Aluminum used to be more valuable than gold!
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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 earth is approx. 6,588,000,000,000,000,000 tons.
175
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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In the 1950s, the US government placed beer next to an atomic bomb blast to determine if it was still drinkable. The result: in the event of a nuclear war, beer is safe to drink!
16
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
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In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
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