Most dust particles in your house are made from dead skin!
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Sound travels about 4 times faster in water than in air.
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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.
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In the 1950s, the US government placed beer next to an atomic bomb blast to determine if it was still drinkable. The result: in the event of a nuclear war, beer is safe to drink!
16
One cubic foot of gold weighs more than 1,200 pounds!
78
Hot water can freeze faster than cold water.
181
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
MIT has developed a camera that captures the speed of light at a trillion frames per second.
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