The Ottawa Historical and Scouting Heritage Museum has a permanent exhibit dedicated to the young women who used radium paint on watch faces in the early 1900s while employed by ...

and by products formed by the decay of radium (Radium 226) and thorium present in many sorts of rocks, other building materials and in the soil. By far the largest source of natural radiation exposure ...

For some children it’s dinosaurs, for others trains or mermaids. For me it was rocks. I can pinpoint the moment exactly. I ...

The hundreds of young women who worked in watch factories throughout the 1920s were exposed to so much radium that they used ...

Of the 4 persons with an average weekly exposure above 20 mr, 2 were radium workers, 1 was a dental technician, and the fourth was a resident physician who, early in his training, handled ...

Curie not only discovered radium, she realised what it could be ... almost certainly caused by her experiments and repeated exposure to X-rays on the battlefields of France. She was buried in ...