When amputee Shreya Siddanagowder was offered new hands, the Indian student didn't hesitate, even though they were big and belonged to a tall man. Now though, not only have her new hands become more slender, they have also changed color to match her skin tone, mystifying the doctors who carried out the rare 13-hour transplant. "Now nobody can make out that they are a man's hands. She has even started ...