Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
Most dust particles in your house are made from dead skin!
67
Most dust particles in your house come from dead skin.
48
In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
17
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
Neanderthal man had a brain capacity 100cc larger than modern man's.
50