There are approximately three million shipwrecks on the ocean floor, worth billions in value and treasure.
22
Linen can absorb up to 20 times its weight in moisture before it feels damp!
46
You can hear the blood flowing through your ears if you find a quiet place and cover them tightly.
17
No piece of square dry paper can be folded more than 7 times in half!
26
Mentally doing a task makes you better at it. Your mind can barely tell the difference.
18
97% of all paper money in the US contains traces of cocaine.
93