My Great-Great-Aunt Discovered Francium. And It Killed Her.
75 years ago, Marguerite Perey unearthed an element while working as a technician in Marie Curie’s lab. Her achievement came at a great cost.
75 years ago, Marguerite Perey unearthed an element while working as a technician in Marie Curie’s lab. Her achievement came at a great cost.
