Background. Aseptic meningitis is an illness characterized by serous inflammation of the linings of the brain (i.e., meninges), usually with an accompanying mononuclear pleocytosis. Clinical manifestations vary, with headache and fever predominating.
Lake Superior 1  ... is the largest freshwater lake in the world by surface area and the third largest by volume (Lake Baikal in Siberia and Lake Tanganyika in East Africa contain more water). 2  could hold all the water in the other Great Lakes, plus THREE MORE Lake Eries. 11,000 years ago: Glacial Lake Duluth, the precursor to Lake Superior, forms as the ice sheet retreats northeastward. 2  The lake's torrential outflow near present-day Duluth carves the St. Croix River Valley and feeds the Mississippi River.
Lake Superior -The World's Greatest Lake Baffles Scientists July 31, 2007 A strange and disturbing phenomena is happening along the magnificent 120-mile Hiawatha Water Trail that follows the southern shoreline of mighty Lake Superior, one of the world's greatest remnants of the last Ice Age: the water level is dropping and its temperature is rapidly heating up, baffling scientists.