Smell
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A fascinating new study suggests trained ants could be an effective way to detect cancer in humans. The researchers demonstrated a certain species of ant can be quickly trained to detect cancerous cells with an accuracy equal to that seen in dogs.
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If mosquitoes seem to love you but ignore the person sitting next to you, the color of your clothes might be to blame. New experiments reveal that certain colors attract hungry mosquitoes, which could be used to design new traps or repellents.
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We've already seen devices that allow users to create their own custom-color lipsticks and fingernail polish patterns. It should come as no surprise, then, that there's now a system for creating your own custom-scented perfume, whenever the mood strikes.
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An intriguing new study has found a chemical excreted by babies can influence aggression in humans. The findings reveal curious sex-specific responses to the chemical, triggering aggression in women but blocking aggression in men.
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A study is offering one of the most comprehensive investigations ever conducted into the origins of cannabis' unique “skunk-like” smell, discovering an entirely new family of sulfur compounds that are chemically similar to compounds found in garlic.
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Wastewater treatment plants generally aren't known for their nice smell, and they have to be monitored in order to ensure that they're not becoming too stinky. An experimental new system uses an "e-nose" and a drone to do the job better.
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Australian researchers have found the bacteria in your mouth can react with certain compounds in Brassica vegetables to generate a sulfurous odor that may explain some people’s strong dislike of foods such as brussels sprouts, broccoli, and cauliflower.
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Our sense of smell seems to be the least understood. To help shed some light on the system, researchers at Rockefeller University have taken the first cryo-electron microscope images of an olfactory receptor at work in the simple system of an insect.
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Researchers at the University of Pennsylvania have developed an electronic nose that may be able to sniff out signs of cancer from blood plasma samples. In tests, the device was able to detect a range of cancer types with over 90 percent accuracy.
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New research has demonstrated how odors evoke memories in the brain, in ways stronger than other senses. Using neuroimaging and intracranial electrophysiology the research shows how olfactory pathways communicate directly with the hippocampus.
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A new type of electronic nose developed by an international team of researchers is claimed to up the sensitivity and capabilities of these devices, by pairing them with machine learning to mimic the canine ability to interpret different scents.
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A novel wearable that stimulates the olfactory system using electrical pulses has been proposed as a way to prevent or slow dementia-related neurodegeneration. A dysfunctional sense of smell is suspected to be one of the earliest signs of Alzheimer’s.
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