(This program is no longer streaming). Sixty-six million years ago, an asteroid wiped out the dinosaurs in a fiery global catastrophe. But we know little about how their successors, the mammals, ...

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 ...

When it comes to sweets, the verdict has long been in: Overindulging can really mess with your body. Eating too much sugar boosts your chances of succumbing to heart disease, diabetes, obesity, ...

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

When I was born, the doctors couldn't tell my parents what I was: They couldn't tell if I was a boy or a girl. Between my legs they found "a rudimentary phallus" and "fused labio-scrotal folds." They ...

In this four-part special, technology columnist and best-selling author David Pogue takes a wild ride through the cutting-edge science that is powering a next wave of technological innovation. Pogue ...

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Getting a body ready for eternal life takes time. Priests and embalmers in 18th-Dynasty Egypt (c. 1550-1319 B.C.) generally spent 70 days preparing a pharaoh for burial. Of course, the bodies of the ...

Few attributes of being human have attracted more intense thought than the simple fact that, unlike all other living mammals, we walk upright on two legs. Human bipedalism represents a major ...

1. Katrina makes landfall in Louisiana at 6:10 a.m., but the flooding of residential areas in greater New Orleans actually begins an hour and a half earlier. Between 4:30 and 5 a.m., levees located ...

On the morning of December 26, 2004, many coastal residents of northwestern Sumatra were startled as water at the shore dramatically receded below the normal low-water mark, leaving fish flapping on ...

(This program is no longer available for online streaming.) He's been dead for more than 5,000 years and poked, prodded, and probed by scientists for the last 20. Yet í tzi the Iceman, the famous ...