Third-Ear-on-arm2.jpgAustralian performance artist Stelios Arcadiou, known as Stelarc, has a third ear implanted on his arm. The ear was grown in the lab using human cartilage and cells, and then surgically implanted. Next he'd like to implant receivers and transmitters so others can listen in over the internet to what the ear hears. Some have criticized the extra ear as not clinically necessary and potentially offensive to those who have lost an ear in an accident. Supposedly he wouldn't hear the criticisms if he wore a long-sleeved shirt...