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Humans vs. apes: Women are the secret factor explaining how we evolved to populate the world

The populations of the great apes were once nearly equal. Now, one great ape species—Homo sapiens—outnumbers the rest by almost ...
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Why other primates can’t talk: It’s all in the brain

Compared to humans, most primates produce a limited range of vocalizations: At one end of the spectrum, there’s the Calabar angwantibo, ...