Three post-doctoral fellow positions available immediately for studying chemical mechanisms for the interaction of hydrogen sulfide (H2S) with biomolecules (Nat Rev Drug Discov. 14:329, 2015; Science. 322:587, 2008; EMBO J. 20:6008, 2001). Candidates must have excellent academic background and research record in Inorganic Chemistry and/or Organic Chemistry, interested in exploring H2S chemistry to make quantum advance in H2S biology and medicine and in developing new detection technologies and H2S-based new compounds, and within 3 years of receiving their PhD degrees. Email CV, one-page statement of research interests and career goals, and names of 3 references to: Dr. Rui Wang, Vice-president Research, Laurentian University, Sudbury, Ontario, Canada (email: rui.wanglaurentian. ca).