Random Human Facts

    96 facts tagged with Human Facts

    Tigers can see 6 times better at night than humans.
    305
    Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
    132
    Yawns are more contagious among people with closer relationships.
    163
    On average, there's 100 billion neurons in the human brain.
    83
    The human eye blinks an average of 4,200,000 times a year.
    233
    By weight, Bone is five times stronger than steel.
    417
    Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
    111