<span>Among the most outstanding achievements of Marie and Pierre Curie are: </span><span>1. Discovered the elements of Polonio and Radio. </span><span>2. They discovered and coined the term radioactivity to refer to the energy produced by the elements they discovered. </span><span>3. Identify the radioactive properties of thorium and uranium elements. </span><span>4. Maria Curie founded the medical research institute Marie Curie in France. </span><span>5. Development of portable radiology units for medical use during the First World War. Marie Curie, whose maiden name was Marie Sklodowska, was born in Poland in 1867. </span><span> </span><span>She studied mathematics, physics, and chemistry in Paris and was the first French woman to receive a doctorate degree. For her contributions to science, she won a Nobel prize in physics and one in chemistry is the first woman to win a Nobel prize and the only person who has won a Nobel in two different scientific areas. Piere Curie was a French physicist known for his work with Marie Curie that led to the discovery of radioactivity and two new chemical elements. </span> I hope this information can help you. <span />