You'll never see it without a microscope but a newly-documented species calls Outer Island home. And it's named for a retired water quality specialist from the Great Lakes Inventory and Monitoring Network division of the National Park Service. We're talking about a microscopic species of algae, Semiorbis eliasiae, named after Joan Elias, of the Great Lakes Network. These diatoms have ornate cell walls made of opaline silica, or biologically-produced glass. When the diatoms die, these skeleton-like fragments settle to the bottom of shallow lagoons, including a lagoon on Outer Island, in the...