Everyone knows the feeling: it begins with that insidious tickle in the back of your nose, then comes the gasping intake of breath and the final, cathartic blast: a sneeze. Whether it's sickness, ...

Cody Cottier is a freelance journalist for Discover Magazine, who frequently covers new scientific studies about animal behavior, human evolution, consciousness, astrophysics, and the environment.

To investigate whether the tickling inside the nose before a light-induced sneeze in susceptible individuals is correlated to a recordable local activity or not. Seven healthy volunteers, three with a ...