Brass doorknobs automatically disinfect themselves in about 8 hours.
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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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In zero gravity, a candle's flame is round and blue.
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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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There is a surgical implant being developed that will give you an orgasm at the touch of a button.
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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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Neanderthal man had a brain capacity 100cc larger than modern man's.
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Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
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