On average, the life span of an American dollar bill is eighteen months.
33
When someone looks at a new love, the neural circuits that are usually associated with social judgment are suppressed.
130
The world’s smallest book, “Teeny Ted from Turnip Town”, is 100×70 micrometers in size and requires a scanning electron microscope to read, as light beams are too large.
6
The chlorine smell in swimming pools is accentuated by the chemical's reaction with impurities (like poop.)
7
Caffeine boosts memory.
405
In a year approximately 900 million trees are cut down to make the raw materials needed for American pulp mills and paper.
-16