Vellus hair: This is the fine, almost invisible fuzz that covers much of our bodies, including the outer ear and earlobes. It appears in childhood and regulates body temperature by providing a thin ...
Evolution has left humans with many vestigial traits—remnants of once-useful biological features that serve little or no modern purpose. One such example is the muscles around our ears, which in many ...
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Humans have weaker ear muscles than chimps—yet some humans are still able to twitch them
Most people never think twice about their ears, until they catch a strange little twitch they can't explain. It might happen ...
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