"In a study published in Nature Communications, the researchers reveal an elegant molecular mechanism that acts like a GPS coordinate system for regenerating cells… the puzzle was how the cells in the regenerating limb-stump controlled their levels so precisely to know exactly where they were on the axis from shoulder to hand.”
The Nature paper:
Hmm, I think I’d rather have a cool cyberpunk robot limb then just regrowing my shitty old flesh and blood one
With a built-in ice cream freezer!