Final answer:
Marie Curie had two children - Irene and Eve. She made significant contributions to science and received Nobel Prizes in Physics and Chemistry.
Step-by-step explanation:
Marie Curie had two children, Irene, who was 9 years old at the time of her father's death, and Eve, who was 2 years old. After Pierre Curie's death, Marie continued her research and made significant discoveries, including identifying a new element called Polonium. In recognition of her groundbreaking work, Marie Curie received Nobel Prizes in both Physics (shared with Pierre Curie and Henri Becquerel in 1903) and Chemistry (in 1911).