New research reveals that primates with longer thumbs tend to have larger brains, suggesting that manual dexterity and brain evolution developed together. The study analyzed 94 living and extinct primate species and found a consistent link between thumb length and brain size.
New research reveals that primates with longer thumbs tend to have larger brains, suggesting that manual dexterity and brain evolution developed together. The study analyzed 94 living and extinct primate species and found a consistent link between thumb length and brain size.
Share this Article
Recommended