In 30 minutes, the average body gives off enough heat (combined) to bring a half gallon of water to boil.
198
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
The human sigh acts as a physiological reset button.
23
Crying literally alleviates stress and uniquely allows humans to decrease feelings of anger and sadness.
24
Pain occurs when sounds are above 130 db.
124
Mushrooms are more closely related to humans than they are to plants.
47
The average person's skin weighs twice as much as their brain.
131