Madonna and Bon Jovi are no match for Hawaiian flies when it comes to karaoke hits at the University of Nebraska State Museum in Lincoln. In a popular exhibit activity, visitors attempt to mimic the unique courtship calls of different species of Hawaiian Drosophila, a group of 800 different flies that may have evolved from a single species. Fly karaoke is part of "Explore Evolution," a permanent exhibit currently at Nebraska and five other museums in the Midwest and Southwest...that explores evolutionary concepts in new ways. Such an activity is a far cry from the traditional way science museums have...