DULUTH, MN (KDAL) - The Great Lakes Aquarium in Duluth and Minnesota Sea Grant is inviting the public to participate in the Gustavus Adolphus College Nobel Conference "Our Global Ocean" lectures as they are streamed live to the Aquarium on Tuesday and Wednesday.  World renowned researchers will be speaking on the topic and Minnesota and Wisconsin scientists will be on hand to explain how the Nobel lecturers' work relates to the Great Lakes.  The lectures are free but pre registration is required.  Register or get more information at glaquarium.org