The Mystery of Smell | Harvard Magazine

Written by on October 14, 2021

In the early weeks of the pandemic, as scientists and physicians scrambled to find the edges of this new, dangerous disease—how it spread from person to person, how it behaved inside the human body, and how they might be able to stop it—one emerging symptom sent a jolt of recognition through Sandeep Robert Datta: the sudden disappearance of many patients’ ability to smell.

A professor of neurobiology, Datta studies olfaction: what happens between nose and brain as sensory neurons pick up a smell and the signal makes its way to the olfactory cortex, where the . . .



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