In zero gravity, a candle's flame is round and blue.
16
The average temperature at 40,000 feet above sea level is -60 F.
56
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
A cesium atom in an atomic clock beats over nine billion times a second.
43
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
Sound travels fifteen times faster through steel than through air.
134
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
According to scientists, the color of the cup that we're drinking from can alter our perception of the actual taste of the drink.
12