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 most collected calls are made on Father's Day.
92
No matter its size or thickness, no piece of paper can be folded in half more than 8 times.
-64
People who laugh more are better able to tolerate pain - both physical and emotional.
36
20252 is Smokey the Bear's own zip code.
35
The chills you sometimes feel when listening to music is called "musical frisson."
18
When withdrawing money from an ATM, the 'whirring' sound before your money pops out is actually a recording. The actual mechanism is so far back that you can't hear it.
282
The face of a penny can hold about thirty drops of water.
85