Artificially evolved enzyme could protect us against nerve gas attacks

Evolution is generally regarded as pretty good at specializing species for certain ecological niches, but with a glacial pace of adaptation, sometimes it needs a helping hand. Meet the team of the Weizmann Institute of Science in Israel, who decided they wanted to beef up the paraoxonase 1 (PON1) to the point it could… » 4/19/12 9:20am 4/19/12 9:20am