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 hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
The inventor of the Super Soaker squirt gun was a NASA Scientist who also helped develop the Stealth Bomber and the Galileo mission to Jupiter.
7
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
Pumice is the only rock that floats on water.
14
The gas that gives rotten eggs their distinctive foul smell may slow ageing and block damaging chemical reactions inside cells, according to scientists in China.
5