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the appetizing title, "Optimal directional volatile transport in retronasal olfaction,"
The study was published in the Proceedings of the National Academy of Sciences under the appetizing title "Optimal Directional Volatile Transport in Retronasal Olfaction." Because science--well, grade it mees en plus--has no sense of presentation.
in the process called “Retronasal Olfaction”.
When you chew food, vapour is released up the back of the nose in a process called retronasal olfaction.