The Human Brain Has been Getting Smaller Since the Stone Age

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The Human Brain Has been Getting Smaller Since the Stone Age
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🔄FROM THE ARCHIVE: Yep, brains are shrinking.

. It's also worth noting that our stature hasn’t changed substantially sinceHow do recent humans compare? Based on measurements from, modern adult brains range from 900 to 2,100 mL, with a global average of 1,349 mL, which is smaller than our Stone Age predecessors. However, we can’t reach meaningful conclusions from these species-wide global averages, in part because methods of skull measurement differ between datasets.

More convincing evidence for cranial decline comes from studies that applied the same measuring technique to hundreds or even thousands of skulls from a particular region across the millennia. For instance, a

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