# Scientists discover a surprising secret behind the human brain’s wrinkles

- Source: Latest Science News -- ScienceDaily
- Published: 2026-10-22T10:10:23+00:00
- Category: Science
- Original: https://www.sciencedaily.com/releases/2026/10/261021231235.htm
- Canonical: https://groundlevelnews.com/story/scientists-discover-a-surprising-secret-behind-the-human-brain-s-wrink-1ade8d/

Scientists have discovered why common marmosets have unusually small, smooth brains despite starting development much like other primates. The secret lies in subtle changes to brain-building cells that slow neuron production, revealing new clues about how the large, folded human brain evolved.

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