Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
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Nylon is made from coal and petroleum.
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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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It takes a photon 170,000 years to travel from the core of the Sun to the surface, but only 8 minutes to travel the rest of the way to Earth.
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The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
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The earth is approx. 6,588,000,000,000,000,000 tons.
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Most dust particles in your house are made from dead skin!
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