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

(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 ...

NOVA is the most popular primetime science series on American television, demystifying the scientific and technological concepts that shape and define our lives, our planet, and our universe. The PBS ...

"Treasures of the Earth: Gems, Metals, and Power" is a 3-part series that will take us on a journey deep inside Earth to uncover the mysteries of how these treasures were created, and to explore how ...

Neil deGrasse Tyson is used to wearing a lot of hats. He is a leading astrophysicist, the director of the American Museum of Natural History's Hayden Planetarium, a columnist for Natural History ...

Archimedes of Syracuse was one of the greatest mathematicians in history. He was also a great inventor and scientist. Most of what we know about Archimedes today comes from his writings and those of ...

Today, the world is a melting pot of dog breeds. You are just as likely to see an akita trotting out of a Manhattan apartment as out of a house in the Honshu region of Japan, where the breed's ...