The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
Columbia University has developed an artificial tree that passively soaks up carbon dioxide from the air using "leaves" that are 1,000 times more efficient than true leaves that use photosynthesis.
15
Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
The earth is approx. 6,588,000,000,000,000,000 tons.
175
The average temperature at 40,000 feet above sea level is -60 F.
56
Scientists in Germany have developed a candy that doesn't cause cavities.
11
Pumice is the only rock that floats on water.
14