Gerty alongside her husband Carl discovered how the mechanism by which Glycogen is broken down in muscle tissue into lactic acid. It is then synthesized in the body and stored as a source of energy.
Founded Paleneurology. Examined fossilized skulls and considered what these bones might tell researches about their ancient brains. She map structures of extinct animals and connected them to brain functions.
Joliot-Curies made the discovery that radioactive elements can be artificially produced from stable elements.
Developed a concept for a procedure that would extend the lives of babies that suffered from anoxemia which meant that the baby got to much blood in their lungs which would turn them blue.