A pipe 2 feet in diameter will allow four times more fluid to pass through it than a pipe 1 foot in diameter.
20
When glass breaks, the cracks move faster than 3,000 miles per hour. To photograph the event, a camera must shoot at a millionth of a second!
114
When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
1k
In a year approximately 900 million trees are cut down to make the raw materials needed for American pulp mills and paper.
-16
There is one slot machine in Las Vegas for every eight inhabitants.
58
At the time of your birth, you were, for a few seconds, the youngest person on the planet.
30
No piece of square dry paper can be folded more than 7 times in half!
26