See why an explosion three miles above Earth would act like a hot tornado on the surface.

Vision as we know it remains elusive for machines. But as this video short shows, they are starting to get the picture.

Jeopardy! challenges even the best human minds. Can a computer win the game?

Technology reporter David Pogue hosts a 4-part special series exploring the materials that will shape our future. Wednesdays starting January 19, 2011

David Pogue visits DuPont to get a closer look at fireproof clothing.

"Absolute Zero" presents the epic story of humanity's struggle to master extreme cold. This NOVA special re-creates groundbreaking discoveries across four centuries that expanded our knowledge of low temperatures and led ultimately to today's cutting edge "cold technologies."

They've transformed our cities and our lives, but how safe are they?

This film chronicles the fate of the 33 miners trapped in a collapsed Chilean gold and copper mine in August 2010 and investigates the many challenges faced by both the miners and those working around the clock to bring them safely to the surface. NOVA was on-site at the San José mine in Chile by early September.

A team of intrepid scientists journey into one of Earth's most dangerous and beautiful underwater frontiers.

Why did the Incas abandon their city in the clouds?

Where did we come from? What makes us human? An explosion of recent discoveries sheds light on these questions, and NOVA's comprehensive, three-part special, "Becoming Human," examines what the latest scientific research reveals about our hominid relatives.