Neanderthal man had a brain capacity 100cc larger than modern man's.
50
A cubic yard of air weighs about 2 pounds at sea level.
31
Research indicates that plants grow healthier when they are stroked.
173
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
Indoor pollution is 10 times more toxic than outdoor pollution.
62
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101