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
Cold water weighs more than hot water.
93
The earth is approx. 6,588,000,000,000,000,000 tons.
175
Most dust particles in your house come from dead skin.
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Sound at the right vibration can bore holes through a solid object.
134
The bark of an older redwood tree is fireproof.
65
German chemists made a replica of a trophy the size of one molecule.
68
4.5 pounds of sunlight strike the Earth each day.
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