When glass breaks, the cracks move faster than 3,000 miles per hour.
47
In 1997, a survey reported that 12% of Americans think that Joan of Arc was Noah's wife.
48
Stilts were invented by French shepherds who needed a way to get around in wet marshes.
45
If you mouth the word "colorful" to someone, it looks like you are saying "I love you".
634
Mentally doing a task makes you better at it. Your mind can barely tell the difference.
18
Women blink nearly twice as much as men.
152
In an average hour, there are over 61,000 Americans airborne over the United States.
24
The 1 yen coin can be used as a weight, because it weighs exactly one gram. Also, it can float on water.
19