Tutankhamun's blade made from a meteorite

Ever since it was discovered wrapped in the folds of Tutankhamun's mummy in 1925, an ancient Egyptian dagger has puzzled historians. How did the boy pharaoh's craftsmen make an iron blade of such quality that it survived more than 3,000 years inside a sarcophagus without turning to rust?
Scientists have now reached an extraterrestrial answer: the dagger was forged from the metal of a fallen meteorite. A team of Egyptian and Italian researchers used X-rays to analyse the iron in the knife and discovered high amounts of nickel and a similar makeup to the iron found in crashed meteorites.
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