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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Scientists aren't sure what color dinosaurs were.
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The storage capacity of human brain exceeds 4 Terrabytes.
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Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
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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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Iron weighs more after it rusts.
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