The only letter not appearing on the Periodic Table is the letter "J".
180
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
Pumice is the only rock that floats on water.
14
In the 1950s, the US government placed beer next to an atomic bomb blast to determine if it was still drinkable. The result: in the event of a nuclear war, beer is safe to drink!
16
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
Research indicates that plants grow healthier when they are stroked.
173
Each day, up to 150 species of life become extinct.
-23
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57