The storage capacity of human brain exceeds 4 Terrabytes.
140
Iron weighs more after it rusts.
16
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
One third of the electricity produced on earth is used to power electric light bulbs!
75
One barrel of petroleum holds 42 gallons.
20
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
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
In zero gravity, a candle's flame is round and blue.
16