NOVA | PBS

In the 1960s, a new theory surfaced that claimed Stonehenge was the work of ancient astronomers, and that its giant stone pillars were used to predict eclipses of the moon and sun. But was there anything to the idea? To find out, we talked to NOVA's senior science editor, Evan Hadingham. He trained as an archeologist and has written two books on Stonehenge. Produced by David Levin. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers. Learn what motivated the builders of Stonehenge at pbs.org/nova/ancientworlds

NOVA Minutes are a regular radio features that air three times per week on 89.7 WGBH-FM in Boston. In this episode hear from engineer Colin Angle, cofounder of iRobot, the company that makes the Roomba vacuum cleaner. In this podcast, he explains how small inventions can yield huge results. Produced by David Levin and Rob Chapman. Original interview by Josh Seftel and Tom Miller. 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. Exclusive funding for "The Secret Life of Scientists & Engineers" provided by the Alfred P. Sloan Foundation. Learn more at pbs.org/nova/secretlife

New DNA evidence shows that dogs were probably domesticated from wolves in the Middle East about eight thousand years ago. But wolves are generally fierce animals that travel in packs, and they're usually afraid of humans. That's pretty far off from the behavior of today's family pets. So how could that poodle in your backyard have come from a wolf? To find out, we spoke to Clive Wynne, who studies animal behavior at the University of Florida. Podcast produced by David Levin. Original interview by Gaia Remerowski. 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 about undersea archeology, go to pbs.org/nova

NOVA Minutes are a regular radio features that air three times per week on 89.7 WGBH-FM in Boston. In this episode, experimental psychologist Laurie Santos explains how she studies monkeys in order to learn how humans think. Produced by David Levin and Rob Chapman. Original interview by Josh Seftel and Tom Miller. 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. Exclusive funding for "The Secret Life of Scientists & Engineers" provided by the Alfred P. Sloan Foundation. Learn more at pbs.org/nova/secretlife

In this podcast, radio producer Nick Van der Kolk describes how he ran into Al Gore on an elevator in Chicago. Do you have an elevator story of your own? Have you ever been stuck in one? Did you overcome an elevator phobia? Tell us about your experience at pbs.org/nova/tech . Podcast produced by David Levin. Interview by Lawrence Lanahan and Bruce Wallace. 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.

In this podcast, Paul Goldberger, an architecture critic for The New Yorker, describes how the elevator changed the face of New York City. Produced by David Levin. Interview by Joe Seaman. 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. Hear the story of one New Yorker who was stuck in an elevator for almost two days. Find it at pbs.org/nova/tech

NOVA Minutes are a regular radio features that air three times per week on 89.7 WGBH-FM in Boston. In this episode, ethnobotanist Ina Vandebroek explains why her job is like Star Trek. Listen in. Produced by David Levin and Rob Chapman. Original interview by Josh Seftel and Tom Miller. 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. Exclusive funding for "The Secret Life of Scientists & Engineers" provided by the Alfred P. Sloan Foundation.

When 33 Chilean miners were trapped in a cave-in this August, rescuers had to dig through more than 2000 feet of solid rock to free them. It was the deepest rescue ever attempted, and it would have to be done fast. but how? To find out, we talked to Greg Hall, owner of Drillers Supply International, a small Texas company that helped drill the rescue shaft in a record 33 days. Produced by David Levin. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers. To learn more about the Chilean mine rescue, go to pbs.org/nova/tech

In light of the amazing mine rescue in Chile last week, our partners at PRI's "The World" asked whether technology could be used to prevent mining accidents in the first place. In this podcast, The World's Lisa Mullins interviews Mark Yim, a mechanical engineer at the University of Pennsylvania in Philadelphia. Interview produced by PRI's The World. 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 about the Chilean mine rescue, go to pbs.org/nova/tech

When designing Gothic cathedrals, some medieval builders drew on sacred measurements laid out in the pages of the Bible. In this podcast, we talked to art historian Stephen Murray from Columbia University to find out why. Podcast produced by David Levin. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers. To learn more about Gothic architecture, visit pbs.org/nova/ancient

NOVA Minutes are a regular radio features that air three times per week on 89.7 WGBH-FM in Boston. In this episode, game developer Eran Egozy from Harmonix--the video game company that created Rock Band and Guitar Hero--explains how he uses ones and zeros to bring music-making to everyone. Produced by David Levin. Original interview by Josh Seftel and Tom Miller. 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. Exclusive funding for "The Secret Life of Scientists & Engineers" provided by the Alfred P. Sloan Foundation. Learn more at pbs.org/nova/secretlife

NOVA Minutes are a regular radio features that air three times per week on 89.7 WGBH-FM in Boston. In this episode, mechanical engineer Nate Ball explains why a spectacular failure helped him learn how to build a life-saving device. Produced by David Levin. Original interview by Josh Seftel and Tom Miller. 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. Exclusive funding for "The Secret Life of Scientists & Engineers" provided by the Alfred P. Sloan Foundation. Learn more at pbs.org/nova/secretlife

In this podcast, art historian Jeff Hurwitt explains what made the Parthenon the greatest temple of Ancient Greece. Produced by Susan Lewis. Original interview by Gary Glassman. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers. Learn more about the history of the Parthenon at pbs.org/nova/parthenon

In this podcast, NOVA Online's editor-in-chief, Peter Tyson, interviews former astronaut Buzz Aldrin. Aldrin was the second man to set foot on the moon, and thinks that a human presence on Mars is inevitable in the future. Listen in to find out why. Produced by David Levin. Original interview by Peter Tyson. 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. Learn more about the future of human spaceflight at pbs.org/nova/space

NOVA Minutes are a regular radio features that air three times per week on 89.7 WGBH-FM in Boston. In this episode, biologist Mark Siddall from the American Museum of Natural History tells us how he found a rare species of leech in the rectum of a hippo. Produced by David Levin. Original interview by Josh Seftel and Tom Miller. 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. Exclusive funding for "The Secret Life of Scientists & Engineers" provided by the Alfred P. Sloan Foundation.