A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
The earth is approx. 6,588,000,000,000,000,000 tons.
175
The only letter not appearing on the Periodic Table is the letter "J".
180
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
Scientists aren't sure what color dinosaurs were.
312
Your brain is 80% water.
525