The discovery of radon is attributed to Friedrich Dorn (), a German physics teacher. Marie Curie's experiments promoted Dorn to begin researching the sensation of radioactivity. In 1900, he showed that radium released a contaminated gas th…

He left message on my answering machine on a Friday that something was wrong, yet I needed to wait till Monday to figure out they had found a small lump in my lung. Not knowing exactly how radon testing knoxville tn on the planet I can hav…