It's impossible to kill yourself by holding your breath.
703
The average cough comes out of your mouth at 60 miles per hour.
126
You can hear the blood flowing through your ears if you find a quiet place and cover them tightly.
19
Approximately 60% of the water used by households during the summer is used for watering flowers and lawns.
79
In 1997, a survey reported that 12% of Americans think that Joan of Arc was Noah's wife.
48
Caffeine boosts memory.
405
Wearing red increases attraction.
30
The human eye blinks an average of 4,200,000 times a year.
233