Pumice is the only rock that floats on water.
14
The sun is 330,330 times larger than the earth.
75
Diamonds can be shattered with a hammer.
-104
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
It takes a photon 170,000 years to travel from the core of the Sun to the surface, but only 8 minutes to travel the rest of the way to Earth.
6
Aluminum used to be more valuable than gold!
84
The earth is approx. 6,588,000,000,000,000,000 tons.
175
Pure water (H2O) does not conduct electricity on its own.
46