Our eyes are always the same size from birth, but our nose and ears never stop growing.
269
A person can live without food for about a month, but only about a week without water.
156
The levels of two stress hormones, cortisol and epinephrine which suppress the body's immune system, will actually drop after a dose of laughter.
112
One human hair can support 3 ounces.
191
If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
22
The human brain doesn't stop developing until about 25 years old.
102
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89