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Physicist Max Tegmark says that researchers still don't fully understand what time is. It's one of the biggest mysteries in physics. Podcast produced by David Levin. NOVA is produced by WGBH in...

The concept of "Space," is a tough one to explain--even for a Nobel prize-winnig physicist like Steven Weinberg. Podcast produced by David Levin. NOVA is produced by WGBH in Boston. Funding for...

Physicist Janna Levin says that Einstein and Newton had very different ideas about what space and time really were. Podcast produced by David Levin. NOVA is produced by WGBH in Boston. Funding for...

Peter Gallison is a physicist and historian of science. He says that although humans may sense time as moving constantly forward, it doesn't really work that way. Podcast produced by David Levin....

Physicist Jim Gates says that even after you take all the matter out of the universe, space still wouldn't be empty. Podcast produced by David Levin. NOVA is produced by WGBH in Boston. Funding for...

To most of us, time seems like a one-way street, moving from past to future. But physicists like Sean Carroll have a different way of thinking about it. Podcast produced by David Levin. NOVA is...

In the months after 9/11, New York City faced a difficult decision. What should it do with the site where the twin towers once stood? For architecture critic Paul Goldberger, there was only one...

Could permafrost under Martian soil be the key to finding life on the red planet? Chris McKay, a planetary scientist for NASA, thinks there's a good chance we'll see evidence of ancient microbes if...

For thousands of years, people around the world have modified their bodies with tattoos and piercings. But some cultures, like the ancient Inca in Peru, took that practice beyond skin deep. They...

In this podcast, marine biologist Roger Hanlon explains why octopuses are masters of camouflage. Podcast produced by David Levin. Interview by Susan Lewis. NOVA is produced by WGBH in Boston....

In this podcast, we spoke to former NASA Public Affairs Officer Steve Nesbitt. Nesbitt announced more than a dozen Space Shuttle missions, giving play-by-play radio commentary as the craft flew...

In this podcast, learn why studying the emotions of our close primate relatives--chimpanzees and bonobos--might shed light on the evolution of human culture. Podcast produced by David Levin. NOVA...

Neurologist and author Oliver Sacks has come across plenty of odd stories while studying the human brain, but none are quite as mysterious as that of his colleague, Tony Cicoria. In 1994, Cicoria...

NOVA Minutes are a regular radio features that air three times per week on 89.7 WGBH-FM in Boston. In this episode, marine biologist Colleen Reichmuth describes the many ways a walrus can...

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...

Egyptologist Mark Lehner thinks it took almost 20,000 people to build the Great Pyramids. But where did all those workers live? In this podcast, Lehner describes how he found evidence of a "lost...

WiTricity, a small startup based outside of Boston, is creating a system that can transmit electricity wirelessly. It'll make charging electric cars easy, eliminating the need for bulky cables....

Thirty years ago, a violent eruption ripped through the side of Mt. St. Helens in western Oregon. The blast killed 57 people and countless animals, and turned hundreds of miles of forest into...

Steven Chu is the U.S. Secretary of Energy under President Obama. He's a Nobel Prize-winning physicist, and a big proponent of renewable power, like wind and solar. He says that although they're...

Archeologist Bill Dever says that in addition to the Hebrew god Yahweh, ancient Israelites may have worshipped a Canaanite female goddess called Asherah. This podcast was produced by David Levin...