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Mobile Phones and Lightning a Lethal Mix 374

An anonymous reader writes "In a letter to the British Medical Journal, doctors wrote that people should not use mobile phones outdoors during thunderstorms because of the risk of being struck by lightning. Usually 'when someone is struck by lightning, the high resistance of the skin conducts the flash over the body in what is known as a flashover, but if a metal object, such as a phone, is in contact with the skin it disrupts the flashover and increases the odds of internal injuries and death.'"

Stone Age Dentists 219

morleron writes "Scientists have found evidence in Pakistan that the Stone Age had dentists. They used flint drills to remove cavities and attempt other tooth repair. No evidence as to whether or not the patients were conscious during the procedures."

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