Terry Devitt editor Yael Gen designer Joe Kallenberger design intern Darrell Schulte webmaster David Tenenbaum feature writer Amy Toburen content development advisor Susan Trebach team leader

* Randall Davis professor of marine biology Texas A&M University at Galveston   * Scott Elias research fellow Institute for Arctic and Alpine Research at the University of Colorado   * Michael Ledbetter director, arctic system science program National Science Foundation   * Allen McCartney department of anthropology University of Arkansas * denotes factchecker