A single speck of dust is half way in size between a subatomic particle and the Earth.
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Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
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A cesium atom in an atomic clock beats over nine billion times a second.
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Pumice is the only rock that floats on water.
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A 'jiffy' is an actual unit of time for 1/100th of a second!
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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 are working on a portable spray-on-skin that can heal severe wounds in just a few minutes.The spray mainly contains important proteins that can reprogram the injured cells to become stem cells, and back to young uniformed skin cells. So far they were able to accelerate healing process from 12 weeks to 21 days with a similar approach.
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