Marie Curie not only the first woman to have won a Nobel Prize, she is also the only person to win a Nobel Prize in two different sciences. Most notably, however, Marie Curie discovered radiation. She was also the first person to use radiation to treat tumors. Curie experimented extensively with radioactivity during her scientific career. Unfortunately the damaging effects of radiation were not known then. Her exposure to radiation most likely was the cause of her blindness and early death. Still today her scientific papers are considered too dangerous to handle without protective equipment. These documents are stored in lead-lined boxes. Even her cookbook is radioactive. She must have made some really hot food in her lifetime.