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University of Minnesota Duluth

  • The R/V Blue Heron, a research vessel operated by the University of Minnesota Duluth’s Large Lakes Observatory. The ship takes research across the Great Lakes each summer to collect samples. (credit: University of Minnesota Duluth)
    A Curious Case of Goo
    Ellie Katz
    After a boat captain notices strange black goo on his ship’s rudder, he scoops some of it into a cup. A few months later, that cup ends up in a lab, where scientists make a surprising discovery.