Science & technology | Reef-building
Some corals are better at handling the heat
Scientists are helping them breed
![At Australian Institute of Marine Science, scientist are trying to breed corals.](https://www.economist.com/cdn-cgi/image/width=1424,quality=80,format=auto/content-assets/images/20240518_STP001.jpg)
|Townsville
CORAL REEFS, home to about a quarter of all known marine species, face an existential threat. Rising water temperatures cause the corals to expel their resident photosynthetic algae, bleaching them white and depriving them of their major food source.
This article appeared in the Science & technology section of the print edition under the headline “Coral imperative”
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