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Prehistoric Shark Nursery Found at Illinois Nuke Plant

A 310-million-year-old shark nursery with fossilized shark babies and eggs has just been identified at a surprising spot: a nuclear power plant in Illinois.

January 7, 2014
12:00 PM EST
This long-snouted shark called Bandringa was one of the earliest close relatives of all modern sharks. | John Megahan, University of Michigan