The winter study of the wolves and moose on Isle Royale is heading into its 59th year. The wolf-moose study is the longest running study of any predator and its prey in the world. Scientists from Michigan Tech spend several weeks on the island in the middle of winter every year. They'll be heading back out soon. At one point in the 1980s, there were 50 wolves on the island. Last year, the researchers found there are just two wolves left, and they’re in rough shape. These wolves are father and