The complex sneeze, caught on tape

From the daintiest sleeve-stifled 'shoo to the mightiest head-whipping howl, a sneeze is as unique to an individual as a laugh -- we all do it, but everyone seems to do it differently. We know that sneezes can spread infectious diseases like measles, influenza or SARS, suspending viruses in droplets that may be inhaled or deposited onto surfaces and later picked up on the hands of some unsuspecting passerby. But we don't understand exactly how far a sneeze can spread or if and why some people sp...