The mass extinction at the boundary between the Cretaceous and Paleogene periods was catastrophic, wiping out much of life on ...
Turtles that crushed hard-shelled prey like clams and snails were reported to be more than five times more likely to survive ...
Turtles with shell-cracking jaws were far more likely to survive extinction due to their ability to be sustained on a restricted diet.
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Techniques developed to study the distant past—from dating ancient artifacts to reconstructing climate records in ice ...