The left ear is more responsive to words of love and emotion whispered into it than the right.
40
The average temperature at 40,000 feet above sea level is -60 F.
56
Nuclear power prevented an average of over 1.8 million deaths between 1971-2009 as a result of lower air pollution from reduced coal usage according to NASA.
5
Pure water (H2O) does not conduct electricity on its own.
46
Iron weighs more after it rusts.
68
A cesium atom in an atomic clock beats over nine billion times a second.
43
Sound travels about 4 times faster in water than in air.
408
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79