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66 million years ago, squid survived the dinosaur-killing extinction in deep-sea oxygen refuges — then rapidly evolved

Learn how a new genomic study reveals that squid and cuttlefish survived a mass extinction in deep-sea refuges before rapidly ...
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66 million years ago, this dinosaur got a tooth lodged in its face. Now, we finally know what put it there

Fossils may give us an idea of what dinosaurs looked like – they may even give us clues about how they lived – but very rarely do they show us precisely how they died. One notable exception is ...