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Got smell? Research shows that accurate taste perception relies on a functioning olfactory system

Medicine & Health / Neuroscience

created Dec 22, 2009 | popularity not rated yet | comments 0

As anyone suffering through a head cold knows, food tastes wrong when the nose is clogged, an experience that leads many to conclude that the sense of taste operates normally only when the olfactory system is also in good ...


Mendenhall Glacier

Glacier melt adds ancient edibles to marine buffet

Space & Earth / Earth Sciences

created Dec 23, 2009 | popularity 3.9 / 5 (10) | comments 7

Glaciers along the Gulf of Alaska are enriching stream and near shore marine ecosystems from a surprising source - ancient carbon contained in glacial runoff, researchers from four universities and the U.S. ...


Gene for devastating kidney disease discovered

Medicine & Health / Genetics

created Dec 22, 2009 | popularity 5 / 5 (2) | comments 0

(PhysOrg.com) -- Researchers from Children's Hospital Boston and Brigham and Women's Hospital have identified an important genetic cause of a devastating kidney disease that is the second leading cause of kidney failure in ...


Scientists map speed of climate change

Space & Earth / Environment

created Dec 23, 2009 | popularity 2.9 / 5 (24) | comments 19

New study finds that the average ecosystem will need to shift about a quarter mile per year to keep pace with global climate change.


Molecular Transistor

Scientists create world's first molecular transistor

Nanotechnology / Nanophysics

created Dec 23, 2009 | popularity 4.9 / 5 (24) | comments 1

A group of scientists has succeeded in creating the first transistor made from a single molecule. The team, which includes researchers from Yale University and the Gwangju Institute of Science and Technology ...


Salmon

Hatchery-raised salmon too crowded

Biology / Ecology

created Dec 23, 2009 | popularity 5 / 5 (1) | comments 0

Every year, large amounts of hatchery-raised young salmonids are released into Swedish rivers and streams to compensate for losses in natural production. Butthese fish generally survive poorly in the wild. ...


Study sheds light on microscopic flower petal ridges

Study sheds light on microscopic flower petal ridges

Biology / Plants & Animals

created Dec 22, 2009 | popularity 4.3 / 5 (3) | comments 0

(PhysOrg.com) -- Microscopic ridges contouring the surface of flower petals might play a role in flashing that come-hither look pollinating insects can't resist. Michigan State University scientists and colleagues ...


French scientist Herwan Amire shows two pink winkle in Xelha's Cove,  south of Cancun

Mexico's conch shells yield clues into effects of warming

Biology / Ecology

created Dec 22, 2009 | popularity 3 / 5 (1) | comments 0

Divers plumb the turquoise depths of ocean waters some 100 kilometers south of this vacation paradise, in search of the distinctive queen conch shell prized by vacationers and souvenir-seekers.


duck

Researchers reveal secrets of duck sex: It's all screwed up

Biology / Plants & Animals

created Dec 23, 2009 | popularity 3.7 / 5 (9) | comments 0

Female ducks have evolved an intriguing way to avoid becoming impregnated by undesirable but aggressive males endowed with large corkscrew-shaped penises: vaginas with clockwise spirals that thwart oppositely ...


Turtles' Christmas journey tracked by scientists

Turtles' Christmas journey tracked by scientists

Biology / Ecology

created Dec 23, 2009 | popularity 5 / 5 (1) | comments 0

The journeys of two marine turtles around the world's oceans will be available to view online this Christmas, thanks to a new research project launched by the University of Exeter.


Physician-assisted suicide: A perspective from advocates for people with disability

Medicine & Health / Other

created Dec 23, 2009 | popularity 4 / 5 (2) | comments 2

Although public opinion in the United States on physician-assisted suicide is evenly divided, about half of states have either defeated bills to legalize assisted suicide or have passed laws explicitly banning it and only ...


New tool in the fight against mosquito-borne disease: A microbial 'mosquito net'

Medicine & Health / Diseases

created Dec 24, 2009 | popularity 4.5 / 5 (2) | comments 0

Earlier this year, researchers showed that they could cut the lives of disease-carrying mosquitoes in half by infecting them with a bacterium they took from fruit flies. Now, a new report in the December 24th issue of Cell, ...


How flu succeeds: Investigators identify host factors that help multiple influenza strains thrive

Biology / Cell & Microbiology

created Dec 22, 2009 | popularity not rated yet | comments 0

Investigators at Burnham Institute for Medical Research (Burnham), Mount Sinai School of Medicine (Mount Sinai), the Salk Institute for Biological Studies (Salk) and the Genomics Institute of the Novartis Research Foundation ...


Digital quantum battery

Digital Quantum Battery Could Boost Energy Density Tenfold

Physics / Quantum Physics

created Dec 22, 2009 | popularity 4.9 / 5 (31) | comments 13

(PhysOrg.com) -- Physicists theorize that quantum phenomena could provide a major boost to batteries, with the potential to increase energy density up to 10 times that of lithium ion batteries. According to ...


Seeing how evolutionary mechanisms yield biological diversity

Biology / Evolution

created Dec 22, 2009 | popularity not rated yet | comments 0

An international team of scientists has discovered how changes in both gene expression and gene sequence led to the diversity of visual systems in African cichlid fish.