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Slice of History

A slice through the center of a long-dead brain coral is a slice through human and ocean history. This 1,000-pound coral grew near Bermuda for 200 years. WHOI Research Associate Anne Cohen and fellow scientists are analyzing coral skeletons to decipher ocean temperatures as recorded in the rock-like layers during its lifespan. (Photo by Tom Kleindinst, Woods Hole Oceanographic Institution)