In a pioneering experiment, doctors in China successfully transplanted a genetically modified pig lung into a brain-dead patient, marking a significant step in xenotransplantation research despite challenges in organ rejection.
Three genetically engineered wolf pups resembling extinct dire wolves are now in the U.S. as part of a controversial project by Colossal Biosciences. While they look the part, experts caution that true revival of these ancient creatures remains out of reach.
