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Pictures | Tue Dec 20, 2022 | 1:25pm EST

Scientists freeze Great Barrier Reef coral in world-first trial

Senior research scientist at Smithsonian National Zoo And Conservation Biology Institute, Mary Hagedorn works with modern-mesh technology in liquid nitrogen at the Australian Institute Of Marine Science in Townsville, Australia December 14, 2022. REUTERS/Jill Gralow

Senior research scientist at Smithsonian National Zoo And Conservation Biology Institute, Mary Hagedorn works with modern-mesh technology in liquid nitrogen at the Australian Institute Of Marine Science in Townsville, Australia December 14, 2022....more

Senior research scientist at Smithsonian National Zoo And Conservation Biology Institute, Mary Hagedorn works with modern-mesh technology in liquid nitrogen at the Australian Institute Of Marine Science in Townsville, Australia December 14, 2022. REUTERS/Jill Gralow
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Senior research scientist at Smithsonian National Zoo And Conservation Biology Institute, Mary Hagedorn and Taronga Conservation Society scientist Jonathon Daly observe coral before it is expected to spawn, at the Australian Institute Of Marine Science in Townsville, Australia December 12, 2022. REUTERS/Jill Gralow

Senior research scientist at Smithsonian National Zoo And Conservation Biology Institute, Mary Hagedorn and Taronga Conservation Society scientist Jonathon Daly observe coral before it is expected to spawn, at the Australian Institute Of Marine...more

Senior research scientist at Smithsonian National Zoo And Conservation Biology Institute, Mary Hagedorn and Taronga Conservation Society scientist Jonathon Daly observe coral before it is expected to spawn, at the Australian Institute Of Marine Science in Townsville, Australia December 12, 2022. REUTERS/Jill Gralow
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A view of coral larvae on modern-mesh, technology designed Dr. Zongqi Guo and Nikolas Zuchowicz at the University of Minnesota College of Science and Engineering, at the Australian Institute Of Marine Science in Townsville, Australia December 14, 2022. REUTERS/Jill Gralow.

A view of coral larvae on modern-mesh, technology designed Dr. Zongqi Guo and Nikolas Zuchowicz at the University of Minnesota College of Science and Engineering, at the Australian Institute Of Marine Science in Townsville, Australia December 14,...more

A view of coral larvae on modern-mesh, technology designed Dr. Zongqi Guo and Nikolas Zuchowicz at the University of Minnesota College of Science and Engineering, at the Australian Institute Of Marine Science in Townsville, Australia December 14, 2022. REUTERS/Jill Gralow.
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Research volunteers collect coral spawn from Great Barrier Reef coral, at the Australian Institute Of Marine Science, Sea Simulator in Townsville, Australia December 12, 2022. REUTERS/Jill Gralow

Research volunteers collect coral spawn from Great Barrier Reef coral, at the Australian Institute Of Marine Science, Sea Simulator in Townsville, Australia December 12, 2022. REUTERS/Jill Gralow

Research volunteers collect coral spawn from Great Barrier Reef coral, at the Australian Institute Of Marine Science, Sea Simulator in Townsville, Australia December 12, 2022. REUTERS/Jill Gralow
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FILE PHOTO: Assorted reef fish swim above a staghorn coral colony as it grows on the Great Barrier Reef off the coast of Cairns, Australia October 25, 2019. REUTERS/Lucas Jackson/File Photo

FILE PHOTO: Assorted reef fish swim above a staghorn coral colony as it grows on the Great Barrier Reef off the coast of Cairns, Australia October 25, 2019. REUTERS/Lucas Jackson/File Photo

FILE PHOTO: Assorted reef fish swim above a staghorn coral colony as it grows on the Great Barrier Reef off the coast of Cairns, Australia October 25, 2019. REUTERS/Lucas Jackson/File Photo
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