Indoor pollution is 10 times more toxic than outdoor pollution.
62
A cesium atom in an atomic clock beats over nine billion times a second.
43
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
Nearly 50% of the world's scientists are assigned to military projects.
71
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
Sound travels fifteen times faster through steel than through air.
134
The earth is approx. 6,588,000,000,000,000,000 tons.
175