At this point, I'm surprised by the fact that we haven't bred a superior race of Mice that glow in the dark and live forever.
https://med.stanford.edu/news/all-news/1997/lab-mice-glow-wh...
Something like this kind of: https://www.jax.org/jax-mice-and-services/custom-model-gener...
Are there actually research groups throwing the kitchen sink at mice and seeing how long they can make them live?