The human eye blinks an average of 4,200,000 times a year.
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In many countries, urine was used as a detergent for washing.
17
At 90 degrees below zero, your breath will freeze in mid-air and fall to the ground.
24
You share your birthday with at least 9 million other people in the world.
205
No piece of square dry paper can be folded more than 7 times in half!
26
We forget why we have entered a room because passing through doors creates an ‘event boundary’ causing the brain to file away what we were just thinking about.
26
In 1997, a survey reported that 12% of Americans think that Joan of Arc was Noah's wife.
48