New species discovered by UMD's Blue Heron — in the ship itself

New species discovered by UMD's Blue Heron — in the ship itself

DULUTH — The Blue Heron, the University of Minnesota Duluth’s research vessel, typically ferries scientists and their research projects around the Great Lakes. But its most recent scientific discovery came from inside the ship. When the propeller shaft on the 86-foot-long former Atlantic Ocean fishing boat began making an odd sound last year, the ship, built in 1985, was pulled from Lake Erie for repairs at the Great Lakes Shipyard in Cleveland,…