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
Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
A cesium atom in an atomic clock beats over nine billion times a second.
43
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
