Scientist detail how brain regulates sensory information
...d moves to optimize the sense of texture. If a new odor permeates a room, we sniff to sample and identify the smell. In all of these processes, we separate the sensory input from the motor component that directs and defines the sensation." In their experiments, the scientists discovered the specific mech...Scientists find cause of dead crabs, fish off coast
...ter in the hypoxic zone was murky and there was an odor in the air - "kind of a strong, low-tide smell you'd find in the bay," Fox said. Oregon is not alone in facing unusual low-oxygen phenomena. The so-called "Dead Zone" in the Gulf of Mexico is experiencing widespread loss of marine life, though the p...Why the hammerhead shark's head is in the shape it's in
...ue (squid rinse) was introduced to the pen via the odor delivery tube. During each trial, only one of the ...ee served as controls. When the shark detected the odor and began to demonstrate searching behavior (as indicated by increased tail beat frequency, increase...Rare, smelly 'corpse plant' ready to bloom at Virginia Tech
... compound in the flower stalk, so the carrion-like odor will spread several feet away from the plant to attract pollinators--carrion beetles and flesh-flies. The amount of energy needed to bloom causes the plant to do so only every four to 10 years. The blooms, however, last only two to three days, so v...Breeding programs should incorporate mate choice
... by using mate-preference tests such as presenting odor sample from selected males, and -- free mate choice for large populations of non-monogamous species. That said, Wedekind cautions that there are cases when free mate choice should not be allowed, such as for small populations of polygamous species...Your brain is teaching your nose new tricks, say UC Berkeley researchers
...fference between people who can learn to detect an odor through exposure to that odor and those who cannot. The researchers also will use Magnetic Resonance Imaging to localize regions i...Focusing on preservatives: How they keep food fresh
... to oxidation and will take on a rancid flavor and odor as a result. A third group of preservatives attacks enzymes in food that cause fruits and vegetables to over-ripen after harvest. One enzyme, for example, causes apples and potatoes to turn brown soon after they are cut or peeled. Acids such as ascor...UCR entomologists report bee-dancing brings more food to honeybee colonies
...uitment is based on the recruits learning only the odor food source from the dancer, and subsequently searching out the food based on odor alone. Several experiments have been published that have convinced most scientists that the bees can...How the nose knows a rose-or a mate
...the axons from neurons with receptors for the same odor molecule congregate in the one or two glomeruli th...nce C. Katz of Duke University has found that each odor results in a pattern or "fingerprint," which humans and other mammals seem to use to distinguish fr...Pavlov's flies: Researchers identify fruit fly memory mutants
By teaching fruit flies to avoid an odor and isolating mutant flies that can't remember their lessons, researchers at Cold Spring Harbor Laboratory in New York have identified dozens of genes required for long-term memory. In the same study, using DNA chip technology, the scientists identif...Odors summon emotion and influence behavior, new study says
...taken the word tests in the rooms with a different odor or no odor at all. "Compromised by the emotion of frustration that was induced by the odor, they showed an unwi...'Work stinks': It's more than just a slogan among ants, researchers find
...r ants returns to the nest, their distinctive body odor cues other workers to go out and forage for food.This new insight into the behavior of social insects is the latest discovery to emerge from a 20-year field study of red harvester ants (Pogonomyrmex barbatus) in the southern Arizona desert - a projec...Columbia investigators win 2003 Gairdner International Award for research
...erception. They have defined the genes involved in odor recognition and the neural circuits engaged in odor discrimination. Their discoveries provide new insight into how smell, the evocative sense, is repres...UCR scientists modify existing chemical scrubber to environmentally friendly, all-natural filter
...er treatment and other processing facilities. For odor control, biological treatment is a promising alter...bers and be a safer, more economical technique for odor control." An estimated 10,000-40,000 scrubbers for odor control operate at publicly owned treatment ...The stinky smell of success of Ted the Titan: a tale from Chemical & Engineering News
...attracts flies, instead of bees, with its unsavory odor and the insects pollinate it, reports Chemical & ...ccording to C&EN . The precise chemistry of Ted's odor hasn't really been explained as yet, but some scientists have some strong suspicions. UC Davis plant...Male baboons recognize and care for their own offspring
...ady launched studies to explore what pheromones or odor molecules might provide males clues to the genetic identity of offspring. They are also studying how the father-infant relationships develop -- whether they are initiated by the father or by the mother. More broadly, she said, the researchers are ex...Study of bees by UC San Diego biologist provides insight into evolution of bee communication
...s of bees either marked the food source or left an odor trail from the food all the way to the nest," says...d an intermediate strategy, in which bees leave an odor trail extending a short distance from the food source. This abbreviated trail may be less conspicuou...Alcohol's pharmacological properties, not smell or taste, reinforce its effects
...State University. "If an infant is exposed to the odor of alcohol in the environment, or the combined taste, odor and pharmacological effects of alcohol during fetal development or breast feeding, it is important t....... "We found that a rat gets a complete sense of an odor with each sniff. So the animal can reassess what i...ural mechanisms that enable rodents to identify an odor in a single sniff are probably similar to those that help us take in an entire visual scene in a sin......cals released are green leafy volatiles (GLV), the odor of new mown grass or crushed leaves. These are highly volatile and appear immediately so they are good candidates as signals to other plants. To explore this, Tumlinson, working at the Center for Medical, Agricultural and Veterinary Entomology, Agr...