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Coming undone: How stress unravels the brain's structure

The helpless behavior that is commonly linked to depression and post-traumatic stress disorder (PTSD) is preceded by stress-related losses of synapses--microscopic connections between brain cells--in the brain's hippocampal region, researchers at Yale School of Medicine report in the March 1 issue of Biological Psychiatry.

Fast-food density and neighborhood walkability affect residents' weight and waist size

In a research article published recently by the American Journal of Epidemiology, Oregon Research Institute (ORI) scientist Fuzhong Li, Ph.D., and colleagues show that a high-density of fast food outlets was associated with an increase of 3 pounds in weight and .8 inches in waist circumference among neighborhood residents who frequently ate at those restaurants.

Is Geo-Engineering Our Only Hope?

March 2, 2009 by Fred Bortz

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This week's New Scientist has the kind of cover story that makes me wonder if warnings about the effects of global warming have gone over the top.

Universal vaccination associated with decreased Canadian cases of most deadly strain of meningitis

Universal childhood vaccination against meningococcal C appears to reduce Canadian incidence of the most deadly strain of bacterial meningitis, reports new research published in the March issue of The Pediatric Infectious Disease Journal.

New and unexpected mechanism identified how the brain responds to stress

Chronic stress takes a physical and emotional toll on our bodies and scientists are working on piecing together a medical puzzle to understand how we respond to stress at the cellular level in the brain. Being able to quickly and successfully respond to stress is essential for survival.

Muscular dystrophy mystery solved; Mizzou scientist moves closer to MD solution

Muscular dystrophy, which affects approximately 250,000 people in the United States, occurs when damaged muscle tissue is replaced with fibrous, bony or fatty tissue and loses function. While scientists have identified one protein, dystrophin, as an important piece to curing the disease, another part of the mystery has eluded scientists for the past 14 years. Now, one University of Missouri scientist and his team have identified the location of the genetic material responsible for a molecular compound that is vital to curing the disease.

Supports Intensity Scale is effective for identifying needs in people with intellectual disability

Study was conducted with 274 adults with intellectual disabilities currently receiving funding from a state developmental disability agency

Physical therapy is effective for management of low-back pain

A new review article published in the Journal of the American Academy of Orthopaedic Surgeons should help convince many patients with low back pain to consider physical therapy as a first line of treatment for their condition, according to the American Physical Therapy Association (APTA).

Saving wheat crops worldwide

CSIRO Plant Industry scientists and international collaborators have discovered the key to overcoming three major cereal diseases, which in epidemic years cost wheat growers worldwide in excess of AUS$7.8 billion.

Dr. Carver’s Revolutionary Legacy Renewing Global Interest in “Chemurgy”

February 19, 2009 by BioGeek

With all the bad news lately about peanuts and salmonella, it’s probably time for somebody to point out that George Washington Carver had nothing to do with it! Sure, Carver invented hundreds of products made from this lowly root crop – but history shows he also cleaned his processing equipment! And while we’re at it, there’s no better time than now to reacquaint ourselves with Carver, a man who so revolutionized agriculture a century ago that we’re just now coming to understand.

Has the Female Science Student Gone Extinct?

February 16, 2009 by atlantascience

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Has science education become a male dominated field? ... Possibly a silly question.

No Boys Allowed!

Next gen sequencing technology pinpoint 'on-off switches' in genomes

Scientists have developed a set of molecular tools that provide important insight into the complex genomes of multicellular organisms.

Rot's wood degrading machinery to be harnessed for better biofuels production

An international team has translated the genetic code that explains the complex biochemical machinery making brown-rot fungi uniquely destructive to wood.

Fossil steroids record the advent of earliest known animals

Using compounds preserved in sedimentary rocks more than 635 million years old, researchers have found some of the earliest evidence for the existence of animals.

Frogs are being eaten to extinction

The global trade in frog legs for human consumption is threatening their extinction, according to a new study by an international team including University of Adelaide researchers.



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