If the chemical sodium is dropped into water it will immediately and violently explode.
67
The earth is approx. 6,588,000,000,000,000,000 tons.
175
Scientists are now able to grow 'beating' heart tissue in a lab!
162
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
Nuclear power prevented an average of over 1.8 million deaths between 1971-2009 as a result of lower air pollution from reduced coal usage according to NASA.
5
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
According to studies, men change their minds two to three times more often than women.
72
In zero gravity, a candle's flame is round and blue.
16