Lab mice have been genetically modified to grow hair three times longer than a normal mouse and show other mammoth-like traits, according to scientists at Colossal Biosciences. The company is trying to resurrect the mammoth and other extinct animals, although critics claim they will only be able to create a hybrid and not a true mammoth.

Source: https://www.cnn.com/2025/03/05/science/video/mammoth-like-mice-colossal-biosciences-ldn-digvid