Blog Post Image: Ancient shark teeth give clues to future of Arctic climate change

This map and the inset show the location of Banks Island and Aulavik National Park, which ajoins the western Artic Ocean. Jaelyn Eberle of the University of Colorado, Boulder, has led multiple expeditions into the region, where she has recovered abundant fossil sharks teeth from a coastal site in the park. Image courtesy of Jaelyn Eberle (Click image to enlarge)

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