Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
Most dust particles in your house are made from dead skin!
67
For every gallon of sea water, you get more than a quarter pound of salt.
45
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
A 'jiffy' is an actual unit of time for 1/100th of a second!
66