The recent discovery of a new chemical in drinking water has alarmed scientists after a new study concluded it could potentially be toxic. The new research, published Nov. 21 in the Science journal, examines the potential impact of a previously unidentified chemical byproduct of chloramine that scientists have named "chloronitramide anion." Chloramine is formed by mixing chlorine and ammonia and is often used in municipal water treatment systems to kill viruses and bacteria. Approxima...