A single speck of dust is half way in size between a subatomic particle and the Earth.
15
The average temperature at 40,000 feet above sea level is -60 F.
56
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
The earth is approx. 6,588,000,000,000,000,000 tons.
175
Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11