Iron weighs more after it rusts.
68
Scientists are now able to grow 'beating' heart tissue in a lab!
162
One third of the electricity produced on earth is used to power electric light bulbs!
75
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
According to studies, men change their minds two to three times more often than women.
72
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
If you are locked in a completely sealed room, you will die of carbon dioxide poisoning first before you will die of oxygen deprivation.
117