A new video podcast from GBH and the producers of NOVA, hosted by Hakeem Oluseyi. Should we bring back extinct species? Are we missing a fundamental law of nature? What can ancient fossils tell us ...

(This program is no longer available for online streaming.) The centuries-old tradition of folding two-dimensional paper into three-dimensional shapes is inspiring a scientific revolution. The rules ...

Peyote is an important medicinal plant that is used in rites of passage and in religious and healing ceremonies in Indigenous communities.

Editor's Note: On the night of March 24-25, 1944, 76 Allied prisoners of Stalag Luft III, a German prison camp in Sagan, 100 miles southeast of Berlin, escaped through a tunnel named "Harry." Within ...

At 146.5 m (481 ft) high, the Great Pyramid stood as the tallest structure in the world for more than 4,000 years. Today it stands at 137 m (449.5 ft) high, having lost 9.5 m (31 ft) from the top.

Unlike the octopus's arms, which that animal often uses to move and carry objects, the cuttlefish's eight arms are specialized for grasping prey after the cuttlefish captures it with its two elongated ...

NOVA: Everybody has an image of Newton, the guy who got hit on the head with an apple and dreamed up the universal law of gravitation. Is there any truth to this? Buchwald: I doubt that an apple is ...

Tudor Parfitt, the protagonist of the NOVA documentary "Lost Tribes of Israel," made a journey through southern Africa to study the unusual traditions of a black African tribe called the Lemba. This ...

With its extraordinarily large neurons, the marine snail Aplysia has long been a favorite subject for scientists studying the brain and how memory works. In this short video, David Glanzman, a ...

Andrew Wiles devoted much of his entire career to proving Fermat's Last Theorem, the world's most famous mathematical problem. In 1993, he made front-page headlines ...

More than 2,300,000 limestone and granite blocks were pushed, pulled, and dragged into place on the Great Pyramid. The average weight of a block is about 2.3 metric tons (2.5 tons). How much is that?

(Image 2) In this interactive feature, let vintage aircraft expert Dan Taylor guide you on an audio tour of a Demoiselle #20 replica owned by Old Rhinebeck Aerodrome, a museum of antique aviation.