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National News

RESTRICTED -- To Map a Coral Reef, Peel Back the Seawater

An undated handout photo shows Greg Asner, director of Arizona State University’s new Center for Global Discovery and Conservation Science, during a dive. Asner and his wife, Robin Martin, a biochemist and remote-sensing expert at Arizona State, created an airborne observatory to map tropical forests. Now they’re using it to identify threatened reefs. (Rick Miskiv via The New York Times) -- NO SALES; FOR EDITORIAL USE ONLY WITH NYT STORY SCI REEFS MAPPING BY PAUL TULLIS FOR JUNE 10, 2019. ALL OTHER USE PROHIBITED. --