What gave some primates bigger brains? A fruit-filled diet

What gave some primates bigger brains? A fruit-filled diet

Primate brains may have grown larger and more complex thanks to a fruit-filled diet, a new study suggests.

The researchers analyzed the brain sizes and diets of over 140 primate species spanning apes, monkeys, lemurs and lorises and found that those who munched on fruit instead of leaves had 25 percent more brain tissue, even when controlling for body size and species relatedness.…

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