2 p.m., $30 – Ottawa Wind Ensemble @ Tabaret Hall (UOttawa), Music & Beyond, 5 p.m., free – Thirteen Strings w/ Claire de Sevigne @ Dominion-Chalmers United Church, Music & Beyond, 7:30p.m., $30 – Said the Whale @ Neat Coffee. E-mail: [email protected] Mercury (Hg) is an anthropogenic pollutant that is toxic to wildlife and humans, but the response of remote ecosystems to globally distributed Hg is elusive. Here, we use…