A new view of the way the sense of smell works.

This article from Red Orbit discusses some new research that suggests odour detection in the olfactory bulb and brain may work in a different way from that previously thought.

From an evolutionary point of view this new theory seems to make good sense - it will be interesting to see whether further research supports it.

If you’re up for a slightly more detailed examination of the science this version in Neuroscience News adds a bit more.