Nylon is made from coal and petroleum.
42
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
Most dust particles in your house are made from dead skin!
67
German chemists made a replica of a trophy the size of one molecule.
68
The only letter not appearing on the Periodic Table is the letter "J".
180
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71