Where does gold come from? – David Lunney

In medieval times, alchemists tried to achieve the seemingly impossible. They wanted to transform lowly lead into gleaming gold. History…

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7 Super Toxic U.S. Sites

♫ [intro] ♫ This is a beautiful and wonderful world but there are some places that you probably don’t wanna…

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What If We Detonated All Nuclear Bombs at Once?

Many of our viewers have asked us a very serious question:Many of our viewers have asked us a very serious…

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Different Sources of Energy, Using Energy Responsibly, Educational Video for Kids

kids educational games hi and thanks for joining me for this course the responsible use of energy I'm your host…

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