The last woolly mammoths died out about 4,000 years ago, but if the folks at Colossal Biosciences have their way, a calf will be born by 2028. The last woolly mammoths died out about 4,000 years ago, but if the folks at Colossal Biosciences have their way, a calf will be born by 2028 With permafrost melting in the Arctic …
