Canada’s top high school chemistry students will represent the nation at the 45th International Chemistry Olympiad July 15-24, 2013 in Moscow, Russia. The Canadian competitors are: Sabrina Ge of University of Toronto Schools, Toronto; David Pechersky, Vaughan Secondary School, Vaughan Ont.; Isabelle Yang, Don Mills Collegiate Institute, Toronto; and Ji Sup Kim, Yale Secondary School, Abbotsford, B.C.