Meyer had written to Irène Joliot-Curie suggesting that Rona work with her to learn how his laboratory could make their own polonium samples. Once Hans Pettersson was able to secure funds to pay Rona's expenses, Joliot-Curie allowed her to come and study polonium separation at the Curie Institute in Paris. Rona developed an enhanced method of preparing polonium sources and producing alpha-emissions. Gaining recognition as an expert in the field, she took those skills back to the Radium Institute along with a small disc of polonium. This disc allowed Rona to create lab specimens of polonium, which were used in much of the Institute's subsequent research. During the 2013 off-season she appeared on CTV Montreal as a guest weather anchor. She next faced defending champion and top seed