The first household refrigerators cost about $16,000, in today's money!
47
It's impossible to kill yourself by holding your breath.
22
Less than 3% of the water produced at a large municipal water treatment plant is used for drinking purposes!
24
A portion of the water you drink has already been drunk by someone else, maybe several times over.
170
"Dysania" is the state of finding it hard getting up out of bed in the morning.
33
Speed dating was invented by a Rabbi in 1999.
45
More than 10% of the world's salt is used to de-ice American roads.
54
The key to happiness is spending your money on experiences rather than possessions, according to studies.
21