Cold water weighs more than hot water.
93
A cesium atom in an atomic clock beats over nine billion times a second.
43
Your brain is 80% water.
525
Iron weighs more after it rusts.
68
The average temperature at 40,000 feet above sea level is -60 F.
56
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
If the chemical sodium is dropped into water it will immediately and violently explode.
67
For every gallon of sea water, you get more than a quarter pound of salt.
45