online at pbs.org/nova. 

Video podcast produced and edited by Melissa Salpietra. Still images and footage courtesy NASA, JPL, Caltech, University of Arizona, Texas A and M University, Cornell University and istockphoto.com. Detailed credits available at pbs.org/nova/mars/credits.html.

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/mars</description><pubDate>Tue, 23 Dec 2008 14:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/vodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-v-20081223.m4v</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/vodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-v-20081223.m4v" length="12036423" type="video/x-m4v"/><guid isPermaLink="false">nova-vodcast-20081223-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-vodcast.jpg"/><itunes:subtitle>What's the weather like on Mars?</itunes:subtitle><itunes:summary>Is the weather on Mars anything like the weather on Earth? NOVA asked Vicky Hipkin from the Canadian Space Agency, who was part of the recent Phoenix Mission to explore conditions on the Red Planet.
 
Watch NOVA every Tuesday night on PBS. Or join us online at pbs.org/nova. 

Video podcast produced and edited by Melissa Salpietra. Still images and footage courtesy NASA, JPL, Caltech, University of Arizona, Texas A and M University, Cornell University and istockphoto.com. Detailed credits available at pbs.org/nova/mars/credits.html.

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/mars</itunes:summary><itunes:keywords>science NOVA PBS Mars space weather Phoenix mission NASA stars Earth   </itunes:keywords><itunes:duration>5:13</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>The Strangest Form of Matter</title><description>MIT physicist Daniel Kleppner explains how matter changes as it is reduced in temperature and nears -273 degrees F, or Absolute Zero. 

Watch NOVA every Tuesday night on PBS. Or join us online at pbs.org/nova. 

“Absolute Zero” is a production of Windfall Films Ltd. and Meridian Productions for TPT/Twin Cities Public Television and WGBH/NOVA in association with the BBC. 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/zero</description><pubDate>Thu, 18 Dec 2008 16:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/vodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-v-20081218b.m4v</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/vodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-v-20081218b.m4v" length="7956294" type="video/x-m4v"/><guid isPermaLink="false">nova-vodcast-20081218-002</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-vodcast.jpg"/><itunes:subtitle>At the limits of cold, things turn mysterious.</itunes:subtitle><itunes:summary>MIT physicist Daniel Kleppner explains how matter changes as it is reduced in temperature and nears -273 degrees F, or Absolute Zero. 

Watch NOVA every Tuesday night on PBS. Or join us online at pbs.org/nova. 

“Absolute Zero” is a production of Windfall Films Ltd. and Meridian Productions for TPT/Twin Cities Public Television and WGBH/NOVA in association with the BBC. 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/zero</itunes:summary><itunes:keywords>science NOVA PBS absolute zero cold Bose-Enistein phases of matter physics learn </itunes:keywords><itunes:duration>3:01</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Brain Trauma</title><description>Even so-called "mild" head injuries turn out to be anything but. 

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.</description><pubDate>Thu, 18 Dec 2008 16:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/vodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-v-20081218a.m4v</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/vodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-v-20081218a.m4v" length="44724447" type="video/x-m4v"/><guid isPermaLink="false">nova-vodcast-20081218-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-vodcast.jpg"/><itunes:subtitle>Even so-called "mild" head injuries turn out to be anything but. </itunes:subtitle><itunes:summary>Even so-called "mild" head injuries turn out to be anything but. 

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.</itunes:summary><itunes:keywords>science NOVA PBS scienceNOW brain injury trauma concussion </itunes:keywords><itunes:duration>11:46</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>War and Peace in Jamestown</title><description>At the present-day excavation site at Jamestown, archeologists are uncovering evidence of intriguing, harmonious relationships between the native Powhatan people and the English colonists. Other evidence, hidden in tree rings, hints at why hostilities between the two cultures mounted. 

Watch NOVA every Tuesday night on PBS. Or join us online at pbs.org/nova. 

Original footage produced by Lone Wolf Documentary Group. 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>Fri, 12 Dec 2008 12:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/vodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-v-20081212b.m4v</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/vodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-v-20081212b.m4v" length="18574148" type="video/x-m4v"/><guid isPermaLink="false">nova-vodcast-20081212-002</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-vodcast.jpg"/><itunes:subtitle>A new look at the history of Jamestown</itunes:subtitle><itunes:summary>At the present-day excavation site at Jamestown, archeologists are uncovering evidence of intriguing, harmonious relationships between the native Powhatan people and the English colonists. Other evidence, hidden in tree rings, hints at why hostilities between the two cultures mounted. 

Watch NOVA every Tuesday night on PBS. Or join us online at pbs.org/nova. 

Original footage produced by Lone Wolf Documentary Group. 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 Jamestown John Smith history archeology Native American</itunes:keywords><itunes:duration>7:03</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Stem Cells Breakthrough</title><description>Three separate teams overcome a biomedical hurdle-creating stem cells without the use of human embryos.
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.</description><pubDate>Fri, 12 Dec 2008 12:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/vodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-v-20081212a.m4v</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/vodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-v-20081212a.m4v" length="53901566" type="video/x-m4v"/><guid isPermaLink="false">nova-vodcast-20081212-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-vodcast.jpg"/><itunes:subtitle>Creating stem cells without human embryos</itunes:subtitle><itunes:summary>Three separate teams overcome a biomedical hurdle-creating stem cells without the use of human embryos.
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.</itunes:summary><itunes:keywords>science NOVA PBS scienceNOW stem cells genes embryos biology cloning research</itunes:keywords><itunes:duration>14:09</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>The Search for ET</title><description>Astronomers have their radio telescopes tuned to receive signals from alien worlds. But is anybody out there?
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.</description><pubDate>Fri, 5 Dec 2008 12:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/vodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-v-20081205.m4v</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/vodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-v-20081205.m4v" length="44824281" type="video/x-m4v"/><guid isPermaLink="false">nova-vodcast-20081205-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-vodcast.jpg"/><itunes:subtitle>Is anybody out there?</itunes:subtitle><itunes:summary>Astronomers have their radio telescopes tuned to receive signals from alien worlds. But is anybody out there?
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.</itunes:summary><itunes:keywords>science NOVA PBS scienceNOW aliens ET extraterrestrial search outer space stars galaxy </itunes:keywords><itunes:duration>11:46</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Leeches</title><description>A century after falling out of favor among doctors, medicinal leeches are back in hospitals, sucking away on patients' wounds.
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.</description><pubDate>Wed, 26 Nov 2008 12:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/vodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-v-20081126.m4v</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/vodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-v-20081126.m4v" length="43965335" type="video/x-m4v"/><guid isPermaLink="false">nova-vodcast-20081126-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-vodcast.jpg"/><itunes:subtitle>Bloodsuckers make a comeback</itunes:subtitle><itunes:summary>A century after falling out of favor among doctors, medicinal leeches are back in hospitals, sucking away on patients' wounds.
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.</itunes:summary><itunes:keywords>science NOVA PBS scienceNOW leeches blood sucking medicine learn </itunes:keywords><itunes:duration>11:29</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Studying Elephant Seals</title><description>In this excerpt from NOVA's “Ocean Animal Rescue,” join biologist Daniel Costa and his team in the field as they study the surprising behavior of northern elephant seals. 

Watch NOVA every Tuesday night on PBS. Or join us online at pbs.org/nova. 

“Ocean Animal Rescue” is a NOVA Production produced by Hamilton Land &amp; Cattle, Inc. 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/ocean911</description><pubDate>Fri, 21 Nov 2008 16:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/vodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-v-20081121b.m4v</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/vodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-v-20081121b.m4v" length="13994541" type="video/x-m4v"/><guid isPermaLink="false">nova-vodcast-20081121-002</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-vodcast.jpg"/><itunes:subtitle>Northern elephant seals are far from lazy.</itunes:subtitle><itunes:summary>In this excerpt from NOVA's “Ocean Animal Rescue,” join biologist Daniel Costa and his team in the field as they study the surprising behavior of northern elephant seals. 

Watch NOVA every Tuesday night on PBS. Or join us online at pbs.org/nova. 

“Ocean Animal Rescue” is a NOVA Production produced by Hamilton Land &amp; Cattle, Inc. 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/ocean911</itunes:summary><itunes:keywords>science NOVA PBS seals marine biology migration sea lion mammal tagging research</itunes:keywords><itunes:duration>4:28</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Smart Bridges</title><description>Can we engineer bridges that tell us what's wrong with them before it's too late?

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.</description><pubDate>Fri, 21 Nov 2008 16:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/vodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-v-20081121a.m4v</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/vodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-v-20081121a.m4v" length="39309696" type="video/x-m4v"/><guid isPermaLink="false">nova-vodcast-20081121-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-vodcast.jpg"/><itunes:subtitle>Bridges that can predict problems</itunes:subtitle><itunes:summary>Can we engineer bridges that tell us what's wrong with them before it's too late?

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.</itunes:summary><itunes:keywords>science NOVA PBS scienceNOW bridges smart technology collapse </itunes:keywords><itunes:duration>10:21</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Bird Brains</title><description>Clues to the origins of human language are turning up in the brains of birds.
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.</description><pubDate>Fri, 14 Nov 2008 13:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/vodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-v-20081114b.m4v</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/vodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-v-20081114b.m4v" length="50427694" type="video/x-m4v"/><guid isPermaLink="false">nova-vodcast-20081114-002</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-vodcast.jpg"/><itunes:subtitle>"Bird brain" no longer an insult</itunes:subtitle><itunes:summary>Clues to the origins of human language are turning up in the brains of birds.
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.</itunes:summary><itunes:keywords>science NOVA PBS scienceNOW birds language brain neurology singing stuttering</itunes:keywords><itunes:duration>13:14</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Animating the Bible</title><description>Get a behind-the-scenes look at how filmmakers and visual-effects artists created a 3-D animation of the Hebrew Bible for NOVA's two-hour special, "The Bible's Buried Secrets." 

Watch NOVA every Tuesday night on PBS. Or join us online at pbs.org/nova. 

Original footage produced for NOVA by Gary Glassman; video podcast produced by Melissa Salpietra and Susan K. Lewis and edited by Melissa Salpietra. "The Bible's Buried Secrets" is a Providence Pictures Production for NOVA in association with National Geographic Channel. Materials provided by Handcranked Productions (www.handcrankedproductions.com).

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. Additional funding for this program is provided by the Skirball Foundation and by The Solow Art and Architecture Foundation.

To learn more, visit http://www.pbs.org/nova/bible</description><pubDate>Fri, 14 Nov 2008 13:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/vodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-v-20081114a.m4v</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/vodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-v-20081114a.m4v" length="13741424" type="video/x-m4v"/><guid isPermaLink="false">nova-vodcast-20081114-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-vodcast.jpg"/><itunes:subtitle>Special effects that bring the Bible to life</itunes:subtitle><itunes:summary>Get a behind-the-scenes look at how filmmakers and visual-effects artists created a 3-D animation of the Hebrew Bible for NOVA's two-hour special, "The Bible's Buried Secrets." 

Watch NOVA every Tuesday night on PBS. Or join us online at pbs.org/nova. 

Original footage produced for NOVA by Gary Glassman; video podcast produced by Melissa Salpietra and Susan K. Lewis and edited by Melissa Salpietra. "The Bible's Buried Secrets" is a Providence Pictures Production for NOVA in association with National Geographic Channel. Materials provided by Handcranked Productions (www.handcrankedproductions.com).

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. Additional funding for this program is provided by the Skirball Foundation and by The Solow Art and Architecture Foundation.

To learn more, visit http://www.pbs.org/nova/bible</itunes:summary><itunes:keywords>science NOVA PBS Bible archeology behind the scenes production Bible 3D effects stop frame animation</itunes:keywords><itunes:duration>4:20</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Portraying the Writers</title><description>Find out how scenes for NOVA's upcoming two-hour special, "The Bible's Buried Secrets," were filmed. 

Watch NOVA every Tuesday night on PBS. Or join us online at pbs.org/nova. 

Original footage produced for NOVA by Gary Glassman; video podcast produced by Melissa Salpietra and Susan K. Lewis and edited by Melissa Salpietra. "The Bible's Buried Secrets" is a Providence Pictures Production for NOVA in association with the National Geographic Channel.

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. Additional funding for this program is provided by the Skirball Foundation and by The Solow Art and Architecture Foundation.

To learn more, visit http://www.pbs.org/nova/bible</description><pubDate>Mon, 10 Nov 2008 13:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/vodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-v-20081110.m4v</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/vodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-v-20081110.m4v" length="12319828" type="video/x-m4v"/><guid isPermaLink="false">nova-vodcast-20081110-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-vodcast.jpg"/><itunes:subtitle>A behind-the-scenes look at the writers of the Bible</itunes:subtitle><itunes:summary>Find out how scenes for NOVA's upcoming two-hour special, "The Bible's Buried Secrets," were filmed. 

Watch NOVA every Tuesday night on PBS. Or join us online at pbs.org/nova. 

Original footage produced for NOVA by Gary Glassman; video podcast produced by Melissa Salpietra and Susan K. Lewis and edited by Melissa Salpietra. "The Bible's Buried Secrets" is a Providence Pictures Production for NOVA in association with the National Geographic Channel.

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. Additional funding for this program is provided by the Skirball Foundation and by The Solow Art and Architecture Foundation.

To learn more, visit http://www.pbs.org/nova/bible</itunes:summary><itunes:keywords>science NOVA PBS Bible archeology behind the scenes production writers of Bible Moses who wrote the bible</itunes:keywords><itunes:duration>4:36</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Did God Have a Wife?</title><description>In this excerpt from NOVA's two-hour special, "The Bible's Buried Secrets," archeologist William Dever describes evidence that the ancient Israelite God, YHWH, had a female counterpart. 

Watch NOVA every Tuesday night on PBS. Or join us online at pbs.org/nova. 

"The Bible's Buried Secrets" is a Providence Pictures Production for NOVA in association with National Geographic Channel.

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. Additional funding for this program is provided by the Skirball Foundation and by The Solow Art and Architecture Foundation.

To learn more, visit http://www.pbs.org/nova/bible</description><pubDate>Fri, 7 Nov 2008 13:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/vodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-v-20081107c.m4v</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/vodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-v-20081107c.m4v" length="10007326" type="video/x-m4v"/><guid isPermaLink="false">nova-vodcast-20081107-003</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-vodcast.jpg"/><itunes:subtitle>Archeology suggests that the ancient Israelites' God was linked to a Mother Goddess.</itunes:subtitle><itunes:summary>In this excerpt from NOVA's two-hour special, "The Bible's Buried Secrets," archeologist William Dever describes evidence that the ancient Israelite God, YHWH, had a female counterpart. 

Watch NOVA every Tuesday night on PBS. Or join us online at pbs.org/nova. 

"The Bible's Buried Secrets" is a Providence Pictures Production for NOVA in association with National Geographic Channel.

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. Additional funding for this program is provided by the Skirball Foundation and by The Solow Art and Architecture Foundation.

To learn more, visit http://www.pbs.org/nova/bible</itunes:summary><itunes:keywords>science NOVA PBS Bible archeology bible wife monotheism polytheism God religion Israel Hebrew</itunes:keywords><itunes:duration>3:44</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Recreating the Temple</title><description>Gary Glassman, producer and director of NOVA's two-hour special, "The Bible's Buried Secrets," and associate producer Tristan Barako take you behind the scenes on a tour of Solomon's Temple. 

Watch NOVA every Tuesday night on PBS. Or join us online at pbs.org/nova. 

Original footage produced for NOVA by Gary Glassman; video podcast produced by Melissa Salpietra and Susan K. Lewis and edited by Melissa Salpietra. "The Bible's Buried Secrets" is a Providence Pictures Production for NOVA in association with National Geographic Channel.

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. Additional funding for this program is provided by the Skirball Foundation and by The Solow Art and Architecture Foundation.

To learn more, visit http://www.pbs.org/nova/bible</description><pubDate>Fri, 7 Nov 2008 13:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/vodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-v-20081107b.m4v</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/vodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-v-20081107b.m4v" length="11138697" type="video/x-m4v"/><guid isPermaLink="false">nova-vodcast-20081107-002</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-vodcast.jpg"/><itunes:subtitle>NOVA's filmmakers offer a surprising look inside Solomon's Temple.</itunes:subtitle><itunes:summary>Gary Glassman, producer and director of NOVA's two-hour special, "The Bible's Buried Secrets," and associate producer Tristan Barako take you behind the scenes on a tour of Solomon's Temple. 

Watch NOVA every Tuesday night on PBS. Or join us online at pbs.org/nova. 

Original footage produced for NOVA by Gary Glassman; video podcast produced by Melissa Salpietra and Susan K. Lewis and edited by Melissa Salpietra. "The Bible's Buried Secrets" is a Providence Pictures Production for NOVA in association with National Geographic Channel.

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. Additional funding for this program is provided by the Skirball Foundation and by The Solow Art and Architecture Foundation.

To learn more, visit http://www.pbs.org/nova/bible</itunes:summary><itunes:keywords>science NOVA PBS Bible archeology behind the scenes production temple of Solomon Israel Hebrew</itunes:keywords><itunes:duration>4:19</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Killer Microbe</title><description>A relatively benign bug becomes a highly lethal pathogen, known to U.S. soldiers as Iraqibacter.
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.</description><pubDate>Fri, 7 Nov 2008 13:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/vodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-v-20081107a.m4v</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/vodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-v-20081107a.m4v" length="34191174" type="video/x-m4v"/><guid isPermaLink="false">nova-vodcast-20081107-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-vodcast.jpg"/><itunes:subtitle>A lethal microbe threatens soldiers</itunes:subtitle><itunes:summary>A relatively benign bug becomes a highly lethal pathogen, known to U.S. soldiers as Iraqibacter.
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.</itunes:summary><itunes:keywords>science NOVA PBS scienceNOW bacteria killer disease Iraq soldiers antibiotics microbe</itunes:keywords><itunes:duration>8:57</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Profile: Alfredo Quinones-Hinojosa</title><description>He jumped the fence from Mexico to work as a farmhand and ended up a leading brain surgeon.
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.</description><pubDate>Fri, 31 Oct 2008 13:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/vodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-v-20081031.m4v</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/vodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-v-20081031.m4v" length="41585430" type="video/x-m4v"/><guid isPermaLink="false">nova-vodcast-20081031-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-vodcast.jpg"/><itunes:subtitle>An inspiring story of rags to research</itunes:subtitle><itunes:summary>He jumped the fence from Mexico to work as a farmhand and ended up a leading brain surgeon.
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.</itunes:summary><itunes:keywords>science NOVA PBS scienceNOW brain surgeon Mexico immigrant cancer research Dr. Q</itunes:keywords><itunes:duration>10:55</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Nature's Hidden Geometry</title><description>In this excerpt from NOVA's "Hunting the Hidden Dimension," get a glimpse of the birth of a new branch of mathematics that explains geometric patterns found throughout nature. 

Watch NOVA every Tuesday night on PBS. Or join us online at pbs.org/nova. 

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/fractals</description><pubDate>Fri, 24 Oct 2008 13:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/vodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-v-20081024b.m4v</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/vodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-v-20081024b.m4v" length="9463709" type="video/x-m4v"/><guid isPermaLink="false">nova-vodcast-20081024-002</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-vodcast.jpg"/><itunes:subtitle>Why didn't mathematicians recognize until recently the patterns all around us?</itunes:subtitle><itunes:summary>In this excerpt from NOVA's "Hunting the Hidden Dimension," get a glimpse of the birth of a new branch of mathematics that explains geometric patterns found throughout nature. 

Watch NOVA every Tuesday night on PBS. Or join us online at pbs.org/nova. 

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/fractals</itunes:summary><itunes:keywords>science NOVA PBS math fractals nature geometry art</itunes:keywords><itunes:duration>3:41</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>First Primates</title><description>Our most distant primate ancestors, which took the stage shortly after the dinosaurs left it, were tree-dwellers the size of mice.
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.</description><pubDate>Fri, 24 Oct 2008 13:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/vodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-v-20081024a.m4v</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/vodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-v-20081024a.m4v" length="51620421" type="video/x-m4v"/><guid isPermaLink="false">nova-vodcast-20081024-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-vodcast.jpg"/><itunes:subtitle>Meet the trailblazer of primates.</itunes:subtitle><itunes:summary>Our most distant primate ancestors, which took the stage shortly after the dinosaurs left it, were tree-dwellers the size of mice.
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.</itunes:summary><itunes:keywords>science NOVA PBS scienceNOW Neil de Grasse Tyson primate evolution monkey ape human ancestor</itunes:keywords><itunes:duration>13:31</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Saving Hubble</title><description>Two teams of spacewalkers take on the risky mission of reviving the ailing Space Telescope.

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.</description><pubDate>Fri, 17 Oct 2008 13:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/vodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-v-20081017.m4v</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/vodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-v-20081017.m4v" length="51221147" type="video/x-m4v"/><guid isPermaLink="false">nova-vodcast-20081017-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-vodcast.jpg"/><itunes:subtitle>The Hubble telescope gets a risky overhaul</itunes:subtitle><itunes:summary>Two teams of spacewalkers take on the risky mission of reviving the ailing Space Telescope.

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.</itunes:summary><itunes:keywords>science NOVA PBS scienceNOW space Hubble Neil de Grasse Tyson telescope shuttle mission</itunes:keywords><itunes:duration>13:28</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>No Simple Mission</title><description>In this excerpt from NOVA's "Space Shuttle Disaster," get a glimpse of the factors that led to one of the worst accidents in the history of America's space program.


Watch NOVA every Tuesday night on PBS. Or join us online at pbs.org/nova. 

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/columbia</description><pubDate>Fri, 10 Oct 2008 14:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/vodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-v-20081010b.m4v</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/vodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-v-20081010b.m4v" length="14884152" type="video/x-m4v"/><guid isPermaLink="false">nova-vodcast-20081010-002</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-vodcast.jpg"/><itunes:subtitle>What lead up to the Space Shuttle Columbia disaster?</itunes:subtitle><itunes:summary>In this excerpt from NOVA's "Space Shuttle Disaster," get a glimpse of the factors that led to one of the worst accidents in the history of America's space program.


Watch NOVA every Tuesday night on PBS. Or join us online at pbs.org/nova. 

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/columbia</itunes:summary><itunes:keywords>science NOVA PBS space shuttle disaster Columbia crash NASA</itunes:keywords><itunes:duration>4:00</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Capturing Carbon</title><description>An eighth-grader's science fair project prompts her scientist father to develop a new way to pull excess carbon dioxide out of the atmosphere.

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.</description><pubDate>Fri, 10 Oct 2008 12:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/vodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-v-20081010a.m4v</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/vodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-v-20081010a.m4v" length="47861489" type="video/x-m4v"/><guid isPermaLink="false">nova-vodcast-20081010-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-vodcast.jpg"/><itunes:subtitle>New technology "makes like a tree" to pull carbon from the atmosphere.</itunes:subtitle><itunes:summary>An eighth-grader's science fair project prompts her scientist father to develop a new way to pull excess carbon dioxide out of the atmosphere.

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.</itunes:summary><itunes:keywords>science NOVA PBS scienceNOW carbon sequestration Neil de Grasse Tyson global warming</itunes:keywords><itunes:duration>12:33</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Space Storms</title><description>Behind the dazzling display of the aurora borealis are space storms that could turn the lights off here on Earth.

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.</description><pubDate>Fri, 3 Oct 2008 15:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/vodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-v-20081003.m4v</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/vodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-v-20081003.m4v" length="39277651" type="video/x-m4v"/><guid isPermaLink="false">nova-vodcast-20081003-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-vodcast.jpg"/><itunes:subtitle>What is the weather in space?</itunes:subtitle><itunes:summary>Behind the dazzling display of the aurora borealis are space storms that could turn the lights off here on Earth.

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.</itunes:summary><itunes:keywords>science NOVA PBS scienceNOW space weather Neil de Grasse Tyson astrophysics storms</itunes:keywords><itunes:duration>10:19</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Profile: Pardis Sabeti</title><description>By night she's a rocker. By day, she's a Harvard geneticist tracking the evolution of the human genome.
Watch past episodes of the program, try out interactives, and more on our Web site: www.pbs.org/nova/sciencenow

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.</description><pubDate>Fri, 26 Sep 2008 12:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/vodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-v-20080926.m4v</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/vodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-v-20080926.m4v" length="31946923" type="video/x-m4v"/><guid isPermaLink="false">nova-vodcast-20080926-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-vodcast.jpg"/><itunes:subtitle>Genetics meets rock 'n' roll </itunes:subtitle><itunes:summary>By night she's a rocker. By day, she's a Harvard geneticist tracking the evolution of the human genome.
Watch past episodes of the program, try out interactives, and more on our Web site: www.pbs.org/nova/sciencenow

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.</itunes:summary><itunes:keywords>science NOVA PBS scienceNOW genetics genes music rock star Pardis Sabeti scientist profile </itunes:keywords><itunes:duration>8:26</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Dark Matter</title><description>Learn more about dark matter, and how science is searching for it. 
Watch past episodes of the program, try out interactives, and more on our Web site: www.pbs.org/nova/sciencenow

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.</description><pubDate>Fri, 19 Sep 2008 15:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/vodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-v-20080919.m4v</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/vodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-v-20080919.m4v" length="53531799" type="video/x-m4v"/><guid isPermaLink="false">nova-vodcast-20080919-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-vodcast.jpg"/><itunes:subtitle>Turns out most of the universe is held together by a mysterious, invisible substance.</itunes:subtitle><itunes:summary>Learn more about dark matter, and how science is searching for it. 
Watch past episodes of the program, try out interactives, and more on our Web site: www.pbs.org/nova/sciencenow

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.</itunes:summary><itunes:keywords>science NOVA PBS scienceNOW dark matter CERN atoms energy space mystery</itunes:keywords><itunes:duration>14:37</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Personal DNA Testing</title><description>Genetic testing to assess risk factors for a handful of serious illnesses is now commercially available. But is it a good idea?
Watch past episodes of the program, try out interactives, and more on our Web site: www.pbs.org/nova/sciencenow

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.</description><pubDate>Fri, 12 Sep 2008 14:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/vodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-v-20080912.m4v</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/vodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-v-20080912.m4v" length="47600537" type="video/x-m4v"/><guid isPermaLink="false">nova-vodcast-20080912-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-vodcast.jpg"/><itunes:subtitle>What does your DNA say about your future?</itunes:subtitle><itunes:summary>Genetic testing to assess risk factors for a handful of serious illnesses is now commercially available. But is it a good idea?
Watch past episodes of the program, try out interactives, and more on our Web site: www.pbs.org/nova/sciencenow

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.</itunes:summary><itunes:keywords>science NOVA PBS scienceNOW DNA testing genetic diseases risk genes</itunes:keywords><itunes:duration>12:27</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Of Mice and Memory</title><description>Mice placed in enriched environments can recover lost memories, giving hope to those who study Alzheimer's.
Watch past episodes of the program, try out interactives, and more on our Web site: www.pbs.org/nova/sciencenow

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.</description><pubDate>Fri, 5 Sep 2008 12:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/vodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-v-20080905.m4v</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/vodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-v-20080905.m4v" length="48566035" type="video/x-m4v"/><guid isPermaLink="false">nova-vodcast-20080905-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-vodcast.jpg"/><itunes:subtitle>Research shows mice can recover lost memories.</itunes:subtitle><itunes:summary>Mice placed in enriched environments can recover lost memories, giving hope to those who study Alzheimer's.
Watch past episodes of the program, try out interactives, and more on our Web site: www.pbs.org/nova/sciencenow

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.</itunes:summary><itunes:keywords>science NOVA PBS now alzheimer's research memory scienceNOW </itunes:keywords><itunes:duration>12:43</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Art Authentication</title><description>See how clever computer algorithms can distinguish a master fake from a masterpiece.
Watch past episodes of the program, try out interactives, and more on our Web site: www.pbs.org/nova/sciencenow

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.</description><pubDate>Fri, 29 Aug 2008 14:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/vodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-v-20080829.m4v</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/vodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-v-20080829.m4v" length="49989743" type="video/x-m4v"/><guid isPermaLink="false">nova-vodcast-20080829-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-vodcast.jpg"/><itunes:subtitle>Can you spot a van Gogh forgery?</itunes:subtitle><itunes:summary>See how clever computer algorithms can distinguish a master fake from a masterpiece.
Watch past episodes of the program, try out interactives, and more on our Web site: www.pbs.org/nova/sciencenow

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.</itunes:summary><itunes:keywords>science NOVA PBS scienceNOW van Gogh forgery fake</itunes:keywords><itunes:duration>13:07</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Profile: Hany Farid</title><description>This self-proclaimed "accidental scientist" is a digital detective inventing new ways to tell if photos have been faked. 

Watch past episodes of the program, try out interactives, and more on our Web site: www.pbs.org/nova/sciencenow

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.</description><pubDate>Fri, 22 Aug 2008 11:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/vodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-v-20080822.m4v</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/vodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-v-20080822.m4v" length="52137983" type="video/x-m4v"/><guid isPermaLink="false">nova-vodcast-20080822-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-vodcast.jpg"/><itunes:subtitle>Meet a digital detective</itunes:subtitle><itunes:summary>This self-proclaimed "accidental scientist" is a digital detective inventing new ways to tell if photos have been faked. 

Watch past episodes of the program, try out interactives, and more on our Web site: www.pbs.org/nova/sciencenow

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.</itunes:summary><itunes:keywords>science NOVA PBS scienceNOW fake photos Hany Farid digital art</itunes:keywords><itunes:duration>13:40</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Hunting Meteorites</title><description>Space scientist Rob Matson shows Neil deGrasse Tyson his favorite meteorite hunting ground. 

This video podcast was produced by Julia Cort and Susan K. Lewis and edited by Gayle A&#241;onuevo. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by ExxonMobil, David H. Koch, Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

Visit the NOVA scienceNOW Web site at www.pbs.org/nova/sciencenow</description><pubDate>Fri, 15 Aug 2008 12:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/vodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-v-20080815.m4v</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/vodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-v-20080815.m4v" length="10918649" type="video/x-m4v"/><guid isPermaLink="false">nova-vodcast-20080815-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-vodcast.jpg"/><itunes:subtitle>Meteorite hunter Rob Matson invites Neil deGrasse Tyson to the Mohave Desert.</itunes:subtitle><itunes:summary>Space scientist Rob Matson shows Neil deGrasse Tyson his favorite meteorite hunting ground. 

This video podcast was produced by Julia Cort and Susan K. Lewis and edited by Gayle A&#241;onuevo. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by ExxonMobil, David H. Koch, Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

Visit the NOVA scienceNOW Web site at www.pbs.org/nova/sciencenow</itunes:summary><itunes:keywords>science, NOVA, sciencenow, now, PBS, deGrasse Tyson, space, asteroid, meteorite, Mojave Desert, collision</itunes:keywords><itunes:duration>4:08</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Meet the Cuttlefish</title><description>Roger Hanlon of the Marine Biological Laboratory at Woods Hole introduces us to one of his favorite cephalopods, the cuttlefish. This remarkable creature, a cousin of squid and octopus, can change the color, pattern, and even texture of its skin in the blink of an eye.

Video podcast produced by Melissa Salpietra and Susan K. Lewis. Edited by Melissa Salpietra. Interview and original footage produced by Julia Cort. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by ExxonMobil, David H. Koch, Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.
 
To learn more, visit http://www.pbs.org/nova/camo</description><pubDate>Fri, 8 Aug 2008 11:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/vodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-v-20080808.m4v</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/vodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-v-20080808.m4v" length="7000894" type="video/x-m4v"/><guid isPermaLink="false">nova-vodcast-20080808-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-vodcast.jpg"/><itunes:subtitle>Think chameleons are impressive? Meet the true kings of camouflage.</itunes:subtitle><itunes:summary>Roger Hanlon of the Marine Biological Laboratory at Woods Hole introduces us to one of his favorite cephalopods, the cuttlefish. This remarkable creature, a cousin of squid and octopus, can change the color, pattern, and even texture of its skin in the blink of an eye.

Video podcast produced by Melissa Salpietra and Susan K. Lewis. Edited by Melissa Salpietra. Interview and original footage produced by Julia Cort. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by ExxonMobil, David H. Koch, Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.
 
To learn more, visit http://www.pbs.org/nova/camo</itunes:summary><itunes:keywords>science, NOVA, PBS, cuttlefish, marine biology, Marine Biological Laboratory, Woods Hole, Roger Hanlon, cephalopods</itunes:keywords><itunes:duration>2:26</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Elevator to Space</title><description>Neil deGrasse Tyson visits a company with a prototype for a space elevator

Don't miss NOVA scienceNOW, airing Wednesday, August 6 at 9pm on PBS.

Watch past episodes of the program, try out interactives, and more on our Web site: www.pbs.org/nova/sciencenow

Original footage and interviews for NOVA scienceNOW produced by Joe McMaster. 

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.</description><pubDate>Fri, 1 Aug 2008 12:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/vodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-v-20080801-2.m4v</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/vodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-v-20080801-2.m4v" length="7839086" type="video/x-m4v"/><guid isPermaLink="false">nova-vodcast-20080801-002</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-vodcast.jpg"/><itunes:subtitle>An elevator to space?</itunes:subtitle><itunes:summary>Neil deGrasse Tyson visits a company with a prototype for a space elevator

Don't miss NOVA scienceNOW, airing Wednesday, August 6 at 9pm on PBS.

Watch past episodes of the program, try out interactives, and more on our Web site: www.pbs.org/nova/sciencenow

Original footage and interviews for NOVA scienceNOW produced by Joe McMaster. 

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.</itunes:summary><itunes:keywords>science NOVA PBS Neil deGrasse Tyson elevator space scienceNOW Liftport earth atmosphere</itunes:keywords><itunes:duration>3:00</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>NOVA Open Content: Car of the Future</title><description>Open content is material that anyone can use, free of charge, with only a few restrictions. The content, in this case, is raw footage shot for NOVA's "Car of the Future" documentary. We at NOVA hope it will fuel your creativity and foster a sharing of ideas. It's our latest way of highlighting the "Public" in PBS.

www.pbs.org/nova/car/open

Watch NOVA every Tuesday night on PBS. Or join us online at pbs.org/nova. 

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/car/open

To learn more, visit http://www.pbs.org/nova/car</description><pubDate>Tue, 29 Jul 2008 16:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/vodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-v-20080418-4.m4v</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/vodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-v-20080418-4.m4v" length="5293071" type="video/x-m4v"/><guid isPermaLink="false">nova-vodcast-20080418-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-vodcast.jpg"/><itunes:subtitle>Download video clips from NOVA, and create what you want.</itunes:subtitle><itunes:summary>Open content is material that anyone can use, free of charge, with only a few restrictions. The content, in this case, is raw footage shot for NOVA's "Car of the Future" documentary. We at NOVA hope it will fuel your creativity and foster a sharing of ideas. It's our latest way of highlighting the "Public" in PBS.

www.pbs.org/nova/car/open

Watch NOVA every Tuesday night on PBS. Or join us online at pbs.org/nova. 

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/car/open

To learn more, visit http://www.pbs.org/nova/car</itunes:summary><itunes:keywords>science, NOVA, PBS, car, future, video, free, editing, open content, bio-diesel, electric car</itunes:keywords><itunes:duration>1:58</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>A Plug-In Solution</title><description>The 'Car Talk' brothers, Tom and Ray Magliozzi, visit the UC Davis lab of Andy Frank, inventor of the plug-in hybrid, to learn more about one of the possible ways we can transition our transportation system of off oil.

Watch NOVA every Tuesday night on PBS. Or join us online at http://www.pbs.org/nova

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>Fri, 25 Jul 2008 14:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/vodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-v-20080418-3.m4v</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/vodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-v-20080418-3.m4v" length="12706829" type="video/x-m4v"/><guid isPermaLink="false">nova-vodcast-20080418-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-vodcast.jpg"/><itunes:subtitle>Could the plug-in hybrid be the car of the future?</itunes:subtitle><itunes:summary>The 'Car Talk' brothers, Tom and Ray Magliozzi, visit the UC Davis lab of Andy Frank, inventor of the plug-in hybrid, to learn more about one of the possible ways we can transition our transportation system of off oil.

Watch NOVA every Tuesday night on PBS. Or join us online at http://www.pbs.org/nova

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>science, NOVA, PBS, car, future, hybrid, bio-diesel, electric car, plug-in hybrid, Andy Frank</itunes:keywords><itunes:duration>4:43</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Kingdom of the Leeches</title><description>Neil deGrasse Tyson embarks on a quest with leech expert Mark Siddall in the swamps of Connecticut to seek out the infamous decorated leech.

Don't miss the new episode of NOVA scienceNOW, airing Wednesday, July 23 at 9pm on PBS.

Watch past episodes of the program, try out interactives, and more on our Web site: http://www.pbs.org/nova/sciencenow

Video podcast produced  and edited by Melissa Salpietra. Original footage and interviews for NOVA scienceNOW produced 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.</description><pubDate>Mon, 21 Jul 2008 09:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/vodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-v-20080721.m4v</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/vodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-v-20080721.m4v" length="11746749" type="video/x-m4v"/><guid isPermaLink="false">nova-vodcast-20080721-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-vodcast.jpg"/><itunes:subtitle>Meet the terrifying, bloodsucking, decorated leech!</itunes:subtitle><itunes:summary>Neil deGrasse Tyson embarks on a quest with leech expert Mark Siddall in the swamps of Connecticut to seek out the infamous decorated leech.

Don't miss the new episode of NOVA scienceNOW, airing Wednesday, July 23 at 9pm on PBS.

Watch past episodes of the program, try out interactives, and more on our Web site: http://www.pbs.org/nova/sciencenow

Video podcast produced  and edited by Melissa Salpietra. Original footage and interviews for NOVA scienceNOW produced 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.</itunes:summary><itunes:keywords>science, NOVA, PBS, leeches, Mark Siddall, Neil deGrasse Tyson, blood, scary, horror, species, nature, animals, parasites</itunes:keywords><itunes:duration>4:14</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>"Hello, this is Earth."</title><description>Jill Tartar, director of the SETI Institute, has thought long and hard about what we could, should, and would say to an alien civilization.

Don't miss the new season of NOVA scienceNOW, airing every Wednesday this summer.

Watch past episodes of the program, try out interactives, and more on our Web site: http://www.pbs.org/nova/sciencenow

Video podcast edited and narrated by Melissa Salpietra. Original footage and interviews produced by Josh Rosen for NOVA. Stock footage: Morgan Lane Photography/istockphoto.com, David Baumber/istockphoto.com, Paul Rogers/istockphoto.com, NASA

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.</description><pubDate>Fri, 18 Jul 2008 09:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/vodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-v-20080718-2.m4v</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/vodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-v-20080718-2.m4v" length="13648604" type="video/x-m4v"/><guid isPermaLink="false">nova-vodcast-20080718-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-vodcast.jpg"/><itunes:subtitle>If Earth received a message from outer space what, if anything, would we say back?</itunes:subtitle><itunes:summary>Jill Tartar, director of the SETI Institute, has thought long and hard about what we could, should, and would say to an alien civilization.

Don't miss the new season of NOVA scienceNOW, airing every Wednesday this summer.

Watch past episodes of the program, try out interactives, and more on our Web site: http://www.pbs.org/nova/sciencenow

Video podcast edited and narrated by Melissa Salpietra. Original footage and interviews produced by Josh Rosen for NOVA. Stock footage: Morgan Lane Photography/istockphoto.com, David Baumber/istockphoto.com, Paul Rogers/istockphoto.com, NASA

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.</itunes:summary><itunes:keywords>science, NOVA, PBS, aliens, E.T., space, SETI, search, extraterrestrial, UFO, Jill Tartar, outer space, messages</itunes:keywords><itunes:duration>5:07</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Life of an Astronaut</title><description>Hubble veteran, Mike Massimino, tells it like it is-the good and bad of being an astronaut.

Don't miss the new season of NOVA scienceNOW, airing every Wednesday this summer.

Watch past episodes of the program, try out interactives, and more on our Web site: http://www.pbs.org/nova/sciencenow

Video podcast produced and narrated by Melissa Salpietra. Original footage produced by Rushmore DeNooyer for NOVA scienceNOW. Archival footage and animation courtesy NASA.

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.</description><pubDate>Thu, 3 Jul 2008 10:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/vodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-v-20080703-2.m4v</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/vodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-v-20080703-2.m4v" length="12748253" type="video/x-m4v"/><guid isPermaLink="false">nova-vodcast-20080703-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-vodcast.jpg"/><itunes:subtitle>What is it really like being an astronaut?</itunes:subtitle><itunes:summary>Hubble veteran, Mike Massimino, tells it like it is-the good and bad of being an astronaut.

Don't miss the new season of NOVA scienceNOW, airing every Wednesday this summer.

Watch past episodes of the program, try out interactives, and more on our Web site: http://www.pbs.org/nova/sciencenow

Video podcast produced and narrated by Melissa Salpietra. Original footage produced by Rushmore DeNooyer for NOVA scienceNOW. Archival footage and animation courtesy NASA.

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.</itunes:summary><itunes:keywords>science, NOVA, PBS, Hubble, astronaut, space, shuttle, Massimino, mission, NASA, stars, galaxies</itunes:keywords><itunes:duration>4:44</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Personal Genome Project</title><description>The Personal Genome Project, spearheaded by George Church, the Director of Harvard's Center for Computational Genetics, aims to recruit 100,000 people to offer up their DNA and personal life histories, all in an effort to further knowledge of human genetics and why we get-or don't get-diseases.

Don't miss the new episode of NOVA scienceNOW, airing Wednesday, July 2 at 9pm on PBS.

Watch past episodes of the program, try out interactives, and more on our Web site: http://www.pbs.org/nova/sciencenow

Video podcast produced by Julia Cort. Edited and narrated by Melissa Salpietra. Original footage and interviews for NOVA scienceNOW produced by Julia Cort. Stock footage provided by istockphoto.com.

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.</description><pubDate>Fri, 27 Jun 2008 13:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/vodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-v-20080627-2.m4v</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/vodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-v-20080627-2.m4v" length="9251327" type="video/x-m4v"/><guid isPermaLink="false">nova-vodcast-20080627-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-vodcast.jpg"/><itunes:subtitle>Would you have your DNA sequenced for the sake of science?</itunes:subtitle><itunes:summary>The Personal Genome Project, spearheaded by George Church, the Director of Harvard's Center for Computational Genetics, aims to recruit 100,000 people to offer up their DNA and personal life histories, all in an effort to further knowledge of human genetics and why we get-or don't get-diseases.

Don't miss the new episode of NOVA scienceNOW, airing Wednesday, July 2 at 9pm on PBS.

Watch past episodes of the program, try out interactives, and more on our Web site: http://www.pbs.org/nova/sciencenow

Video podcast produced by Julia Cort. Edited and narrated by Melissa Salpietra. Original footage and interviews for NOVA scienceNOW produced by Julia Cort. Stock footage provided by istockphoto.com.

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.</itunes:summary><itunes:keywords>science, NOVA, PBS, genetic, genome, testing, personal, project, diseases, cures, cancer, diabetes, medicine</itunes:keywords><itunes:duration>3:33</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Journey Through the Center of the Earth</title><description>Ever wonder what would happen if you dug a whole from one side of the Earth, through the center, out the other side, and then jumped in? 

Watch all new episodes of NOVA scienceNOW every Wednesday night this summer at 9pm on PBS, starting Wednesday June 25. 

Watch past episodes of the program, try out interactives, and more on our Web site: http://www.pbs.org/nova/sciencenow

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.</description><pubDate>Tue, 24 Jun 2008 11:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/vodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-v-20080624-03.m4v</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/vodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-v-20080624-03.m4v" length="5855418" type="video/x-m4v"/><guid isPermaLink="false">nova-vodcast-20080624-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-vodcast.jpg"/><itunes:subtitle>Jump through Earth, and see what happens.</itunes:subtitle><itunes:summary>Ever wonder what would happen if you dug a whole from one side of the Earth, through the center, out the other side, and then jumped in? 

Watch all new episodes of NOVA scienceNOW every Wednesday night this summer at 9pm on PBS, starting Wednesday June 25. 

Watch past episodes of the program, try out interactives, and more on our Web site: http://www.pbs.org/nova/sciencenow

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.</itunes:summary><itunes:keywords>science, NOVA, PBS, earth, Neil de Grasse Tyson, globe, center, scienceNOW, gravity</itunes:keywords><itunes:duration>2:10</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>The Dark Matter Mystery</title><description>We can't see dark matter, and some skeptics doubt its existence, but many scientists think it makes up 20-some percent of our universe. Astronomer Doug Clowe explains how the Bullet Cluster, a group of galaxies billions of light years away, may shed some light on this mysterious stuff.

Don't miss the new season of NOVA scienceNOW, airing every Wednesday at 9pm starting June 25 on PBS.

Watch past episodes of the program, try out interactives, and more on our Web site: http://www.pbs.org/nova/sciencenow

Video podcast produced by Melissa Salpietra and Susan K. Lewis. Edited and narrated by Melissa Salpietra. Original footage and interviews produced 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.</description><pubDate>Mon, 23 Jun 2008 08:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/vodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-v-20080623-3.m4v</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/vodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-v-20080623-3.m4v" length="12487382" type="video/x-m4v"/><guid isPermaLink="false">nova-vodcast-20071221-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-vodcast.jpg"/><itunes:subtitle>A cosmic collision provides evidence that dark matter really exists.</itunes:subtitle><itunes:summary>We can't see dark matter, and some skeptics doubt its existence, but many scientists think it makes up 20-some percent of our universe. Astronomer Doug Clowe explains how the Bullet Cluster, a group of galaxies billions of light years away, may shed some light on this mysterious stuff.

Don't miss the new season of NOVA scienceNOW, airing every Wednesday at 9pm starting June 25 on PBS.

Watch past episodes of the program, try out interactives, and more on our Web site: http://www.pbs.org/nova/sciencenow

Video podcast produced by Melissa Salpietra and Susan K. Lewis. Edited and narrated by Melissa Salpietra. Original footage and interviews produced 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.</itunes:summary><itunes:keywords>science, NOVA, PBS, dark, matter, Doug, Clowe, Bullet, Cluster, galaxy, astronomy, astrophysics, cosmic</itunes:keywords><itunes:duration>4:44</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Wisdom of the Crowds</title><description>Ask enough people to estimate something, and the average of all their guesses will get you surprisingly close to the right answer.

Don't miss the new season of NOVA scienceNOW, airing every Wednesday at 9pm starting June 25 on PBS.

Watch past episodes of the program, try out interactives, and more on our Web site: http://www.pbs.org/nova/sciencenow

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.</description><pubDate>Fri, 20 Jun 2008 09:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/vodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-v-20080620-2.m4v</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/vodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-v-20080620-2.m4v" length="12741877" type="video/x-m4v"/><guid isPermaLink="false">nova-vodcast-20080620001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-vodcast.jpg"/><itunes:subtitle>A sing-a-long about guesstimating</itunes:subtitle><itunes:summary>Ask enough people to estimate something, and the average of all their guesses will get you surprisingly close to the right answer.

Don't miss the new season of NOVA scienceNOW, airing every Wednesday at 9pm starting June 25 on PBS.

Watch past episodes of the program, try out interactives, and more on our Web site: http://www.pbs.org/nova/sciencenow

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.</itunes:summary><itunes:keywords>science, NOVA, PBS, now, math, wisdom, crowds, election, song, sing-a-long, music, wikipedia</itunes:keywords><itunes:duration>4:54</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Amazing Atoms</title><description>Throw away your textbooks. Here is the latest, atomically correct, version of our old friend, the atom. 

Don't miss the new season of NOVA scienceNOW, airing every Wednesday starting June 25 on PBS.

Watch past episodes of the program, try out interactives, and more on our Web site: http://www.pbs.org/nova/sciencenow

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.</description><pubDate>Fri, 13 Jun 2008 09:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/vodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-v-20080613-2.m4v</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/vodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-v-20080613-2.m4v" length="4579168" type="video/x-m4v"/><guid isPermaLink="false">nova-vodcast-20080613001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-vodcast.jpg"/><itunes:subtitle>The atom, as you have never seen it before</itunes:subtitle><itunes:summary>Throw away your textbooks. Here is the latest, atomically correct, version of our old friend, the atom. 

Don't miss the new season of NOVA scienceNOW, airing every Wednesday starting June 25 on PBS.

Watch past episodes of the program, try out interactives, and more on our Web site: http://www.pbs.org/nova/sciencenow

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.</itunes:summary><itunes:keywords>science, NOVA, PBS, now, atom, amazing, orbit, scale, fun, real, molecule, proton, electron</itunes:keywords><itunes:duration>1:41</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Twin Prime Conjecture</title><description>New insight into a 2,300-year-old mystery surrounding prime numbers inspires a song.

Don't miss the new season of NOVA scienceNOW, airing every Wednesday starting June 25 on PBS.

Watch past episodes of the program, try out interactives, and more on our Web site: 

http://www.pbs.org/nova/sciencenow

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.</description><pubDate>Fri, 30 May 2008 09:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/vodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-v-20080530-2.m4v</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/vodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-v-20080530-2.m4v" length="6323478" type="video/x-m4v"/><guid isPermaLink="false">nova-vodcast-20080530001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-vodcast.jpg"/><itunes:subtitle>Sing-a-long about prime numbers</itunes:subtitle><itunes:summary>New insight into a 2,300-year-old mystery surrounding prime numbers inspires a song.

Don't miss the new season of NOVA scienceNOW, airing every Wednesday starting June 25 on PBS.

Watch past episodes of the program, try out interactives, and more on our Web site: 

http://www.pbs.org/nova/sciencenow

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.</itunes:summary><itunes:keywords>science, NOVA, PBS, now, math, twin, prime numbers, song, sing-a-long, Rob Morsberger, music</itunes:keywords><itunes:duration>2:31</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>The Ant Whisperer</title><description>World-renowned naturalist Edward O. Wilson explains amazing discoveries in ant communication and behavior.

Watch NOVA every Tuesday night on PBS. Or join us online at http://www.pbs.org/nova

"Lord of the Ants" was produced for NOVA/WGBH by Windfall Films and Neil Patterson Productions

Major funding for "Lord of the Ants" is provided by the Richard and Rhoda Goldman Fund. Additional funding is provided by the Invitrogen Educational Foundation, Gordon and Betty Moore, the Morehead Planetarium and Science Center at UNC, the Teach Green Foundation, and the Nurture Nature Foundation.

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/eowilson</description><pubDate>Fri, 16 May 2008 14:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/vodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-v-20080516-2.m4v</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/vodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-v-20080516-2.m4v" length="9109902" type="video/x-m4v"/><guid isPermaLink="false">nova-vodcast-20080516001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-vodcast.jpg"/><itunes:subtitle>E.O. Wilson explains ant language.</itunes:subtitle><itunes:summary>World-renowned naturalist Edward O. Wilson explains amazing discoveries in ant communication and behavior.

Watch NOVA every Tuesday night on PBS. Or join us online at http://www.pbs.org/nova

"Lord of the Ants" was produced for NOVA/WGBH by Windfall Films and Neil Patterson Productions

Major funding for "Lord of the Ants" is provided by the Richard and Rhoda Goldman Fund. Additional funding is provided by the Invitrogen Educational Foundation, Gordon and Betty Moore, the Morehead Planetarium and Science Center at UNC, the Teach Green Foundation, and the Nurture Nature Foundation.

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/eowilson</itunes:summary><itunes:keywords>science, NOVA, PBS, ant, E.O. Wilson, entomology, behavior, colony, bugs, insects, biology, nature, television</itunes:keywords><itunes:duration>3:34</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>A Second Chance</title><description>The Addis Ababa Fistula Hospital in Ethiopia has treated over 30,000 women who suffer from a birth injury called a fistula. These women, most of whom are rejected by society, get a second chance at life.

Watch NOVA every Tuesday night on PBS. Or join us online at http://www.pbs.org/nova

Funding for "A Walk to Beautiful" is provided by the Fistula Foundation, the Marianthi Foundation, The Fledgling Film Fund, and others.

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/beautiful</description><pubDate>Mon, 12 May 2008 11:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/vodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-v-20080512-2.m4v</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/vodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-v-20080512-2.m4v" length="11390882" type="video/x-m4v"/><guid isPermaLink="false">nova-vodcast-20080512001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-vodcast.jpg"/><itunes:subtitle>One hospital offers hope to thousands of Ethiopian women who suffer devastating birth injuries.</itunes:subtitle><itunes:summary>The Addis Ababa Fistula Hospital in Ethiopia has treated over 30,000 women who suffer from a birth injury called a fistula. These women, most of whom are rejected by society, get a second chance at life.

Watch NOVA every Tuesday night on PBS. Or join us online at http://www.pbs.org/nova

Funding for "A Walk to Beautiful" is provided by the Fistula Foundation, the Marianthi Foundation, The Fledgling Film Fund, and others.

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/beautiful</itunes:summary><itunes:keywords>science, NOVA, PBS, birth, Ethiopia, defects, fistula, women, hospital, injury, health, medicine</itunes:keywords><itunes:duration>4:17</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Roadside Garden</title><description>Botanist Yin Kaipu and modern-day plant hunter Dan Hinkley stumble upon a roadside garden and find a treasure trove of famous flowers in their native birthplace. To see NOVA's story about the origin of flowering plants, watch "First Flower" on PBS on May 6 at 8 p.m. 

Video podcast narrated by Melissa Salpietra. "First Flower" excerpt was produced by Doug Hamilton. 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/flower</description><pubDate>Fri, 2 May 2008 10:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/vodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-v-20070412.m4v</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/vodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-v-20070412.m4v" length="11732486" type="video/x-m4v"/><guid isPermaLink="false">nova-vodcast-20070412001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-vodcast.jpg"/><itunes:subtitle>Join modern-day plant hunters as they stumble upon an incredible flower garden in an unlikely place.</itunes:subtitle><itunes:summary>Botanist Yin Kaipu and modern-day plant hunter Dan Hinkley stumble upon a roadside garden and find a treasure trove of famous flowers in their native birthplace. To see NOVA's story about the origin of flowering plants, watch "First Flower" on PBS on May 6 at 8 p.m. 

Video podcast narrated by Melissa Salpietra. "First Flower" excerpt was produced by Doug Hamilton. 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/flower</itunes:summary><itunes:keywords>science, NOVA, WGBH, PBS</itunes:keywords><itunes:duration>4:18</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>NOVA Open Content: Car of the Future</title><description>Open content is material that anyone can use, free of charge, with only a few restrictions. The content, in this case, is raw footage shot for NOVA's "Car of the Future" documentary. We at NOVA hope it will fuel your creativity and foster a sharing of ideas. It's our latest way of highlighting the "Public" in PBS.

http://www.pbs.org/nova/car/open

Watch NOVA every Tuesday night on PBS. Or join us online at 

http://www.pbs.org/nova

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/car/open</description><pubDate>Wed, 16 Apr 2008 08:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/vodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-v-20080416.m4v</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/vodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-v-20080416.m4v" length="4997050" type="video/x-m4v"/><guid isPermaLink="false">nova-vodcast-20080416-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-vodcast.jpg"/><itunes:subtitle>Download video clips from NOVA, and create what you want.</itunes:subtitle><itunes:summary>Open content is material that anyone can use, free of charge, with only a few restrictions. The content, in this case, is raw footage shot for NOVA's "Car of the Future" documentary. We at NOVA hope it will fuel your creativity and foster a sharing of ideas. It's our latest way of highlighting the "Public" in PBS.

http://www.pbs.org/nova/car/open

Watch NOVA every Tuesday night on PBS. Or join us online at 

http://www.pbs.org/nova

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/car/open</itunes:summary><itunes:keywords>science, NOVA, PBS, car, future, video, free, editing, open content, bio-diesel, electric car</itunes:keywords><itunes:duration>1:52</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Marathon Stories: Sama</title><description>Sama was grieving the death of her mother when she heard about NOVA's marathon challenge. Training was tough, but Sama was determined to run the marathon for the memory of her mother.

Don't miss the broadcast of NOVA's "Marathon Challenge", airing April 15 on PBS.

To learn more, visit http://www.pbs.org/nova/run

Video podcast produced by Melissa Salpietra and Susan K. Lewis. Edited by Melissa Salpietra. Narrated by Rafi Nemes. Original footage produced by Daniel McCabe and Hillary Wells. 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.

Watch NOVA every Tuesday night on PBS. Or join us online at http://www.pbs.org/nova</description><pubDate>Mon, 14 Apr 2008 09:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/vodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-v-20071024.m4v</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/vodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-v-20071024.m4v" length="9841591" type="video/x-m4v"/><guid isPermaLink="false">nova-vodcast-20071024-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-vodcast.jpg"/><itunes:subtitle>For Sama ElBannan, the marathon is a way to work through grief and pay tribute to her late mother.</itunes:subtitle><itunes:summary>Sama was grieving the death of her mother when she heard about NOVA's marathon challenge. Training was tough, but Sama was determined to run the marathon for the memory of her mother.

Don't miss the broadcast of NOVA's "Marathon Challenge", airing April 15 on PBS.

To learn more, visit http://www.pbs.org/nova/run

Video podcast produced by Melissa Salpietra and Susan K. Lewis. Edited by Melissa Salpietra. Narrated by Rafi Nemes. Original footage produced by Daniel McCabe and Hillary Wells. 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.

Watch NOVA every Tuesday night on PBS. Or join us online at http://www.pbs.org/nova</itunes:summary><itunes:keywords>science, NOVA, PBS, Marathon, running, run, Boston Marathon, miles, Betsey Powers-Sinclair, Jonathan Bush, Steve DeOssie, Sama ElBannan, diaries, sports medicine, sports physiology, health, exercise, training, conditioning, sports</itunes:keywords><itunes:duration>3:40</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Marathon Stories: Jonathan</title><description>Jonathan Bush is a busy man.  When he was encouraged by a friend to join the NOVA Marathon team, he had his doubts. To Jonathan, the marathon became a symbol of pushing yourself to the extreme.  

Don't miss the broadcast of NOVA's "Marathon Challenge", airing April 15 on PBS.

To learn more, visit http://www.pbs.org/nova/run

Video podcast produced by Melissa Salpietra and Susan K. Lewis. Edited by Melissa Salpietra. Narrated by Rafi Nemes. Original footage produced by Daniel McCabe and Hillary Wells. 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.

Watch NOVA every Tuesday night on PBS. Or join us online at http://www.pbs.org/nova</description><pubDate>Fri, 11 Apr 2008 09:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/vodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-v-20071017.m4v</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/vodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-v-20071017.m4v" length="8469691" type="video/x-m4v"/><guid isPermaLink="false">nova-vodcast-20071017-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-vodcast.jpg"/><itunes:subtitle>In the midst of a divorce, Jonathan Bush turns to marathon training to focus on something positive.</itunes:subtitle><itunes:summary>Jonathan Bush is a busy man.  When he was encouraged by a friend to join the NOVA Marathon team, he had his doubts. To Jonathan, the marathon became a symbol of pushing yourself to the extreme.  

Don't miss the broadcast of NOVA's "Marathon Challenge", airing April 15 on PBS.

To learn more, visit http://www.pbs.org/nova/run

Video podcast produced by Melissa Salpietra and Susan K. Lewis. Edited by Melissa Salpietra. Narrated by Rafi Nemes. Original footage produced by Daniel McCabe and Hillary Wells. 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.

Watch NOVA every Tuesday night on PBS. Or join us online at http://www.pbs.org/nova</itunes:summary><itunes:keywords>science, NOVA, PBS, Marathon, running, run, Boston Marathon, miles, Betsey Powers-Sinclair, Jonathan Bush, Steve DeOssie, Sama ElBannan, diaries, sports medicine, sports physiology, health, exercise, training, conditioning, sports</itunes:keywords><itunes:duration>3:15</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Marathon Stories: Betsey</title><description>Betsey is not a runner. But after major surgery to remove a tumor from her spine, followed by severe weight gain, she decides to use the Boston Marathon as a way to get through a darker period in her life.

Don't miss the broadcast of NOVA's "Marathon Challenge", airing April 15 on PBS.

To learn more, visit http://www.pbs.org/nova/run

Video podcast produced by Melissa Salpietra and Susan K. Lewis. Edited by Melissa Salpietra. Narrated by Rafi Nemes. Original footage produced by Daniel McCabe and Hillary Wells. 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.

Watch NOVA every Tuesday night on PBS. Or join us online at http://www.pbs.org/nova</description><pubDate>Thu, 10 Apr 2008 09:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/vodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-v-20071010.m4v</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/vodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-v-20071010.m4v" length="10985255" type="video/x-m4v"/><guid isPermaLink="false">nova-vodcast-20071010-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-vodcast.jpg"/><itunes:subtitle>After major surgery and gaining 70 pounds, one woman sees the marathon as a chance to change her life.</itunes:subtitle><itunes:summary>Betsey is not a runner. But after major surgery to remove a tumor from her spine, followed by severe weight gain, she decides to use the Boston Marathon as a way to get through a darker period in her life.

Don't miss the broadcast of NOVA's "Marathon Challenge", airing April 15 on PBS.

To learn more, visit http://www.pbs.org/nova/run

Video podcast produced by Melissa Salpietra and Susan K. Lewis. Edited by Melissa Salpietra. Narrated by Rafi Nemes. Original footage produced by Daniel McCabe and Hillary Wells. 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.

Watch NOVA every Tuesday night on PBS. Or join us online at http://www.pbs.org/nova</itunes:summary><itunes:keywords>science, NOVA, PBS, Marathon, running, run, Boston Marathon, miles, Betsey Powers-Sinclair, Jonathan Bush, Steve DeOssie, Sama ElBannan, diaries, sports medicine, sports physiology, health, exercise, training, conditioning, sports</itunes:keywords><itunes:duration>4:01</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Marathon Stories: Steve</title><description>Steve DeOssie is built and trained for football. He soon finds out that the marathon is a whole different ball game.

Don't miss the broadcast of NOVA's "Marathon Challenge", airing April 15 on PBS.

To learn more, visit http://www.pbs.org/nova/run

Video podcast produced by Melissa Salpietra and Susan K. Lewis. Edited by Melissa Salpietra. Narrated by Rafi Nemes. Original footage produced by Daniel McCabe and Hillary Wells. 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.

Watch NOVA every Tuesday night on PBS. Or join us online at http://www.pbs.org/nova</description><pubDate>Wed, 9 Apr 2008 15:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/vodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-v-20071003.m4v</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/vodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-v-20071003.m4v" length="8382280" type="video/x-m4v"/><guid isPermaLink="false">nova-vodcast-20071003-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-vodcast.jpg"/><itunes:subtitle>Why would former NFL linebacker Steve DeOssie take on the Boston Marathon? Because it's such an outrageous idea.</itunes:subtitle><itunes:summary>Steve DeOssie is built and trained for football. He soon finds out that the marathon is a whole different ball game.

Don't miss the broadcast of NOVA's "Marathon Challenge", airing April 15 on PBS.

To learn more, visit http://www.pbs.org/nova/run

Video podcast produced by Melissa Salpietra and Susan K. Lewis. Edited by Melissa Salpietra. Narrated by Rafi Nemes. Original footage produced by Daniel McCabe and Hillary Wells. 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.

Watch NOVA every Tuesday night on PBS. Or join us online at http://www.pbs.org/nova</itunes:summary><itunes:keywords>science, NOVA, PBS, Marathon, running, run, Boston Marathon, miles, Betsey Powers Sinclair, Jonathan Bush, Steve DeOssie, Sama ElBannan, diaries, sports medicine, sports physiology, health, exercise, training, conditioning, sports</itunes:keywords><itunes:duration>3:06</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Marathon Stories</title><description>Can novice runners handle the 26.2 miles of the Boston Marathon? NOVA intends to find out. In a series of video podcasts, follow four would-be marathoners from the beginning of their training all the way to the starting line. Don't miss the broadcast of NOVA's Marathon Challenge, airing April 15 on PBS.

Watch NOVA every Tuesday night on PBS. Or join us online at http://www.pbs.org/nova . 

Video podcast produced by Melissa Salpietra and Susan K. Lewis. Edited by Melissa Salpietra. Narrated by Rafi Nemes. Original footage produced by Daniel McCabe and Hillary Wells. 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