The average temperature at 40,000 feet above sea level is -60 F.
56
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
Balsa wood is classified as a hard wood!
41
Pure water (H2O) does not conduct electricity on its own.
46
Most dust particles in your house come from dead skin.
48
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
The bark of an older redwood tree is fireproof.
65
Liquid TIDE laundry detergent glows under a blacklight.
96