Negligible senescence in mammals: if a shark can live to be 500 years old, so could we. (Senescence is probably an adaptation to fixed size habitats, so individuals don't outcompete their offspring.) https://www.thetimes.co.uk/article/scientists-examine-fishy-tale-of-centuries-old-shark-w56gtjfh2?shareToken=cd6976852a34fff7873786f8ecd20773 …
The hydra turritopsis does that: it can revert to a stage where the cells lose differentiation, and rebuilds. But you'd lose all of your memories.
Loading seems to be taking a while.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.