US EditionFossilized teeth reveal a risky diet change spurred human evolution
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Madrid. Hominids began to consume herbaceous plants before having the ideal teeth for it, according to a study that provides the first evidence of the fossil record on behavioral impulse.
·Mexico
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Fossilized teeth reveal a risky diet change spurred human evolution
A timeless question has always fascinated scientists who study the past. Which comes first, the new behavior or the physical tool that perfects it? Do you change how you live and then evolve the body to match? Or do you evolve a new physical trait that unlocks a new way of life? For a long time, this has been a difficult puzzle to solve. Behavior, after all, does not turn into a fossil. You cannot dig up a decision your ancient ancestors made mi…
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