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

https://media.wired.com/photos/654ecb4d24249dcd005cee49/master/pass/cryopreserved-coral-Science-Alamy-ACK2E5.jpg

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

https://www.wired.com/story/cryofreezing-corals-learning-how-to-wake-them-up/