Galalith is a type of plastic that can be made from milk. It is odourless, insoluble in water, biodegradable, anti-allergenic, antistatic, and virtually non-flammable.
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Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
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Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
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Iron weighs more after it rusts.
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For a high school science fair project, 17-year-old Michio Kaku built a particle accelerator in his parent's garage that was able to generate a magnetic field 20,000 times greater than the Earth's and produce collisions powerful enough to create antimatter.
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In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
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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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