Random Human Facts

    96 facts tagged with Human Facts

    Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
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    If the human eye was a digital camera, it would have 576 megapixels.
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    The adult human brain weighs about 3 pounds (1,300-1,400 g).
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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 brain doesn't stop developing until about 25 years old.
    102
    The oldest stone tools found are dated from 2.7 - 2.9 million years ago. The species that made these tools is unknown.
    13
    It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
    11
    In one day, adult lungs move about 10,000 litres of air.
    11