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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Sound travels fifteen times faster through steel than through air.
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Out of all the senses, smell is most closely linked to memory.
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Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
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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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The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
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Neanderthal man had a brain capacity 100cc larger than modern man's.
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According to scientists, the color of the cup that we're drinking from can alter our perception of the actual taste of the drink.
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