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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The inventor of the Super Soaker squirt gun was a NASA Scientist who also helped develop the Stealth Bomber and the Galileo mission to Jupiter.
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In zero gravity, a candle's flame is round and blue.
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The bark of an older redwood tree is fireproof.
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Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
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A 'jiffy' is an actual unit of time for 1/100th of a second!
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Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
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During photosynthesis, plants emit light humans can’t see, but NASA can see that light from space - and they've even made maps of it!
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