Hope at the Reef: Corals Rely on New Roommates

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Drill cores of a Pacific expedition prove that corals can live in their tissues with different micro-algae. If the water becomes too hot, they layer their "cell gardens" to predict and shape the future, it often helps to look at the past – including corals. Tropical reefs are among the world's most diverse habitats, but climate change threatens their existence.How quickly will they adapt to the rising temperatures in the ocean?An international r…