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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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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Dr.Jonas Salk, the man who came up with the cure for polio, didn’t patent the drug. This made the drug more affordable to the general public, and he lost out an an estimated $7 billion dollars for himself.
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The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
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Neanderthal man had a brain capacity 100cc larger than modern man's.
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One third of the electricity produced on earth is used to power electric light bulbs!
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Because heat expands the metal, the Eiffel Tower always leans away from the sun.
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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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