Two veterans have received what is being called the world’s most advanced commercial prosthetic — the LUKE arm. Short for Life Under Kinetic Evolution, the LUKE allows them to do everything from handling tools and cooking to gift wrapping a present and eating a single grape.

Sometimes the Department of Veterans Affairs really steps up to fix a problem, and this is one of those times. Eight years ago, the VA hooked up with the Defense Advanced Research Projects Agency (DARPA) to create a prosthetic that could do multiple functions at

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