The chlorine smell in swimming pools is accentuated by the chemical's reaction with impurities (like poop.)
7
Like fingerprints, everyone's tongue print is different.
250
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
Babies who wear disposable diapers are five times more likely to develop diaper rash than those that wear cotton diapers.
39
It's impossible to sink in the Dead Sea without equipment!
72
A portion of the water you drink has already been drunk by someone else, maybe several times over.
170
There are approximately three million shipwrecks on the ocean floor, worth billions in value and treasure.
22