If the chemical sodium is dropped into water it will immediately and violently explode.
67
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
A cubic yard of air weighs about 2 pounds at sea level.
31
The only letter not appearing on the Periodic Table is the letter "J".
180
Diamonds can be shattered with a hammer.
-104
In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
17