Random Human Facts

    96 facts tagged with Human Facts

    Early American humans hunted car-size armadillos and used their shells for houses.
    12
    The oldest stone tools found are dated from 2.7 - 2.9 million years ago. The species that made these tools is unknown.
    13
    A man's beard grows fastest when he anticipates sex.
    239
    In 30 minutes, the average body gives off enough heat (combined) to bring a half gallon of water to boil.
    198
    The adult human brain weighs about 3 pounds (1,300-1,400 g).
    99
    You can't tickle yourself.
    29
    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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    After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.
    139