As global warming threatens corals, scientists search for reefs that can take the heat

Researchers say these coral strongholds may help repopulate more degraded reefs. https://arstechnica.com/science/2026/06/as-global-warming-threatens-corals-scientists-search-for-reefs-that-can-take-the-heat/?utm_brand=arstechnica&utm_social-type=owned&utm_source=mastodon&utm_medium=social