April 1, 2008 - MPR’s Bob Kelleher reports that there are urgent new efforts to keep a virus that's deadly to many kinds of fish out of Lake Superior. The disease, known as VHS, has quickly spread through the other Great Lakes. Minnesota officials say if it reaches Lake Superior, VHS could jump to inland waters and devastate the state's fishing industry.
April 22, 1988 - MPR’s Jim Neumann reports on wolf and moose research on Isle Royale. While scientific observations of wolves on the large Lake Superior island has taken place for years, for the first time scientists will physically study wolf health conditions in an effort to figure out if wolf population on island is sustainable.