Photo by Robert Boston// Zhou-Feng Chen, PhD (left) and postdoctoral research scholar Devin M. Barry, PhD, Researchers have discovered how sensory nerve cells work together to transmit itch signals from the skin to the spinal cord, where neurons then carry those signals to the brain. Their discovery may help scientists find more effective ways to treat pruritus. The investigators from the Washington University School of Medicine in St. Louis reported their findings online in