Curious Curie, you played with atoms as unstable as a shaky surgeon, elements as bad as Cain to Able. The isotopes you isolated glowed like a warning label, harming you even as they joined the periodic table. And yet, your inspiration’s led to novel therapies and may fulfill your wish and bring all cancers to their knees. Ra-di-o-ac-tiv-i-ty— the word cries, “Danger! Danger!” But now the very sun itself no longer is a stranger.