Sound travels fifteen times faster through steel than through air.
134
Diamonds can be shattered with a hammer.
-104
In zero gravity, a candle's flame is round and blue.
16
The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
17
The force of a suction cup is calculated using F=AP.
15
Nuclear power prevented an average of over 1.8 million deaths between 1971-2009 as a result of lower air pollution from reduced coal usage according to NASA.
5
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