The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11
Liquid TIDE laundry detergent glows under a blacklight.
96
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
Balsa wood is classified as a hard wood!
41
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155