Why is almost everyone right-handed? The answer may lie in how we learned to walk
It is one of the strangest puzzles in human evolution. About 90% of people across every human culture favor their right hand—with no other primate species showing a population-level preference on this scale. Despite decades of research into the brains, genes and development behind handedness, why humans ended up so overwhelmingly right-handed has remained an evolutionary enigma.
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