Gorillas can catch human colds and other illnesses.
205
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
Yawns are more contagious among people with closer relationships.
163
After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.
139
The average person's skin weighs twice as much as their brain.
131
On average a woman has 4 sexual partners in her lifetime.
-143
Crying literally alleviates stress and uniquely allows humans to decrease feelings of anger and sadness.
24