Health
Your fingerprints may make smooth surfaces harder to grip
HERE’S THE INTERESTING PART
Everything you thought you knew about your evolutionary advantages is a lie. While monkeys use ridges to grip rough tree branches, human fingerprints actually reduce the contact area on flat, smooth surfaces, making things harder to hold. Their primary biological purpose is likely to improve our sense of touch by amplifying vibrations, rather than acting like built-in climbing grips.
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