The Red Sea is the hottest, and saltiest sea on earth, but vibrant, healthy coral reefs thrive here. Researchers want to understand what makes these corals so resilient, as it could unlock how to saving threatened reefs around the world. In other regions, climate change is causing abnormally high ocean temperatures and increased acidification, both of which are damaging many large coral reefs. Coral reefs provide refuge and food for the majority of ocean life, so saving them is a top priority in