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 Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
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A single speck of dust is half way in size between a subatomic particle and the Earth.
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The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
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Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
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If the chemical sodium is dropped into water it will immediately and violently explode.
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MIT has developed a camera that captures the speed of light at a trillion frames per second.
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Because heat expands the metal, the Eiffel Tower always leans away from the sun.
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