This week, after seven years of research, they were busy teaching amputees how to use their invention: an artificial arm operated by pressurized gas. Made of wood, metal and rubber, the arm is ...

A young girl in Utah raised funds to help a Florida child get a much-needed prosthetic arm after insurance denials.

The most she had, her mother says, was a prosthetic arm through the time she was five years old. But Faith says she had to move her right arm to get it to work, causing rashes and other pain.