Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
Galalith is a type of plastic that can be made from milk. It is odourless, insoluble in water, biodegradable, anti-allergenic, antistatic, and virtually non-flammable.
1
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
Iron weighs more after it rusts.
16
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
Each day, up to 150 species of life become extinct.
-23
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13