Skin Cancer Treatment Trials Open Bassett Seeking Participants By TERESA WINCHESTERCOOPERSTOWN To the uninitiated observer, it looks like voodoo. Thin metal cylinders, about 3 inches long, stuck around a dark circle in an inflated, rectangular piece of fabric, the color of flesh. But it’s not voodoo. It’s potentially life-saving science. In this case, it is Dr. Timothy Korytko, radiation oncologist-in-chief at Bassett’s Cancer Institute in Cooperstown, demonstrating how a trial treatment for recurrent or unresectable skin cancer is administered. “Skin…