There will be a special seminar in the Biology Department next Thursday, April 18, at 2:00 pm in Duffy 204. Dr. Andrew Medeiros will be speaking on "The use of aquatic invertebrates as indicators of environmental change in the Arctic." Dr. Medeiros is a W. Garfield Weston Postdoctoral Fellow at WLU. His research encompasses both the water chemistry and biology of Arctic lakes. Sharon Martin, Administrative Assistant Biology Department and Environmental Studies Program phone: 902-566-0301 upei.ca/biology