One ragweed plant can release as many as one billion grains of pollen!
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Sound travels fifteen times faster through steel than through air.
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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 Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
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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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Only 12,000 years ago there was a species closely related to modern humans called Homo floresiensis that had been living on an Indonesian Island. They used fire and rather advanced tools, yet were only about 3 feet tall and weighed around 25kg.
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The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
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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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