Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
Pumice is the only rock that floats on water.
14
Scientists aren't sure what color dinosaurs were.
312
One 75-watt bulb gives more light than three 25-watt bulbs.
57
The smell of freshly cut grass is actually a plant distress call.
31
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
Nearly 50% of the world's scientists are assigned to military projects.
71