A 'jiffy' is an actual unit of time for 1/100th of a second!
66
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
The earth is approx. 6,588,000,000,000,000,000 tons.
175
The average home creates more pollution than does the average car.
33
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
Sound travels about 4 times faster in water than in air.
408
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
No matter how cold it gets, gasoline will not freeze.
107