Iron weighs more after it rusts.
16
If the chemical sodium is dropped into water it will immediately and violently explode.
67
Your brain is 80% water.
525
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
One third of the electricity produced on earth is used to power electric light bulbs!
75
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
A ball of glass will bounce higher than a ball made of rubber.
73
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38