It's impossible to kill yourself by holding your breath.
22
Linen can absorb up to 20 times its weight in moisture before it feels damp!
46
No matter its size or thickness, no piece of paper can be folded in half more than 8 times.
-64
On average, the life span of an American dollar bill is eighteen months.
33
The mile is Latin for 1,000. The number of paces it took the average Roman!
36
If you counted 24 hours a day, it would take 31,688 years to reach one trillion!
44
Caffeine boosts memory.
405
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