Tsunamis ( tidal waves ) travel as fast as jet planes.
97
It's impossible to kill yourself by holding your breath.
703
Not swinging your arms when you walk increases the effort of walking by 12%, the equivalent of walking 20% faster or carrying a 10 kg backpack.
12
When glass breaks, the cracks move at speeds of up to 3,000 miles per hour.
423
Ninety-nine percent of pumpkins sold in the United States are for the sole purpose of decoration.
55
An ounce of platinum can be stretched 10,000 feet.
40
Those things you see in your eyes when you stare into space are called Mouches Voltanes, which are also broadly referenced to as Floaters.
9
The French named one of their aircraft carriers after Ferdinand Foch, a man who once said "Airplanes are interesting toys but of no military value".
10