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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Scientists are now able to grow 'beating' heart tissue in a lab!
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Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
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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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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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Airports that are at higher altitudes require a longer airstrip due to lower air density.
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The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
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