Scientists may have found the tiny DNA switch that made us human

ScienceDaily
Aug 15, 2025, 10:43 am28 pts
Scientists at UC San Diego have discovered a small but powerful section of DNA, called HAR123, that could help explain what makes the human brain so unique. Instead of being a gene, HAR123 acts like a “volume control” for brain development, guiding how brain cells form and in what proportions. The human…

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