It has been observed in a laboratory that this metal apparently breaks down, but much more slowly than radium. Of a given amount of uranium only a ten-thousand-millionth part decays in a year.

The wonder of Radium, a glowing treasure discovered by Marie Curie, blinded the world to its perils... and it quickly became ...

The period of radium is 1,760 years, and that of uranium 5,000,000,000 years. Now, since we know of no source whereby the supply of uranium in the earth is replenished, we must suppose that there ...

A more famous victim of radium was its discoverer, the double Nobel prize winner Marie Curie, born Maria Sklodowska. Working with her husband Pierre, Marie Curie was studying pitchblende, a mineral ...

The hundreds of young women who worked in watch factories throughout the 1920s were exposed to so much radium that they used to come home glowing in the dark. Then they found that the exposure caused ...