She changed science forever — and even in death, her legacy still glows. Marie Curie, the only person ever awarded Nobel Prizes in both Physics and Chemistry, rests alongside her husband and scientific partner, Pierre Curie, in the Panthéon in Paris — France’s highest honor for national heroes. But her tomb is unlike any other. Lined with 2.5 millimeters of lead, it shields visitors from radiation — a powerful reminder that Marie’s body remains radioactive after decades, a consequence of her gro