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Amazon S3 on MSNThe 7 Most Expensive Substances In The WorldUsually, what springs to mind when you think of the world’s most expensive substances are gold, silver, and platinum. However ...
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What's the most expensive metal worth 27 million euros a gram?This metal, synthesised for the first time in 1950 at the University of California at Berkeley, is the most expensive metal on the planet: 27 million euros per gram. Californium is a silvery-white ...
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