Scientists Found "Kryptonite"

Serbian geologists unearthed a mineral shares virtually the same chemical composition as the fictional kryptonite from outer space, used by the superhero's nemesis Lex Luther to weaken him in the film "Superman Returns". "We will have to be careful with it -- we wouldn't want to deprive Earth of its most famous superhero!," said Dr Chris Stanley, a mineralogist at the Natural History Museum.

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