In zero gravity, a candle's flame is round and blue.
16
Liquid TIDE laundry detergent glows under a blacklight.
96
There are more than 270 people cryogenically frozen in the hope that one day the technology will exist that can revive them and extend their lives.
13
For every gallon of sea water, you get more than a quarter pound of salt.
45
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
One third of the electricity produced on earth is used to power electric light bulbs!
75
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
The average temperature at 40,000 feet above sea level is -60 F.
56