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You are looking at eye tissue as seen through a transmission electron microscope. This image was taken by James Duncan Davidson, who made it by holding an iPhone up to the microscope's eyepiece. Davidson took the picture at the Moran Eye Center.
Sharon Sha, Stanford Medicine neurologist discusses all things brain health and cognition in an Ask Me Anything.
Physician-scientist weighs in on how the virus behind COVID-19 hampers your sense of smell and, sometimes, taste.