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American inventor Mary Kenner spent her life inventing objects that made everyday tasks easier for people. To mark her birthday, Assistant Curator Rebecca Raven explores her life and work, including the invention of the sanitary belt, which played an important but overlooked role in the development of menstrual products.

Science Museum volunteer Dr. Robin Hiley explores the story of Marguerite Perey, the chemist who discovered the element Francium and was the first woman to be elected to the prestigious French Académie des Sciences.

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