Big Brains Arose Separately in Multiple Primate Groups

Publication: National Geographic News   Date: July 18, 2008   View Article

The ancestors of modern-day primates in the Americas had tiny brains just like their counterparts in Africa and Eurasia, according to a new study.

Because modern anthropoid, or humanlike, primates in both regions have large brains relative to their body sizes, the finding suggests that one of the hallmarks of primate biology—increasing brain size—happened independently in isolated groups.

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