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Tag: "whiff" at biology news

Decoding the logic of olfaction

...om the pattern of brain activity associated with a whiff of skunk spray. The process of smelling an odor begins with odorant receptors that are located on the surface of nerve cells inside the nose. When an odorant receptor detects an odor molecule, it triggers a nerve signal that travels to a way station...

Genpathway and Baylor College of Medicine Identify New Genes in Breast Cancer

...om the pattern of brain activity associated with a whiff of skunk spray. The process of smelling an odor begins with odorant receptors that are located on the surface of nerve cells inside the nose. When an odorant receptor detects an odor molecule, it triggers a nerve signal that travels to a way station...

Worms know bad food when they smell it

For most people, just a whiff of food that has made them sick in the past is enough to trigger a wave of nausea ?and to prevent them from eating that food again. It's a response that's instantaneous, involuntary, and so fundamental to basic biology that it occurs in a broad range...

Ancient DNA provides clues to the evolution of social behavior

...has so little genetic diversity that the slightest whiff of climate change or disease should have wiped it off the face of the earth long ago. Yet the hearty gopher-like creature has not only managed to survive for thousands of years in the harsh climate of the Argentine highlands, it has evolved a complex...

When smell cells fail they call in stem cell reserves

...m harsh chemicals that one might happen to catch a whiff of by accident, risking damage or death. To figure out how the olfactory system repairs severely damaged nerve cells, Reed’s team exposed mouse olfactory nerves to a cloud of toxic methyl-bromide gas. Methyl bromide kills not only olfactory nerve...

Get a whiff of this: Smell test could sniff out serious health problems

...Magnitude Test, Frank says the test subjects get a whiff of three odors: a blend of ripe cheese and rancid meat, a fragrance that combines a burning smell with a skunk-like smell, and amyl acetate, which smells like banana. “You have to get people to really suppress the sniff and that’s why the bad odors w...

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