If left alone, 70% of birthmarks gradually fade away.
193
Tsunamis ( tidal waves ) travel as fast as jet planes.
97
Women blink nearly twice as much as men.
152
Caffeine boosts memory.
405
Stilts were invented by French shepherds who needed a way to get around in wet marshes.
45
The Gate Tower Building skyscraper in Japan has a highway passing through its fifth, sixth and seventh floors.
7
There was once an undersea post office in the Bahamas.
241
If you counted 24 hours a day, it would take 31,688 years to reach one trillion!
44