Nylon is made from coal and petroleum.
42
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
The smell of freshly cut grass is actually a plant distress call.
31
For every gallon of sea water, you get more than a quarter pound of salt.
45
A cesium atom in an atomic clock beats over nine billion times a second.
43
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
Each day, up to 150 species of life become extinct.
-23
One third of the electricity produced on earth is used to power electric light bulbs!
75