Feature Earth Wildfire, Walleyes, and Wine Latest predictions for life in North America's changing climate Share this:FacebookTwitterPocketRedditPrintEmail By Susan Milius June 12, 2007 at 10:36 am This article is only available to Science News subscribers. Subscribers, enter your e-mail address to access our archives. Client key* E-mail* Log in Not a subscriber? Science News is a nonprofit. Support us by subscribing now. Subscribe