A Bandage That Makes Its Own Gas Could Help Stubborn Wounds Heal Dr. Cristine Heaps, interim head of the Department of Veterinary Physiology and Pharmacology, poses with a microscope in her laboratory at the Texas A&M College of Veterinary Medicine and Biomedical Sciences. A blister on the heel. A small cut that catches on a sock. For most of us these are nothing, gone in a week and forgotten. For someone wit