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How the whale got its teeth

Whales are mammals, but they don't look like the mammals living around us, as they have a triangular fluke for tail, no hind legs and no body hair. And inside their mouths, their teeth are unfamiliar too ...

dateFeb 19, 2013 in Plants & Animals
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Dinosaur science goes high-tech

They aren't your grandpa's dinosaurs. Feathered, far-flung and far more complicated, dinosaurs as revealed by today's technology look quite unlike the dumpy denizens of old-time dioramas.

dateNov 19, 2012 in Archaeology & Fossils
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