NOVA | PBS

Hurricane Sandy has renewed the debate over climate change in the United States, and two high-profile reports released since the storm have made it clear that without big changes we're headed for...

Costa Rica, a tropical country known for its national parks and ecotourism, has proposed a further step to protect its environment: a ban on all hunting. But even in this environmentally conscious...

Could climate change be contributing to extreme weather events like Hurricane Sandy? Jennifer Francis, a climatologist at Rutgers University in New Jersey, believes that may be the case. In fact,...

Marine biologist Colleen Reichmuth says that few mammals can match the vocal talents of the walrus. Produced by David Levin. Original interview by Doug Hamilton. Learn more at pbs.org/nova NOVA is...

NOVA scienceNOW's Dean Irwin discusses what he learned about this new computer technology while producing his story on digital art authentication. Podcast produced by David Levin. Music by Jeff...

Anthropologist Barbara Macleod says that studying the ancient Maya language offers a unique window into the past. Podcast produced by David Levin. Interview by Rima Chaddha. NOVA is produced by...

Cosmologist Stephon Alexander says he'd be surprised if we didn't find the Higgs particle. Podcast produced by David Levin and Rima Chaddha, with audio editing by David Levin. NOVA is produced by...

Physicist Leonard Susskind says that Einstein radically changed the way we think about space, but his equations can’t explain exactly what it is. Podcast produced by David Levin. NOVA is produced...

Physicist Alan Guth says that the concept of “space” is more complicated than you might think. Podcast produced by David Levin. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by...

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, 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...