Even in death, Marie Curie’s body held a secret: it remained radioactive, requiring a special lead-lined coffin for ... often handled radioactive materials with little to no protection ...

Syringes for injections of radioactive materials into animals are prepared in 50 - 200 ... Prior to, and after injections, the syringes are kept in a lead container to minimize dose. The animals are ...

Thorium is the most abundant radioactive material on Earth, but it eventually turns into lead. The half life, however, is just over 14 billion years, so your lenses probably won’t turn to lead ...