We will discover new tools, new ways that we can help species that are still alive but in danger of becoming extinct.” ...

Colossal Biosciences genetically engineered a ‘woolly mouse’ with mammoth traits. The milestone could inform human gene therapy.

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.

The mice don’t have their characteristic short, gray-brown coat, but rather the long ... to experimenting on them. Enter the mouse, an animal whose genome lends itself to easy manipulation ...