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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Airports that are at higher altitudes require a longer airstrip due to lower air density.
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Sound travels fifteen times faster through steel than through air.
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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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Scientists are attempting to create a synthetic brain by reverse-engineering the mammalian brain down to the molecular level. A cellular human brain is predicted possible by 2023. It hopes to shed light on consciousness.
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German chemists made a replica of a trophy the size of one molecule.
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Billions of neutrinos pass unnoticed through your body every second.
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