The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
The smell of freshly cut grass is actually a plant distress call.
31
4.5 pounds of sunlight strike the Earth each day.
27
No matter how cold it gets, gasoline will not freeze.
107
Dr.Jonas Salk, the man who came up with the cure for polio, didn’t patent the drug. This made the drug more affordable to the general public, and he lost out an an estimated $7 billion dollars for himself.
41
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101