In zero gravity, a candle's flame is round and blue.
16
According to studies, men change their minds two to three times more often than women.
72
Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
Nylon is made from coal and petroleum.
42
There is a surgical implant being developed that will give you an orgasm at the touch of a button.
20
A cesium atom in an atomic clock beats over nine billion times a second.
43
A single speck of dust is half way in size between a subatomic particle and the Earth.
15