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Nature
Wrangling Rays to Solve a Scientific Mystery
Devil rays are fish with wing-like fins that stretch over nine-feet wide. Every summer, a large population gathers near the Azores, an island chain to the west of Portugal. Why they do so has puzzled scientists. By outfitting some of the rays with a specially-designed camera harness, the "Animals with Cameras" team helps scientists begin to unravel the mystery.
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