Most dust particles in your house come from dead skin.
48
No matter how cold it gets, gasoline will not freeze.
107
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
Iron weighs more after it rusts.
16
Most dust particles in your house are made from dead skin!
67
The earth is approx. 6,588,000,000,000,000,000 tons.
175