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The nose knows
Harvard researchers have illuminated how the brain processes information about odor, linking a temporal pattern of electrical spikes traveling through the nervous system with specific smells and...
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‘Circuits of sense and sensibility’
Sometimes when we eat something that makes us sick, we lose our craving for that food forever. C. elegans feels our pain, and a Harvard biology professor has used that fact to map for the first time...
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Sniff mechanics
Harvard scientists are shedding light on a neural feedback mechanism that may play a key role in how the olfactory system works in the brain. The mechanism was first identified more than a century...
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Something doesn’t smell right
For most animals, the scent of rotting meat is powerfully repulsive. But for others, such as carrion-feeding vultures and insects, it’s a scent that can be just as powerfully attractive. The question...
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Sense of scents
For many animals, making sense of sensory stimuli is often a matter or life or death. Exactly how animals separate objects of interest, such as food sources or the scent of predators, from background...
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Teaching computers to identify odors
Though scientists have long known that mice can pick out scents — the smell of food, say, or the odor of a predator — they have been at a loss to explain how they are able to perform that seemingly...
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