One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
Hot water can freeze faster than cold water.
181
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
One cubic foot of gold weighs more than 1,200 pounds!
78
Most dust particles in your house come from dead skin.
48
Scientists aren't sure what color dinosaurs were.
312
Nearly 50% of the world's scientists are assigned to military projects.
71
Nylon is made from coal and petroleum.
42