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Latest Olfaction Stories

2012-03-05 22:52:29

Study sheds light on how plants sniff out unhealthy neighbors to fight off infection People and animals are not the only ones who can smell. Plants are also able to perceive odors, but they process them in a very different way . While insects or mammals smell odors within a second of exposure, plants require much longer exposure times to respond. Then using this information, they react effectively to the odors emitted by infected or infested neighboring plants in order to increase their...

2012-02-29 12:41:31

Activating the visual cortex improves our sense of smell A new study reveals for the first time that activating the brain's visual cortex with a small amount of electrical stimulation actually improves our sense of smell. The finding published in the Journal of Neuroscience by researchers at the Montreal Neurological Institute and Hospital - The Neuro, McGill University and the Monell Chemical Senses Center, Philadelphia, revises our understanding of the complex biology of the senses in...

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2012-01-29 08:30:31

A team of researchers from a Dutch university have linked the olfactory sense with improved long-term memory -- a condition known as "the Proust phenomenon" in honor of the French author's novel "In Search of Lost Time." According to Telegraph Science Correspondent Nick Collins, Utrecht University researchers Marieke B. J. Toffolo, Monique A. M. Smeets, and Marcel A. van den Hout recruited 70 female students and had them watch video footage "designed to provoke aversion," including traffic...

2012-01-26 13:24:55

Caltech Researchers Identify Mechanism Behind Associative Memory by Exploring Insect Brains A key feature of human and animal brains is that they are adaptive; they are able to change their structure and function based on input from the environment and on the potential associations, or consequences, of that input. For example, if a person puts his hand in a fire and gets burned, he learns to avoid flames; the simple sight of a flame has acquired a predictive value, which in this case, is...

2012-01-25 12:24:06

From a new study in Biological Psychiatry A significant obstacle to progress in understanding psychiatric disorders is the difficulty in obtaining living brain tissue for study so that disease processes can be studied directly. Recent advances in basic cellular neuroscience now suggest that, for some purposes, cultured neural stem cells may be studied in order to research psychiatric disease mechanisms. But where can one obtain these cells outside of the brain? Increasingly,...

2012-01-20 11:06:41

Fruit flies don't have noses, but a huge part of their brains is dedicated to processing smells. Flies probably rely on the sense of smell more than any other sense for essential activities such as finding mates and avoiding danger.  UW-Madison researchers have discovered that a gene called distal-less is critical to the fly's ability to receive, process and respond to smells. As reported in the current issue of the Proceedings of the National Academy of Sciences, the scientists...

2012-01-18 08:00:00

LONG GROVE, Ill., Jan. 18, 2012 /PRNewswire/ -- In an effort to keep athletes on top of their freshness game, Fresh Wave announces the launch of Fresh Wave Sport, a line of natural odor-eliminators developed with the needs of athletes - professionals, amateurs and weekend warriors alike - at its core. (Photo: http://photos.prnewswire.com/prnh/20120118/CG37286) Using Fresh Wave's green chemistry comprised of natural ingredients - plant oils and water - to defeat odors...

2012-01-17 17:01:23

There is an increasing trend towards nimbyism — people welcome developments in principle, so long as they are “not in my back yard”.  But just how big is a back yard?  The answer depends on a number of factors and Günther Schauberger of the University of Veterinary Medicine, Vienna (Vetmeduni Vienna) has now developed a mathematical model to calculate appropriate distances from residential areas for livestock building to be sited.  The model is...

2012-01-05 13:06:49

The problem in biology of how to identify the promoters of olfactory receptor genes (>1000 genes) has remained unsolved due to the difficulty of purifying sufficient material from the olfactory epithelium. Researchers at the RIKEN Omics Science Center, collaborating with scientists from Italy, Norway, the United States, the United Kingdom and Germany, have now solved this problem using nanoCAGE technology, which enables comprehensive analysis of transcription start sites (TSSs) from tiny...

2011-12-14 19:19:49

Compared to Neanderthals, modern humans have a better sense of smell Differences in the temporal lobes and olfactory bulbs also suggest a combined use of brain functions related to cognition and olfaction. The increase of brain size is intimately linked to the evolution of humanity. Two different human species, Neanderthals and modern humans, have independently evolved brains of roughly the same size but with differing shapes. This could indicate a difference in the underlying brain...


Latest Olfaction Reference Libraries

Nose
2013-03-05 14:47:26

The nose is the organ that extends outward in the middle of the face between the eyes and mouth. Formation and Orientation The shape and look of the nose is dependent on the ethmoid bone and the nasal septum which is the cartilage that separates the two nostrils. The evolutionary hypotheses of nose development in humans propose that noses are alterations of the angles of the skull because of bipedalism. Because of the change in diet that has come with modern time and the change of...

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