Heat-tolerant algae could save coral reefs from warming seas
Coral reefs under threat from rising ocean temperatures could be saved by training algae to become more tolerant of warmer waters, a study has found.
Corals turn white in a process known as bleaching when a rise in water temperature causes them to expel the colourful algae that live in their tissue and supply most of their nutrition.
The Great Barrier Reef off Australia lost about half its corals after heatwaves in 2016 and 2017 caused mass bleaching. Scientists reported last month that...
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