The chlorine smell in swimming pools is accentuated by the chemical's reaction with impurities (like poop.)
7
You can hear the blood flowing through your ears if you find a quiet place and cover them tightly.
19
The best diamonds are colored blue-white.
80
It has been calculated that every 2 minutes, we take more pictures than all of humanity in the 19th century.
13
85% of all Valentine's Day cards are purchased by women!
38
Hong Kong has more Rolls Royces per person than anywhere else in the world.
32
An Australian study found that homework is of little to no academic value to students in elementary and junior high schools.
32
Not swinging your arms when you walk increases the effort of walking by 12%, the equivalent of walking 20% faster or carrying a 10 kg backpack.
12