After age 30, the brain begins to lose about 50,000 neurons per day - shrinking the brain .25% each year.
55
In 30 minutes, the average body gives off enough heat (combined) to bring a half gallon of water to boil.
199
An Indian man known as "Snake Manu" can put small snakes, including deadly cobras, into his mouth and pass them out through his nose.
59
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
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