A cesium atom in an atomic clock beats over nine billion times a second.
43
The storage capacity of human brain exceeds 4 Terrabytes.
140
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
Each day, up to 150 species of life become extinct.
-23
Hot water can freeze faster than cold water.
181
A cubic yard of air weighs about 2 pounds at sea level.
31
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7