The only letter not appearing on the Periodic Table is the letter "J".
180
Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
21
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
No matter how cold it gets, gasoline will not freeze.
107
Cold water weighs more than hot water.
93
Diamonds can be shattered with a hammer.
-104
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
The bark of an older redwood tree is fireproof.
65