Random Brain Facts

    56 facts tagged with Brain Facts

    On average, there's 300 billion neurons in the octopus brain.
    129
    After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.
    139
    Starfish don't have brains.
    132
    Chocolate is associated with the release of serotonin, the hormone that makes you feel relaxed, calm, and happy.
    183