Scientists Have Been Freezing Corals for Decades. Now They're Learning How to Wake Them Up

Deep-frozen corals, cryopreserved in the hope of restoring ocean ecosystems, are growing up. Could the futuristic technique eventually save dying reefs?

Scientists Have Been Freezing Corals for Decades. Now They're Learning How to Wake Them Up
Deep-frozen corals, cryopreserved in the hope of restoring ocean ecosystems, are growing up. Could the futuristic technique eventually save dying reefs?