NOVA Vodcast | PBS

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.

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 Añonuevo. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by Exxon Mobile, 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

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 Exxon Mobile, 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

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.

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.

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

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

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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

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

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

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 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

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 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