Any orthodontic department in the United States can nominate one of its students for the award.Winner will receive more than $10,000 worth of products, services, and travel expenses from American Orthodontics, JCO, and Dolphin.Application deadline is October 23.
Rhodonite is found in deposits mainly in Australia, Brazil, British Columbia, India, Japan, Madagascar, Mexico, New Zealand and the United State in Alaska, California, Montana, New Jersey, New Mexico, North Carolina and Washington state. Rhodonite is a stone of grace and elegance.
What's in a name? Named for the element Radium. Say what? Radon is pronounced as RAY-don. History and Uses: Radon was discovered by Friedrich Ernst Dorn, a German chemist, in 1900 while studying radium's decay chain. Originally named niton after the Latin word for shining, nitens, radon has been known as radon since 1923. Today, radon is still primarily obtained through the decay of radium. At normal room temperatures, radon is a colorless, odorless, radioactive gas. The most common forms of radon decay through alpha decay.