The only letter not appearing on the Periodic Table is the letter "J".
180
One third of the electricity produced on earth is used to power electric light bulbs!
75
No matter how cold it gets, gasoline will not freeze.
107
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
4.5 pounds of sunlight strike the Earth each day.
27
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
Most dust particles in your house are made from dead skin!
67
If the chemical sodium is dropped into water it will immediately and violently explode.
67