stackyFACTSIf you can aggressively wiggle your ears, congratulations on using obsolete biology. You are casually flexing vestigial muscles that our distant ancestors desperately relied on to aggressively swivel their ears toward approaching predators.
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Roughly ten percent of people have a small, thickened bump on the upper edge of their outer ear known as Darwin's tubercle. It serves absolutely zero function…
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What evolutionary advantage actually led to humans developing a dominant hand instead of being fully ambidextrous?
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About 15% of the global population is entirely missing a specific, useless evolutionary leftover in their forearms.
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Just in case mortuary work lacked sufficient nightmare fuel, cremation causes severe muscle contractions. As the extreme heat rapidly evaporates moisture,…
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It takes an extraordinary amount of cardiovascular effort to blindly tunnel through dirt all day. Earthworms have five pairs of aortic arches tucked closely…
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Platypuses do not have nipples, so they sweat milk out of specialized mammary gland ducts on their abdomen to feed their young. Baby platypuses simply lick…
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