Random Human Facts

    96 facts tagged with Human Facts

    The oldest stone tools found are dated from 2.7 - 2.9 million years ago. The species that made these tools is unknown.
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    Yawns are more contagious among people with closer relationships.
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    The average sperm cell swims at 8 inches per hour.
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    Crying literally alleviates stress and uniquely allows humans to decrease feelings of anger and sadness.
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    Atacama Skeleton
    Atacama Skeleton
    In 2003, the skeletal remains of a human that measured 6 inches in length were found in a Chilean ghost town. A definite explanation for its size, mutations, and origin has yet to be found.
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    The human sigh acts as a physiological reset button.
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    Playing Tetris after a traumatic event can prevent the development of traumatic memories and reduce the chance of having flashbacks.
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    Unconsciousness will occur after 8-10 seconds after loss of blood supply to the brain.
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