Toledo Blade: From the boat docks of Ohio State University's Stone Laboratory, practically a stone's throw from the party headquarters known as Put-in-Bay tiny green specs are in the early stages of bunching up and floating on Lake Erie's surface. It's been an all-too-familiar sight to Great Lakes scientists who use that lab, the oldest freshwater field station in the United States, since 1995. For the moment, they have no reason to panic. But they also know those tiny green specs are nature's way of putting...