For more than a century, medical students have memorized the same map of the human body, confident that every major structure had already been charted. Yet recent research suggests that even in the ...

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Leaf through a textbook, watch a wellness influencer, or listen in at the gym, and it can feel as though the human body has already been mapped to exhaustion. Every muscle named, every nerve traced.

Researchers have discovered a suite of genes that influence head shape in humans. These findings help explain the diversity of human head shapes and may also offer important clues about the genetic ...