The only letter not appearing on the Periodic Table is the letter "J".
180
Most dust particles in your house come from dead skin.
48
The force of a suction cup is calculated using F=AP.
15
If the chemical sodium is dropped into water it will immediately and violently explode.
67
Diamonds can be shattered with a hammer.
-104
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55