Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
One 75-watt bulb gives more light than three 25-watt bulbs.
57
Nearly 50% of the world's scientists are assigned to military projects.
71
The only letter not appearing on the Periodic Table is the letter "J".
180
For every gallon of sea water, you get more than a quarter pound of salt.
45