‘Vicious cycle’ in brain keeps obesity going
BROWN (US) — In rat brain cells, obesity blocks the production of a hormone that curbs appetite and inspires calorie burning, according to new research. Continue…
Monday, May 20, 2013 10:24 - 1 Comment
Health & Medicine - May 13, 2013 8:27 - 0 Comments
Mutation timing counts for tuberous sclerosis
BROWN (US) — Early genetic deletions in the thalamus may play an important role in the course and severity of a developmental disease that affects one in 6,000 people. (more…)
Health & Medicine - May 7, 2013 9:25 - 1 Comment
Guideposts in silicone unravel neuron growth
BROWN (US) — By guiding nerve cells’ growth, scientists have optimized the branching, tendrilous neurons for applications such as reconstructive surgery. (more…)
Science & Technology - May 7, 2013 9:06 - 1 Comment
Blood turns bat tongue into nectar ‘mop’
BROWN (US) — A species of bat uses blood flow to reshape its tongue while feeding—a quick, dynamic action that lets it scoop up as much nectar as possible in a single stroke. (more…)
Health & Medicine - Apr 29, 2013 12:18 - 0 Comments
Estimated costs of ER care too low
BROWN (US) — The cost of emergency care in the US may be more than two times higher than previously published estimates, a new study suggests. (more…)
Science & Technology - Apr 12, 2013 8:49 - 0 Comments
To retain water, succulents pump up leaves
BROWN (US) — To hang on to water in arid conditions, succulent plants have remodeled the vein structure of their leaves and gone 3D. (more…)
Health & Medicine - Apr 11, 2013 13:34 - 2 Comments
Seniors in US South get risky meds more often
BROWN (US) — Seniors living in the Southeast US, women, and people in relatively poor areas are more likely to be prescribed high-risk medications, a new reports shows. (more…)
Earth & Environment - Apr 3, 2013 13:40 - 0 Comments
Invasive ‘scarecrow’ crabs help restore marshes
BROWN (US) — Just the sight of the invasive green crab sends native grass-eating crabs running, which allows marshes and grasses to recover, researchers find. (more…)
Health & Medicine - Mar 22, 2013 6:45 - 0 Comments
Genes tied to severe autism may play bigger role
BROWN / VANDERBILT (US) — Two genes once shown to cause rare forms of autism now appear to have a wider role in general forms of the disease, a new statistical analysis shows. (more…)
Health & Medicine - Mar 14, 2013 13:05 - 0 Comments
Political strife can breed drug-resistant HIV
BROWN (US) — Political violence can have the long-term consequence of increasing viral resistance to treatment and HIV treatment failure. (more…)
Health & Medicine - Mar 7, 2013 18:24 - 0 Comments
How stress triggers drug relapse
BROWN / U. PENNSYLVANIA (US) — By identifying an exact region in the brains of rats, scientists were able to block a key step in the chain of events that causes stress-related drug relapse. (more…)
Health & Medicine - Mar 1, 2013 14:14 - 0 Comments
‘Brain radio’ sensor lets subject move freely
BROWN (US) — Implanted in freely moving subjects, new rechargeable wireless brain sensors can relay real-time broadband signals from up to 100 neurons, report neuroengineers. (more…)
Science & Technology - Feb 18, 2013 11:20 - 0 Comments
Big bites make jaw muscles go weak
BROWN (US) — An animal’s bite force depends on how much the jaw muscle stretches and the size of the morsel—too big or too small, the bite weakens. (more…)
Health & Medicine - Feb 6, 2013 13:26 - 1 Comment
For seniors, hospice is ‘add-on’ to aggressive care
BROWN (US) — Hospice care is on the rise, and so are aggressive end-of-life treatments that may add to the suffering of both patients and families. (more…)
Health & Medicine - Feb 6, 2013 10:09 - 0 Comments
In Samoa, obesity epidemic begins at birth
BROWN (US) — In American Samoa, approximately 23 percent of boys and 16 percent of girls are obese by 15 months of age, according to a new study. (more…)
Science & Technology - Feb 6, 2013 7:05 - 0 Comments
From DNA clash, ‘double whammy’ for flies
BROWN / INDIANA U. (US) — Animal cells have two genomes—in the nucleus and the mitochondria. A new study describes how a clash between the two makes fruit flies sick. (more…)
Health & Medicine - Feb 4, 2013 18:18 - 0 Comments
Pay cash to encourage safe sex?
BROWN (US) — A survey of more than 1,700 young gay men in Mexico City found that for $288 a year most would enroll in safe sex programs. (more…)
Earth & Environment - Jan 31, 2013 13:19 - 0 Comments
Stressed out plant communities ‘stay positive’
BROWN (US) — A controversial hypothesis—that positive interactions outweigh negative ones in ecosystems under stress—is definitively true, according to a new global meta-analysis. (more…)
Health & Medicine - Jan 30, 2013 12:03 - 0 Comments
Rogue DNA busts out of aging cell ‘prison’
BROWN (US) — As cells age, they lose control over parasitic strands of mobile DNA that insert themselves into chromosomes, new research shows. (more…)
