Live Science on MSN
Can a turtle tuck its head all the way inside its shell?
Turtle shells evolved over the course of 300 million years, but self-defense wasn't the initial driver, researchers think.
(WSVN) - We introduce you to a turtle that can do amazing tricks, and he’s providing more than just entertainment. He’s helping kids come out of their shells. Heather Walker shows us how in our ...
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