From PBS NewsHour.

Scientists believe they have genetically engineered an ancient, extinct species of wolf back into existence, or at least something quite close to it. The dire wolf has been extinct for over 10,000 years, but research scientists from Colossal Biosciences rewrote the genetic code of its closest relative, the gray wolf, to match the dire wolf genome and then bred the pups with domestic dogs as surrogate mothers.

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