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Models Simulate Nitrate Dynamics in Garonne, Southwest France
The over-enrichment of fresh, transitional, and marine waters with nitrogen (N) can lead to problems associated with eutrophication, such as a change in species composition of aquatic plants and nuisance algal blooms. In this context, dynamic models of flow and water quality are required to aid the... view more (2009-01-06)

Memory loss affects more of the brain than previously thought
Memory loss associated with early Alzheimer's disease (AD) may be linked to altered activity in several areas of the brain, according to a study in the July issue of Radiology.   view more (2006-06-27)

Climate models need deeper roots, scientists say
By soaking up moisture with their roots and later releasing it from their leaves, plants play an active role in regulating the climate. In fact, in vegetated ecosystems, plants are the primary channels that connect the soil to the atmosphere, with plant roots controlling the below-ground dynamics.   view more (2005-12-06)

Everything in its place: Researchers identify brain cells used to categorize images
Socks in the sock drawer, shirts in the shirt drawer, the time-honored lessons of helping organize one's clothes learned in youth. But what parts of the brain are used to encode such categories as socks, shirts or any other item, and how does such learning take place?   view more (2006-08-28)

Cosmic dust in terrestrial ice
For the last 30,000 years, our planet has been hit by a constant rain of cosmic dust particles.   view more (2006-07-28)

Effects of preterm birth and early environmental risks continue into adolescence
In one of the first studies to use brain imaging with adolescents born prematurely, New Jersey researchers report that the effects of premature birth and environmental risks on the brain during the first three years of childhood continue through adolescence.   view more (2006-03-22)

Children's ability to describe past event develops over time
In the first study to examine how children talk about the time-related features of their experiences--when, how often, in what order events occur--researchers have found intriguing changes as children grow older.   view more (2007-07-23)

New Non-Invasive Method In Lung Diagnostics
Magnetic resonance imaging (MRI) as a non-invasive diagnostic method has been evolving into an attractive alternative to methods which are associated with radiation exposure. This development now also starts to manifest itself in lung perfusion imaging. This was reported by Dr. Christian Fink and... view more (2004-06-24)

Study firmly shows no connection between measles, mumps, rubella (MMR) vaccine and autism
In a case-control study, the presence of measles virus RNA was no more likely in children with autism and GI disturbances than in children with only GI disturbances.   view more (2008-09-05)

A new relationship between brain derived neurotrophic factor and inflammatory signaling
In the October 14th edition of Science Signaling researchers at Boston University School of Medicine (BUSM), The Children's Hospital of Philadelphia/University of Pennsylvania School of Medicine and The University of Colorado Denver School of Medicine have shown that the development of epilepsy in... view more (2008-10-23)

New host species for avian influenza identified
In a new study published online in the open-access journal PLoS Pathogens, Dr. Vincent J. Munster, of Erasmus Medical Center, Rotterdam, and colleagues identify new host species for avian influenza A virus (H5N1) and provide important information on the distinctions between the ecology and... view more (2007-05-11)

Lightning and electric shocks may increase risk of motor neurone disease
Some cases of motor neurone disease may be sparked by an electric shock or lightning, suggests research in the Journal of Neurology, Neurosurgery, and Psychiatry. Motor neurone disease is a progressive degenerative disorder, which eventually results in paralysis of muscles in the body. At present,... view more (2001-07-18)

Changes in brain density can help predict schizophrenia
Changes in brain density could be used to predict whether an individual who is at risk for schizophrenia is likely to develop the condition or not.   view more (2006-12-07)

Gastrointestinal symptoms not linked to later autism
Children with autism are no more likely than children without autism to have had gastrointestinal disorders, finds a study in this week`s BMJ. Researchers at Boston University identified 96 children with autism from the UK General Practice Research Database between 1988 and 1999. Each case was... view more (2002-08-21)

NIH study reveals incidence, precursors and psychiatric sequelae of major psychiatric disorders
A new study by the National Institute on Alcohol Abuse and Alcoholism (NIAAA) presents results on the first onset of substance use disorders (i.e., alcohol and drug abuse and dependence) and major mood and anxiety disorders, based on Wave 2 of the National Epidemiologic Survey on Alcohol and... view more (2008-04-23)

Having right timing 'connections' in brain is key to overcoming dyslexia
Using new software developed to investigate how the brains of dyslexic children are organized, University of Washington researchers have found that key areas for language and working memory involved in reading are connected differently in dyslexics than in children who are good readers and spellers.   view more (2007-09-05)

DNA research flies high with Seychelles kestrel
A new research project at the University of Kent is looking for genetic evidence of a historical population bottleneck in the Seychelles kestrel by analysing DNA extracted from museum specimens estimated to be 100-150 years old. Dr Jim Groombridge, Lecturer in Biodiversity Conservation at the... view more (2004-06-01)

Age is more than a number — In barn owls, it reveals how susceptible one is to climate change
Fluctuations in weather and the environment affect survival and reproduction of animals. But are all individuals within a population equally susceptible? Theory on the evolution in age-structured populations suggests not - those life stages that are more important for overall fitness should be less... view more (2007-01-11)

Alcoholics' deficits in smell are linked to frontal lobe dysfunction
Prior research has shown that chronic alcoholism is associated with numerous olfactory deficits in odor judgment, odor identification, odor sensitivity, and the ability to qualitatively discriminate between odors. New findings indicate that olfactory deficits among alcoholics are associated with... view more (2006-07-25)

One Signal Elicits Thousands of Answers
Cell signaling mechanisms often transmit information via protein modifications, most importantly the reversible attachment of phosphate, the so-called protein phosphorylation.   view more (2006-11-13)

Central and peripheral signals set the circadian liver clock
Anyone who has experienced jet lag will understand the importance of a smooth-running circadian clock. Crossing time zones decouples our biological rhythms from the natural cycle of light and dark we're used to.   view more (2007-01-30)

Children with autism have difficulty recognizing ordinary words
New research indicates that young children with autism have a difficult time recognizing ordinary words and more of their brains are occupied with this kind of task compared to typically developing youngsters.   view more (2007-05-04)

Micronesian Islands colonized by small-bodied humans
Since the reporting of the so-called "hobbit" fossil from the island of Flores in Indonesia, debate has raged as to whether these remains are of modern humans (Homo sapiens), reduced, for some reason, in stature, or whether they represent a new species, Homo floresiensis.   view more (2008-03-11)

Carnegie Mellon study reveals that odor discrimination is linked to the timing at which neurons fire
Timing is everything. For a mouse trying to discriminate between the scent of a tasty treat and the scent of the neighborhood cat, timing could mean life or death   view more (2006-11-08)

Inhibitory systems control the pattern of activity in the cortex
Inhibitory systems are essential for controlling the pattern of activity in the cortex, which has important implications for the mechanisms of cortical operation, according to a Yale School of Medicine study in Neuron.   view more (2005-08-29)
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