The human brain is more active during sleep than during the day.
28
Crying literally alleviates stress and uniquely allows humans to decrease feelings of anger and sadness.
24
Mushrooms are more closely related to humans than they are to plants.
47
In 30 minutes, the average body gives off enough heat (combined) to bring a half gallon of water to boil.
198
After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.
139
Our eyes are always the same size from birth, but our nose and ears never stop growing.
266
There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13