You forget 90% of your dreams.
256
On average, there's 100 billion neurons in the human brain.
83
The human brain uses approximately as much energy as a 10 watt light bulb.
120
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
Your fingernails grow faster in summer.
744
The average person's skin weighs twice as much as their brain.
131
The human sigh acts as a physiological reset button.
23
After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.
139