Dinos in the Great White North

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Toronto Star

Some dinosaurs actually braved long dark winters in arctic latitudes according to a new study of dinosaur bones excavated in Alaska and analyzed by researchers that included Temple histologist Allison Tumarkin-Deratzian. “The bones from these young animals . . . basically told us that they weren’t growing at a constant rate throughout life” providing further proof that they were affected by seasonal change, said Tumarkin-Deratzian.