The human eye blinks an average of 4,200,000 times a year.
233
An Australian study found that homework is of little to no academic value to students in elementary and junior high schools.
32
A pipe 2 feet in diameter will allow four times more fluid to pass through it than a pipe 1 foot in diameter.
20
The best diamonds are colored blue-white.
80
The 1 yen coin can be used as a weight, because it weighs exactly one gram. Also, it can float on water.
19
Daydreamers are better at solving complex problems.
28


