Coral reefs are not just beautiful: they are also home to overa quarter of all marine life and are crucial to human societiesaround the globe. But as the climate changes and oceanicheatwaves become commonplace, corals are bleaching, and reefsare dying off. Now, marine biologists worldwide are teaming upto counteract this catastrophe with a technique called assistedevolution. Follow scientists as they attempt to crossbreedheat-resistant corals and even transplant corals' algae in arace to save the coral reefs from extinction.
