Obsessive nose picking is called Rhinotillexomania.
101
Research has determined that most people are happiest at 7:26pm on a Saturday night.
69
The human brain doesn't stop developing until about 25 years old.
102
Early American humans hunted car-size armadillos and used their shells for houses.
12
After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.
139
In 30 minutes, the average body gives off enough heat (combined) to bring a half gallon of water to boil.
198
One human hair can support 3 ounces.
191