Earth & Environment

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black sea

SUFFOCATING SEA  The Black Sea lost 36 percent of its oxygen from 1955 through 2013, new research finds. The sea’s oxygen-rich surface water insulates the atmosphere from toxic deep waters.

hunchbacked conch

GREAT JUMPING GASTROPODS  Small conchs that jump away from danger oxygenate their athletics surprisingly well under stressful conditions.

fire coral

BEFORE AND AFTER  Healthy coral are full of color, like the fire coral seen on the left. But stressors, including overly warm ocean water, cause symbiotic algae to abandon coral tissues, bleaching them (right).  

Earth & Environment

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