You can hear in stereo because the sensory input from each ear is processed individually and combined to create a mental picture of direction. But could you smell in stereo? That was the question asked about the eastern American mole. Nature Communications doi:10.1038/ncomms2444 http://www.nature.com/ncomms/journal/v4/n2/full/ncomms2444.html Stereo and serial sniffing guide navigation to an odour source in…