Nature World: A 10-year water-level cycle has been identified in Wisconsin's lakes, and researchers there were surprised to find that even the smallest lakes followed the same trend as gigantic lakes like Michigan and Huron.
"There was absolutely no reason for us to expect that our little lakes and lakes Michigan and Huron would act the same way, but they did," said Carl Watras, a research scientist with the Wisconsin Department of Natural Resources.
Wataras was part of a team of researchers the documented...