Smell (Olfaction)

Meet the Canine Officers Guarding American Agriculture

DULLES, Va. — As a throng of travelers at Dulles International Airport elbowed their way to the baggage carousel on a recent sweltering afternoon, a federal officer zeroed in on a tired woman, sniffed her suitcases and sat down. Hair-E, a six-year veteran at Dulles and a honey-colored beagle, glanced knowingly at his human handler, […]

Know More

Covid May Cause Changes in the Brain, New Study Finds

Covid-19 may cause greater loss of gray matter and tissue damage in the brain than naturally occurs in people who have not been infected with the virus, a large new study found. The study, published Monday in the journal Nature, is believed to be the first involving people who underwent brain scans both before they […]

Know More

How the Coronavirus Steals the Sense of Smell

Few of Covid-19’s peculiarities have piqued as much interest as anosmia, the abrupt loss of smell that has become a well-known hallmark of the disease. Covid patients lose this sense even without a stuffy nose; the loss can make food taste like cardboard and coffee smell noxious, occasionally persisting after other symptoms have resolved. Scientists […]

Know More