The University of Missouri has put on hold its plans to demolish radium-contaminated Pickard Hall while it conducts more ...

Tritium operates under the same chemical principles as radium — the material undergoes decay, releasing electrons that trigger zinc sulfide to glow. Tritium, however, is significantly less radioactive ...

The Radium is one of the most radioactive chemical elements (symbol Ra and atomic number 88), 1000 times more radioactive than Uranium. Its most stable isotope, Ra-226, has a half-life of 1602 ...

Salesmen (and the press) learned that tonics labeled ”radium,” once the most expensive substance on Earth, flew off the shelves. Meanwhile, scientists scrambled to learn what the radioactive material ...

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 ...

As detailed in "Radium Girls," women working with radioactive paint in factories were instructed to lick their brushes, unaware of the toxic materials they were ingesting.