PSU Department of Biology Seminars can be found here.
PSU Department of Chemistry Seminars can be found here.
The Oregon Museum of Science and Industry offers regular Science Pub Events, with talks on a variety of cutting edge research topics, including several on extreme organisms or enivronments.
10/15/13 Todd Rosenstiel will give a Mossy Science Pub, hosted by OMSI at the Mission Theater.
8/26/13 Ken Stedman will talk about "Viruses from Hell" at OMSI Science Pub.