Oak trees produce 2,200 acorns in a season, but each acorn only has a 1 in 10,000 chance of becoming an oak tree.
304
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
According to studies, men change their minds two to three times more often than women.
72
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199