Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
Scientists aren't sure what color dinosaurs were.
312
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
The inventor of the Super Soaker squirt gun was a NASA Scientist who also helped develop the Stealth Bomber and the Galileo mission to Jupiter.
7
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
One ragweed plant can release as many as one billion grains of pollen!
51
The bark of an older redwood tree is fireproof.
65