Pumice is the only rock that floats on water.
14
There is a Swedish religion called Kopimism whose sole tenet is that all knowledge should be available to everyone - and thus, using CTRL+C and CTRL+V are sacred acts.
2
In zero gravity, a candle's flame is round and blue.
16
People who have a strong friendship possess the ability to communicate with one another through facial expressions.
46
Real diamonds do not show up on x-ray.
36
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
Tabasco sauce is aged in barrels previously used for Jack Daniel's Tennessee Whiskey.
42