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Dinosaur Demise Leads to Fish Rise

The asteroid that triggered a mass extinction and the demise of the dinosaurs 66 million years ago gave rise to a modern age of fishes, according to a new study in the Proceedings of the National Academy of Sciences. The ocean was a different place at the time of the massive die off. Sharks and octopus-like creatures were big players, but paleobiologist Elizabeth Sibert said there were large marine reptiles and fish as well, “Except the fish weren’t very...

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