Aluminum used to be more valuable than gold!
84
The only letter not appearing on the Periodic Table is the letter "J".
180
Sound travels fifteen times faster through steel than through air.
134
Most dust particles in your house are made from dead skin!
67
Pumice is the only rock that floats on water.
14
The gas that gives rotten eggs their distinctive foul smell may slow ageing and block damaging chemical reactions inside cells, according to scientists in China.
5
There is a surgical implant being developed that will give you an orgasm at the touch of a button.
20
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79