After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.
139
The human brain uses approximately as much energy as a 10 watt light bulb.
120
Early American humans hunted car-size armadillos and used their shells for houses.
12
Crying literally alleviates stress and uniquely allows humans to decrease feelings of anger and sadness.
24
Our brains have a negativity bias and will remember bad memories more than good ones.
15
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
31