Oak trees produce 2,200 acorns in a season, but each acorn only has a 1 in 10,000 chance of becoming an oak tree.
304
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
Pure water (H2O) does not conduct electricity on its own.
46
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9