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Read articles, including Science News stories written for ages 9-14, on the SNK website.
IT’S A LIVE (PLESIOSAUR)
An artist’s representation depicts the Mesozoic plesiosaur Polycotylus latippinus delivering a single live offspring, much like today’s marine mammals. Scientists think it’s possible that plesiosaurs cared for their young after birth. Credit: S. Abramowicz, Dinosaur Institute, NHM

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