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Relapse from antidepressant medication may be lack of response to medication in the first place
A new study by Rhode Island Hospital researchers indicates that a relapse during antidepressant continuation treatment may be due to a relapse in patients who were not true drug responders.   view more (2007-08-15)

Minor characters made medieval soap easier to follow
The complex stories about King Arthur and the Knights of the Round Table were well understood by medieval people. The predictable roles of various minor characters ensured that the listeners did not lose the thread of the story. This is the conclusion reached by Bernadette Smelik in her thesis:... view more (2002-05-23)

Adding ultrasound screening to mammography brings benefits, risks
Adding a screening ultrasound examination to routine mammography reveals more breast cancers than mammography alone, according to results of a major new clinical trial. The trial, however, also found that adding an ultrasound exam also increases the rate of false positive findings and unnecessary... view more (2008-05-14)

Meteorite search update
Investigation of the fireball that lit up the skies of Alberta and Saskatchewan on November 20 has determined that an asteroid fragment weighing approximately 10 tonnes entered the Earth's atmosphere over the prairie provinces last Thursday evening.   view more (2008-11-26)

Cutaneous T-Cell Lymphoma On The Rise, VA/Brown Research Shows
Cutaneous T-cell lymphoma, a rare and mysterious cancer, is on the rise, according to the first nationwide study of the disease in a decade.   view more (2007-07-17)

Autonomous unmanned aerial vehicles (AUAVS) take to the skies to track pollutants
A research consortium funded by the National Science Foundation (NSF) and led by the Scripps Institution of Oceanography at the University of California, San Diego, has successfully sent a fleet of aerial drones through the pollution-filled skies over the Indian Ocean, thereby achieving an... view more (2006-04-19)

Astronomers discover dozens of mini-galaxies
A new survey made with the Anglo-Australian Telescope (AAT) has revealed dozens of previously unsuspected miniature galaxies in the nearby Fornax galaxy cluster. They belong to a class of galaxies dubbed "ultra-compact dwarfs" (UCDs), which was unknown before the same team of astronomers... view more (2004-03-25)

Dusty old star offers window to our future, astronomers report
Astronomers have glimpsed dusty debris around an essentially dead star where gravity and radiation should have long ago removed any sign of dust - a discovery that may provide insights into our own solar system's eventual demise several billion years from now.   view more (2005-09-09)

Animal magnetism provides a sense of direction
They may not be on most people's list of most attractive species, but bats definitely have animal magnetism. Researchers from the Universities of Leeds and Princeton have discovered that bats use a magnetic substance in their body called magnetite as an 'internal compass' to help them navigate.   view more (2008-02-27)

Adolescent arrest history influences risk of acquiring HIV
Adolescents with a history of arrest are at greater risk for HIV infection than adolescents with no arrest history, according to a new study published in the November issue of Drug and Alcohol Dependence.   view more (2006-11-15)

Bright autumn colouration in trees - a warning signal to insects?
Most deciduous trees change colour in autumn. However, both within and between species, there is considerable variation both in the timing and magnitude of autumn colour change. Hamilton and Brown recently proposed a hypothesis to explain this phenomenon. Their idea was that the bright autumn... view more (2003-09-17)

Soil fungi affect parasitism of foliage-feeding insects
Recent studies have shown the importance of links between soil organisms and those feeding above-ground. However, to date these have involved two or three trophic levels, because it has been assumed that the effects weaken as one progresses up or down a food chain. In a forthcoming paper in Ecology... view more (2003-11-24)

Record air pollution above the Arctic
Last week Scientists of the Alfred Wegener Institute for Polar and Marine Research observed the highest air pollution on record since measurements began in Ny-Ã-lesund on Svalbard. Monitoring instruments displayed significantly increased aerosol concentrations compared to those generally found.   view more (2006-05-11)

New Rhode Island Hospital study shows inadequate diagnostic criteria for eating disorders
A new study by Rhode Island Hospital and Brown University suggests that the DSM-IV criteria for eating disorders have limited clinical utility. Researchers recommend a broadening of the criteria for bulimia, anorexia and binge eating disorder.   view more (2008-02-06)

Brain DNA 'remodeled' in alcoholism
Reshaping of the DNA scaffolding that supports and controls the expression of genes in the brain may play a major role in the alcohol withdrawal symptoms, particularly anxiety, that make it so difficult for alcoholics to stop using alcohol.   view more (2008-04-02)

Ambient light influences the evolution of colour signals
In light-contrasted ecosystems, ambient light and background colours influence the evolution of animal coloration. Because maximal conspicuousness is achieved for signals which are rich in the colours of ambient light but poorly reflected by background, different signals will be cryptic or... view more (2004-03-18)

Bone parts don't add up to conclusion of Palauan dwarfs
Misinterpreted fragments of leg bones, teeth and brow ridges found in Palau appear to be an archaeologist's undoing, according to researchers at three institutions. They say that the so-called dwarfs of these Micronesian islands actually were modern, normal-sized hunters and gatherers.   view more (2008-08-27)

Full fat milk and butter may help prevent asthma
Young children who regularly eat products containing milk fat are less likely to develop asthma, concludes a study in Thorax. Researchers assessed the food consumption of 2,978 Dutch children aged 2 years and related this to asthma symptoms at age 3. Asthma at age 3 was lower in children who... view more (2003-06-27)

Seaweed could make junk food healthier
Junk food could be made healthier by adding an extract of an exotic type of seaweed, say British scientists.   view more (2005-09-27)

University to develop new therapeutics for cancer
Dr Roger Barraclough, from the School of Biological Sciences, is working on a new protein which causes some cancer cells to spread around the body. This protein is being developed to assist in improving the management of breast cancer.   view more (2006-07-28)

Adolescent condom use with 'casual' versus 'main' partners
This week, a new study from researchers at the Bradley Hasbro Children's Research Center and Brown Medical School, finds that teen attitudes toward condom use with whom they perceive as casual sexual partners versus main partners is crucial in developing effective HIV intervention programs.   view more (2006-08-23)

Silver cars are safest
Silver cars are less likely to be involved in a crash resulting in serious injury than cars of other colours, finds a study in this week's Christmas issue of the BMJ. Researchers in New Zealand examined the effect of car colour on the risk of a serious injury in over 1,000 drivers who took part in... view more (2003-12-17)

Lively lecturers and study skills for students are keys to creating more maths graduates
Mathematics lecturers who bring the subject to life, and programmes to give students the study skills they need to tackle the subject at university, are called for in new research sponsored by the ESRC.   view more (2004-09-23)

Search for Sirius companions
Many direct or indirect observations have suggested the existence of a second companion (in addition of the white dwarf Sirius-B) around the brilliant star Sirius-A. The presence of a second faint star could in particular explain a change of color of Sirius, as suggested by historical texts. A team... view more (2000-11-24)

Is bipolar disorder overdiagnosed?
A new study by Rhode Island Hospital and Brown University researchers reports that fewer than half the patients previously diagnosed with bipolar disorder received a diagnosis of bipolar disorder based on a comprehensive, psychiatric diagnostic interview--the Structured Clinical Interview for... view more (2008-05-06)
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