Triceratops had self-sharpening teeth

In "Jurassic World," kids visiting the Gentle Giants Petting Zoo get to ride on and feed a triceratops. Turns out that's not such a good idea: University of Florida researchers recently learned that the three-horned dinos ...

Biologist explains the science of 'de-extinction' in new book

Tired of answering questions about cloning mammoths, Beth Shapiro, a professor of ecology and evolutionary biology at UC Santa Cruz, wrote a book called How to Clone a Mammoth. (Spoiler Alert: You can't actually clone a mammoth.)

Rare 'alien of the deep' goblin shark found in Australia

A rare sea creature described as an "alien of the deep" has been found off Australia and delivered to a museum which Tuesday showed off its fleshy snout, nail-like teeth and flabby pink body.

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