An undated photo from the 1980s, of two teenagers stepping on rocks and wooden planks on Coldwater Creek. The photo is from a scrapbook kept by Sandy Delcoure, who lived on Willow Creek in Florissant ...

LITTLE ROCK -- At issue are glow-in-the-dark signs that contain tritium, a hydrogen isotope with a radioactive strength similar to that of material in many smoke alarms. The Nuclear Regulatory ...

WASHINGTON (CN) - Tritium "EXIT" signs, which have tubes that glow in the dark for up to twenty years without electricity or batteries, are radioactive and should not go in the regular trash when ...

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This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. FLORISSANT, Mo. – Florissant residents could ...

Sarah Loughran receives funding from The National Health and Medical Research Council of Australia (NHMRC). She is the Director of Radiation Research and Advice at the Australian Radiation Protection ...