Water is actually naturally blue.
48
Wearing yellow makes you look bigger on camera; green, smaller.
222
New York's Central Park is nearly twice the size of the entire country of Monaco.
42
Over its lifetime, the average microwave requires more energy to display a digital clock than to heat food.
10
Your fingernails grow faster in summer.
744
A pipe 2 feet in diameter will allow four times more fluid to pass through it than a pipe 1 foot in diameter.
20
Passengers on the Beijing subway can pay with plastic bottles.
29
