Random Brain Facts

    56 facts tagged with Brain Facts

    Optical illusions occur when what the eyes see conflicts with what the brain expects.
    75
    The brain can stay alive for 4 to 6 minutes without oxygen. After that cells begin die.
    193
    Man Lost 50-75% of His Brain to Water on the Brain, Lived Normally
    A 44-year-old man lost around 50%-75% of his brain to hydrocephalus (water on the brain) and continued to live a normal life. Specialists believe the fluid filled so slowly over his life that the brain remapped itself to retain functionality despite the loss of mass.
    26
    Brain freeze is caused by the brain sensing the drop of temperature on your palate and increasing blood pressure in an attempt to save you from freezing.
    14
    Fingers prune underwater not because of them absorbing the water or washing away the oil, but because of an evolutionary trait caused by the brain to enhance the grip of your fingers underwater.
    24
    Due to the angle at which the optic nerve enters the brain, staring at a blue surface during sex greatly increases the intensity of orgasms.
    252
    The average person's skin weighs twice as much as their brain.
    131
    The adult human brain weighs about 3 pounds (1,300-1,400 g).
    99