sciencehabit writes "In a new study, a team found that injecting mice with tiny magnets and cranking up the heat eliminated tumors from the animals' bodies with no apparent side effects. The nanoparticles heat up when a magnetic field is applied, and because they are only injected into tumors, only cancerous cells get fried. Researchers hope the technique, known as magnetic hyperthermia, could be used in cancer patients, obviating the need for chemotherapy and radiation."
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