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A medical team at Xijing Hospital of the Air Force Medical University in Xi’an, China, surgically connected a man with liver failure to an external, genetically…

A corroboree frog is tested for chytrid fungus. Introducing genetic changes to these frogs could help to make them more resistant to infections.Credit: James Cook UniversityThe…

Researchers converted a kidney with type-A blood to type-O.Credit: Sherry Yates Young/Science Photo LibraryScientists have converted the blood type of a donor kidney and transplanted the…