Marie Curie theory of "radioactivity" (a term that she coined), techniques for isolating radioactive isotopes, and the discovery of two elements, polonium and radium. Under her direction, the world's first studies into the treatment of neoplasms were conducted using radioactive isotopes. She founded the Curie Institutes in Paris and in Warsaw, which remain major centres of medical research today. During World War I, she developed mobile radiography units to provide X-ray services to field hospitals. While a French citizen, Marie Skłodowska Curie, who used both surnames, never lost her sense of Polish identity. She taught her daughters the Polish language and took
Marie Curie High School Vietnam, with around 5000 students in regular attendance. In 2007, it became a public high school. Marie Curie High School Marie Curie High School (French: "Lycée Marie Curie", Vietnamese: "Trường Trung học Phổ thông Marie Curie") is a public high school in District 3, Ho Chi Minh City, Vietnam. Established in 1918 and named after the Nobel prize-winning scientist Marie Curie by the French colonial government, it remains the sole high school in Saigon that still bears its original name. Founded in 1918 as an all-girls school, it began accepting boys in 1970. In 1997, it was turned into a