Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
One third of the electricity produced on earth is used to power electric light bulbs!
75
Pumice is the only rock that floats on water.
14
One barrel of petroleum holds 42 gallons.
20
The sun is 330,330 times larger than the earth.
75
Scientists aren't sure what color dinosaurs were.
312