Random Human Facts

    96 facts tagged with Human Facts

    A man's beard grows fastest when he anticipates sex.
    239
    The average sperm cell swims at 8 inches per hour.
    4
    Modern humans first appeared about 200,000 years ago, but record keeping didn't begin until about 6,000 years ago. That means about 97% of human history is lost.
    21
    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.
    54
    Unconsciousness will occur after 8-10 seconds after loss of blood supply to the brain.
    93
    Early American humans hunted car-size armadillos and used their shells for houses.
    12
    It takes about 20 seconds for a red blood cell to circle the whole body.
    102
    Our brains have a negativity bias and will remember bad memories more than good ones.
    15