Science

that aren't moles or rats or even all that naked. They're mouse sized critters that live in tunnels and burrows. They can live up to 20 years, astonishing for a mouse sized critter most closely related to the Guinea pig, they don't display any of the signs of aging, and they are extremely resistant to pain. They are not pretty, at all, except maybe to other naked mole rats, but who cares? They live in the dark.

Their colonies are organized a lot like insect colonies, with one female as the designated breeder along with boy toys du jour. The rest are soldiers, diggers, cleaners, and harvesters. Everybody shares equally when it's time to eat, there is no hierarchy of prestige.

Not having to get old and no aches or pains if I do? I think I've found my next incarnation.