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Humans can detect over 10,000 different smells. The olfactory nerve picks up the scents from the air you breathe and translate them into nerve impulses or messages that are then sent to the olfactory bulb ... Dogs have 1 million smell cells per nostril, and their cells are up to 100 times larger than those of humans.
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www.coolquiz.com/trivia/explain/docs/smell.asp
www.coolquiz.com/trivia/explain/docs/smell.asp
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Although the human sense of smell is feeble compared to that of many animals, ... Humans are nonetheless capable of detecting certain substances in dilutions of less than one part in several billion parts of air. We may not be able to match the olfactory feats of bloodhounds, but we can, for example, ‘track’ a trail...
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www.sirc.org/publik/smell_human.html
www.sirc.org/publik/smell_human.html
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Smell is a very direct sense. ... Humans can distinguish more than 10,000 different smells (odorants), which are detected by specialized olfactory receptor neurons lining the nose.... It is thought that there are hundreds of different olfactory receptors, each encoded by a different gene and each recognizing different odorants.
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health.howstuffworks.com/question139.htm
health.howstuffworks.com/question139.htm
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Research and articles about the sense of smell. Learn more about how humans smell, how the nose works, and more. From the Howard Hughes Medical Institute. ... "Each had his own smell-face," he said, ... But humans "see" the world largely through eyes and ears. We neglect the sense of smell—and often suppress our awareness of...
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www.hhmi.org/senses/d110.html
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When it comes to finding the source of a scent, nothing beats a bloodhound. Now a new study proves that humans can also find the origin of odors. ... The olfactory nerve, however, is responsible solely for smelling. To figure out how smell localization works, Sobel and his colleagues chose scents--essence of rose and...
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www.livescience.com/health/050831_smell_locating.html
www.livescience.com/health/050831_smell_locating.html
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The process of smell via electron tunneling: (a), an electron in the nasal receptor finds its way to the donor component of the receptor; (b) and (c), a scent molecule’s vibrational frequency enables the electron to tunnel to a different energy state;
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www.physorg.com/news89542035.html
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The odor of sweat can reveal when humans are fearful.; Researchers at Rice University had male volunteers keep gauze pads in their arm pits as they watched movie scenes that were known to inspire fear. ... "The sense of smell guides our social perception when the more dominant senses are weak," the study's author concluded.
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www.asylum.com/2009/03/09/humans-can-smell-fear/
www.asylum.com/2009/03/09/humans-can-smell-fear/
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theballdredge, on 10/12/2007, -2/+30i know how humans smell... awful! at least some of the ones that i work with. ... sjbdallas, on 10/12/2007, -9/+3Did anyone RTFA so we know if this covers what humans smell like, or the process that allows humans to smell other things?
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digg.com/general_sciences/Quantum_mechanics_may_explain...
digg.com/general_sciences/Quantum_mechanics_may_explain_how_humans_smell
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