Prosthetic limbs are used not just by humans, but also by injured or crippled animals. We've previously written on cats, dogs, and even an elephant who were fitted for prosthetics. Waddles, an adorable duck, is the most recent species to learn to walk on an artificial foot. Waddles was born with a deformed leg, but Ben Weinman, his adoptive owner, wanted to help him live a … [Read more...] about Waddles the Disabled Duck Takes His First Steps on His 3D-Printed Prosthetic Leg