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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MIT has developed a camera that captures the speed of light at a trillion frames per second.
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If you are locked in a completely sealed room, you will die of carbon dioxide poisoning first before you will die of oxygen deprivation.
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Your brain is 80% water.
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Nylon is made from coal and petroleum.
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A cubic yard of air weighs about 2 pounds at sea level.
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The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
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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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