Marie Curie coined the word ‘radioactivity’, discovered the elements radium and polonium, and won Nobel Prizes in physics and chemistry. But did she ever do Kegels? We’re pretty sure this counts as a feminist question, so here you go: five grainy, dour photographs of Marie Skłodowska Curie where there’s like a 30% chance she’s silently strength-training the hell out of her pelvic floor muscles. If this isn’t feminist, we apologize. But it is…right?