The average cough comes out of your mouth at 60 miles per hour.
126
A pipe 2 feet in diameter will allow four times more fluid to pass through it than a pipe 1 foot in diameter.
20
It's impossible to kill yourself by holding your breath.
703
Contrary to popular belief, hair does not grow back darker and thicker after it has been shaved.
71
The weight of air in a milk glass is about the same as the weight of one aspirin tablet.
63
The glue on Israeli stamps is certified kosher.
67
The number of text messages sent and received in a given day is greater than the world's population.
198
Tae Kwon Do is only around 60 years old.
64