Marquette, Mich.--Kyla Iwinski, a master's degree candidate at Northern Michigan University, will present the next NMU biology seminar on Friday, Nov. 8. Her talk is titled "The Use of an Anionic Polyacrylamide Blend to Control the Cyanobacteria Microcystis aeruginosa." It begins at 4 p.m. in Mead Auditorium in the West Science Building. The public is invited.