Random Brain Facts

    56 facts tagged with Brain Facts

    On average, there's 300 billion neurons in the octopus brain.
    129
    On average, there's 100 billion neurons in the human brain.
    83
    There are more nerve cells in the human brain than there are stars in the Milky Way.
    349
    After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.
    139