One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
The gas that gives rotten eggs their distinctive foul smell may slow ageing and block damaging chemical reactions inside cells, according to scientists in China.
5
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
Most liquid laundry detergents are alive with living organisms that help to break down stains!
88
Most dust particles in your house come from dead skin.
48
In 1999, Harvard physicist Lene Hau was able to slow down light to 17 meters per second and in 2001, was able to stop light completely.
39
The bark of an older redwood tree is fireproof.
65