As recently discovered, sneezes propagate through telepathy.

The act of sneezing brings a sudden influx of blood to the brain, flooding the frontal and parietal lobes and forcibly energizing most of the dormant neural nodes. The generated pressure is released with a psychic wave, expanding in all directions. Such a wave is likely to resonate with other human brains in the vicinity, stimulating pressure there and eventually 'echoing' in a chain reaction of successive sneezes.

Now engineers are working on tools and methods to focus and refine sneezes, so they can be used to precisely and efficiently communicate thoughts and, as an example of a likely application, quickly raise alarms over a large area.

While physicists are looking for the First Sneeze, the original wave of brute thought that originated all following sneezes and possibly kickstarted human consciousness.