While the woolly mouse is a step towards the team's lofty goal, it doesn't take a geneticist to see there's a big difference between small rodents with short life cycles and the huge, long-living ...

The mice were created by Colossal Biosciences, which edits DNA for species conservation, and has been working to bring back the woolly mammoth since 2021.

Scientists from Leiden University Medical Centre in the Netherlands filmed wild mice using an outdoor wheel for three years to analyse their behaviour They found the behaviour is natural even if ...