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
Modern humans first appeared about 200,000 years ago, but record keeping didn't begin until about 6,000 years ago. That means about 97% of human history is lost.
21
All 13 minerals necessary for human life can be found in alcohol beverages.
282
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
Having sex can make a woman look younger and more attractive due to the release of estrogen and collagen.
346
Your fingernails grow faster in summer.
744