(Programs not available for streaming.) In this two-hour special, NOVA examines how a simple instrument, the telescope, has fundamentally changed our understanding of our place in the universe. What ...

From the PBS science series NOVA, a biweekly podcast digging into the science behind the headlines. Alok Patel takes you behind the scenes with the people—scientists, engineers, technologists, ...

(This program is no longer available for streaming.) One of the most violent natural disasters of our time, the colossal eruption of Mt. St. Helens in 1980 blasted away an entire mountainside. Over ...

(This video is no longer available for streaming.) Researchers who've studied Einstein's brain have long known that parts of his parietal lobe—a part of the brain involved in spatial imagination—were ...

(Program not available for streaming.) What will it mean when most of us can afford to have the information in our DNA—all six billion chemical letters of it—read, stored and available for analysis?

(Program not available for streaming.) The world has always been a dangerous place, so how do we increase our odds of survival? In "Making Stuff Safer," David Pogue explores the cutting-edge research ...

Water buffalo tusks, fish bladders, and animal sinew all went into the making of the ancient Egyptian composite bow. While the materials may seem primitive, this powerful weapon was not so different ...

(Program not available for streaming.) Our lives are going digital. We shop, bank, and even date online. Computers hold our treasured photographs, private emails, and all of our personal information.

Disaster risk management expert Klaus Jacob speaks candidly about the effects of climate change and sea level rise on New York City. He says we need to think ahead to what New York will look like 400 ...

(Program not available for streaming.) What's the secret to stopping crime? David Pogue gives the third degree to scientists pushing the limits of technology, not only to solve horrific murders but ...

(Program not available for streaming.) Growing up in Guatemala, where his family owned a candy factory, computer scientist Luis von Ahn seemed like your average video-game-addicted, TV-watching kid.