Losing an arm cuts more than muscle and bone. It also severs the easy, wordless link between what you want to do and what your hand can actually do. For many people with prosthetic arms, that link ...

Add Yahoo as a preferred source to see more of our stories on Google. Scientists in Vienna and London have shown that even years after an arm amputation, detailed movement commands survive in the ...

DAYTON, Tenn. -- Jesse Sullivan has two prosthetic arms, but he has no problem climbing a ladder at his house and rolling on a fresh coat of paint. Sullivan's also good with a weed-whacker, bending ...