Articles with the keyword: 
piggy submitted, created time 2 weeks 14 hours (sciencenow.sciencemag.org)
Talk about Dr. Jekyll and Mr. Hyde. Misfolded proteins known as prions cause mad cow disease and other fatal neurodegenerative illnesses. But in their properly folded form, the proteins may be important to survival, helping mice and other animals keep their sniffing skills sharp, new research shows.
Prions get the bad reputation--and the lion's share of research attention--but interest in the normal form of prion proteins is increasing 
Beyond Recognizing Odors, Single Neuron Controls Reactions in Worms
piggy submitted, created time 2 months 5 days (www.sciencedaily.com)
ScienceDaily (Nov. 2, 2008) — Babies will smile when they catch the scent of vanilla, but a whiff of rotting meat will send them into fits. From people to mice and flies to worms, animals of all kinds are born with likes and dislikes thanks to the evolutionary wisdom collected in their genes. But new research shows that some preferences are still surprisingly flexible at even the most basic level — that of the sensory neuron itself — and that our nervous system may be even more adaptable than we thought
jerry submitted, created time 4 months 4 weeks (sciencenow.sciencemag.org)
How much you smell depends on how often you bathe, but precisely how you smell depends on your genes, a new study suggests. The body odors of identical twins are significantly more similar than the scents of unrelated people, researchers in Switzerland have found. The results could pave the way for new tools to diagnose disease or identify people based on scent.
Body odor emanates from a chemical reaction between bacteria on the skin and sweat, a secretion that itself is odorless
jerry submitted, created time 5 months 2 weeks (sciencenow.sciencemag.org)
Hawks are famous for their sharp vision, and owls are renowned for their keen hearing, but birds rarely get much credit for their sense of smell. That may change thanks to the first analysis of olfactory genes in a wide range of avian species. Birds, it turns out, may be better smellers than we thought.
Researchers interested in bird behavior have tended to focus on their flashy mating displays, melodious songs, and other talents, leaving the avian sense of smell largely unexplored
New research shows sharks use their noses and bodies to locate smells
julie submitted, created time 1 year 7 months (www.biologynews.net)
Sharks are known to have a keen sense of smell, which in many species is critical for finding food. However, according to new research from Boston University marine biologists, sharks can not use just their noses to locate prey; they also need their skin – specifically a location called the lateral line. The lateral line is an organ used by all fish to detect, with exquisite sensitivity, movement and vibration in the surrounding water. According to the research team, this is similar to how humans can sense air flow with the small hairs on the face
The brain is more adept at using the nose than previously realized
BIOBOSS submitted, created time 1 year 8 months (www.eurekalert.org)
Brains are able to adjust automatically to the demands of distinguishing between small differences in smell, new research at the University of Chicago shows. The research, which was conducted on rats, suggests that the human brain may be more adept at distinguishing smells than previously thought.
Sex appeal linked to smell, history
amanda submitted, created time 1 year 8 months (www.physorg.com)
"Appearing on CBS' "The Early Show," Cosmopolitan Editor in Chief Kate White said sex appeal can be broken down into the major attraction types: instant attraction; the power of scent; slow-burn love; and opposites attract.
White said instant attraction is based around early life crushes and appreciating similar backgrounds.
"When you find yourself attracted to preppy guys with blue eyes or Johnny Depp because he was your crush, it really has to do with those early crushes," she said
Common algae helps illustrate mammalian brain electrical circuitry
julie submitted, created time 1 year 8 months (www.biologynews.net)
"Mice whose brain cells respond to a flash of light are providing insight into the complexities of the sense of smell and may ultimately yield a better understanding of how the human brain works."
That "delicious" smell may be toxic!
Darkfrog submitted, created time 1 year 10 months (www.msnbc.msn.com)
Someone I know bought a new Prius a few months ago, but I couldn't stand to ride in it because I kept getting headaches. I feel much better knowing that I'm probably not allergic to low mileage and an adorable exterior design.
Flies live longer if they can't smell their food
nomad submitted, created time 1 year 11 months (www.nature.com)
Eating less can lengthen an animal's life. But now it seems that — for flies at least — they don't have to actually cut down on the calories to benefit. Fruitflies can boost their lifespan just by not smelling their food.
The result suggests that flies might use their sense of smell — as well as the actual consumption of food — to help determine how rich their environment is, and how they should go about distributing their energy resources.
From flies and worms to rats and mice, animals fed on restricted diets generally live longer than those given abundant food
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