Which scientific advancement is Madam Curie known for contributing to?

Madame Curie is best known for her groundbreaking research on radioactivity, a term she coined. Her work significantly advanced the field of physics and chemistry, particularly through the discovery of the radioactive elements polonium and radium. While the development of X-rays is often associated with other scientists, such as Wilhelm Conrad Röntgen, Curie's contributions laid the groundwork for further advancements in medical applications of radiation, including the use of X-rays in treatments.

Her research not only advanced scientific knowledge but also had profound implications in medicine, particularly in cancer treatment, showcasing the importance of radiation in therapeutic contexts. Thus, the selection relating to X-rays connects to the broader impact of her work in radiation on medical technology.