As ocean temperatures in the Great Barrier Reef reach their hottest for 400 years, there is new hope that it may be possible to adapt coral to make it climate resilient. As the quality of the reef continues to decline, scientists are becoming more and more worried for its future, as they try to think of new ways to save it. In Perspective, we spoke to Dr Line Bay, research program director for the Reef Recovery, Adaptation and Restoration Programme at the Australian Institute of Marine Science.