Athletes at Rio Olympics Face Advanced Antidoping Technology

This article originally appeared in Chemical and Engineering News and is reprinted with permission of the American Chemical Society.   By Sarah Everts   Turkish weight lifter Sibel Özkan was recently stripped of the silver medal she won at the 2008 Beijing Olympic Games after retesting showed that she had doped. Credit: Newscom   Athletes currently attending the Summer Olympics in Rio de Janeiro may eventually face a new kind of doping test: one that checks whether they have rece