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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Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
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Scientists in Germany have developed a candy that doesn't cause cavities.
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The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
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Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
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German chemists made a replica of a trophy the size of one molecule.
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The average home creates more pollution than does the average car.
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Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
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