Do you enjoy performing experiments or studying how the universe works? Growing up in China, Chien-Shiung Wu enjoyed learning about science. As an adult, she earned her PhD in physics and made a discovery that changed the field forever. Wu came to the United States to study physics. Soon she was a sought-after physics professor. As an expert in the field, she left teaching to work on secret government programs. She even helped disprove a major law of physics. But how did she get there? Find out how Wu's persistence drove her contributions in the field of physics.