For every gallon of sea water, you get more than a quarter pound of salt.
45
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
A cubic yard of air weighs about 2 pounds at sea level.
31
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11