The race is on to save coral reefs—by freezing them
As sweltering ocean temperatures make graveyards of coral reefs across the Caribbean and beyond, a team of scientists is scrambling to cool corals down. Way down. To -200 °C. The Coral Biobank Alliance, helmed in part by Smithsonian Conservation Biology Institute biologist Mary Hagedorn, aims to cryopreserve or otherwise keep in captivity the roughly 1,000…