A lot has changed in the 90 years since Marie Curie’s death, but one thing that hasn’t is the status of her notebooks — they’re still radioactive. Not having the benefit of hindsight despite being one of the 20th century’s most pioneering scientists, Curie was known to store radioactive elements out in the open, in part because she enjoyed how they “looked like faint, fairy lights.” She even walked around her lab with them in her pockets.
Consequently, her clothes, furniture, and even cookbooks are also radioactive, and will be for the next 1,500 years. In order to be as safe as possible with her remaining materials, France’s national library stores Curie’s notebooks in lead-lined boxes to this day, and anyone…
