The chlorine smell in swimming pools is accentuated by the chemical's reaction with impurities (like poop.)
7
Passengers on the Beijing subway can pay with plastic bottles.
29
If you get water flowing fast enough, it can cut metal.
354
The harder you concentrate on falling asleep, the less likely you are to fall asleep.
34
If you flip a coin ten times, the odds against its coming up with the same side showing each time are 1,023 to 1.
39
Anuptaphobia is the fear of staying single.
11
Fine-grained volcanic ash can be found as an ingredient in some toothpastes.
55
Q-Tip Cotton Swabs were originally called Baby Gays.
55