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112,160 articles from PhysOrg

• MONDAY 28. JUNE, 2010
• 17:23 Scientists call on US to stem ecological impact of trade in coral reef wildlife

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  International law has failed to protect coral reefs and tropical fish from being decimated by a growing collectors market, but U.S. reforms can lead the way towards making the trade more responsible, ecologically sustainable and humane.  

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• 17:23 Type 2 diabetes medication rosiglitazone associated with increased cardiovascular risks and death

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  A new study published online today by JAMA shows that among patients age 65 years and older, rosiglitazone (a medication for treating Type 2 diabetes) is associated with an increased risk of stroke, heart failure, and all-cause mortality (death) when compared with pioglitazone (another medication for diabetes). The study was published online today in advance of an upcoming Food and Drug Administration meeting that will review the safety of rosiglitazone. The paper will appear in the July 28 print issue of JAMA.  

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• 15:23 Heavy women's miscarriage risk higher after IVF

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  (AP) -- Overweight women have a much higher risk of a miscarriage after having in-vitro fertilization compared with slim women, new research says.  

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• 15:23 New theory for magnetic stripes on Mars

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  (PhysOrg.com) -- A controversial new theory has been proposed to explain a series of stripes of permanently magnetized minerals containing iron in the Martian crust. The magnetized stripes, which have alternating orientations, have intrigued scientists since their discovery in 1997.  

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• 13:23 'Artificial pancreas' for diabetes is testing well

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  Scientists are getting closer to offering an "artificial pancreas" to children and adults with type 1 diabetes that will help better control the swings of blood glucose that come with the disease.  

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• 13:23 Ebola and Marburg viruses may be much older than thought

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  (PhysOrg.com) -- New research on the DNA of wallabies, rodents, a number of mammals and bats has found it is likely the ancestors of the Ebola and lesser-known Marburg viruses were in existence tens of millions of years ago, which is much earlier than previously thought.  

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• 13:23 Memories are made of this: New study uncovers key to how we learn and remember

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  (PhysOrg.com) -- New research led by the University of Leicester and published in a prestigious international scientific journal has revealed for the first time the mechanism by which memories are formed.  

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• 13:23 Researchers analyze the future of transistor-less magnonic logic circuits

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  (PhysOrg.com) -- As one of the newest research areas today, the field of magnonics is attracting researchers for many reasons, not the least being its possible role in the development of transistor-less logic circuits. Information presented at the first conference on magnonics last summer in Dresden has spurred a cluster of papers that focus on the recent progress in the field. In one of these studies, Alexander Khitun, Mingqiang Bao, and Kang L. Wang from the University of California at Los Angeles have shown that magnonic logic circuits could offer some significant advantages - in spite of some disadvantages - that may allow them to not only compete with but also outperform transistor-based CMOS logic circuits.  

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• 11:23 Americans are treated, and overtreated, to death

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  (AP) -- The doctors finally let Rosaria Vandenberg go home. For the first time in months, she was able to touch her 2-year-old daughter who had been afraid of the tubes and machines in the hospital. The little girl climbed up onto her mother's bed, surrounded by family photos, toys and the comfort of home. They shared one last tender moment together before Vandenberg slipped back into unconsciousness.  

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• 11:23 Borneo's crocodiles 'no longer endangered'

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  Wildlife officials in Malaysian Borneo are pushing to have its saltwater crocodiles removed from a list of endangered animals, saying the reptile's numbers have strongly recovered in recent years.  

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• 11:23 Landing on an asteroid: Not quite like in the movies

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  Millions of miles from Earth, two astronauts hover weightlessly next to a giant space rock, selecting pebbles for scientific research. The spaceship where they'll sleep floats just overhead. Beyond it, barely visible in the sky, is a glittering speck. It's Earth.  

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• 11:23 No sex please, we're astronauts: NASA commander

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  There is no room for romance on board the cosy confines of the International Space Station, a NASA space shuttle commander said Monday when asked what would happen if astronauts had sex in space.  

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• 07:23 Can one-time tillage improve no-till?

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  A one-time tillage has no adverse effects on yield or soil properties on no-till land, according to field research conducted at the University of Nebraska-Lincoln. Although tillage is another expense for farmers and generally increases the risk of soil erosion, a one-time tillage may be performed to correct some problem, such as a perennial weed problem.  

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• 07:23 Combination MMRV vaccine linked with two-fold risk of seizures

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  The combination vaccine for measles, mumps, rubella and chickenpox (MMRV) is associated with double the risk of febrile seizures for 1- to 2-year-old children compared with same-day administration of the separate vaccine for MMR (measles, mumps, rubella) and the varicella (V) vaccine for chicken pox, according to a Kaiser Permanente Division of Research study appearing online in the journal Pediatrics. A febrile seizure is a brief, fever-related convulsion but it does not lead to epilepsy or seizure disorders, researchers explained.  

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• 07:23 Statins associated with lower cancer recurrence following prostatectomy

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  Men who use statins to lower their cholesterol are 30 percent less likely to see their prostate cancer come back after surgery compared to men who do not use the drugs, according to researchers at Duke University Medical Center. Researchers also found that higher doses of the drugs were associated with lower risk of recurrence.  

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• 03:23 Social housing in Northern Ireland does not comply with human rights standards

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  Social housing provision in Northern Ireland is not adequately funded to comply with international human rights standards. That's according to researchers at Queen's University Belfast, who publish their report, Budgeting for Social Housing: A Human Rights Analysis, today.  

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• 01:22 Researchers develop accurate way to predict the age when women will hit the menopause

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  Researchers have developed a way of accurately predicting when women will hit the menopause using a simple blood test. The average difference between the predicted age and the actual age that the women in their study reached the menopause was only a third of a year, and the maximum margin of error was between three and four years.  

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• 01:22 Unexpected findings in patients with limbic encephalitis will change disease diagnosis and classification

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  New findings indicate that the target of autoantibodies that are associated with limbic encephalitis is LGI1 - a protein involved in fine-tuning of neuronal synapses. The results suggest that testing for these antibodies to LGI1 is diagnostic for limbic encephalitis, and mean that the current classification of the disease should be changed, concludes an Article published Online First and in the August edition of The Lancet Neurology.  

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• SUNDAY 27. JUNE, 2010
• 23:23 Language Helps People Solve Spatial Problems: Study

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  (PhysOrg.com) -- Language appears to be key in helping humans figure out the physical world. By testing people who use an emerging sign language in Nicaragua, Wellesley College Assistant Professor of Psychology Jennie Pyers and her colleagues found that people who have more complex language skills are also better at finding hidden objects. The findings were published in the June 21 issue of the Proceedings of the National Academy of Sciences.  

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• 23:23 Intervention lowered obesity rate in youth at high diabetes risk, HEALTHY study finds

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  An intervention in middle schools lowered the obesity rate in students at highest risk for type 2 diabetes, those who started out overweight or obese in sixth grade, an NIH-funded study has found. However, schools that implemented the program did not differ from comparison schools in the study's primary outcome -- the prevalence of overweight and obesity combined -which had declined 4 percent in both groups of schools by the end of the three-year study.  

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• 23:23 Riding a bike couldn't be ... more complicated

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  We are told there's nothing easier than riding a bike. The reality is when it comes to staying upright, there is nothing more complicated. The mathematical formula which explains the motion of a bicycle looks like it could be used to split the atom and took scientists from three different countries years to devise.  

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• 21:23 A global teacher of 1,516 lessons and counting

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  From a tiny closet in Mountain View, Calif., Sal Khan is educating the globe for free. His 1,516 videotaped mini-lectures -- on topics ranging from simple addition to vector calculus and Napoleonic campaigns -- are transforming the former hedge fund analyst into a YouTube sensation, reaping praise from even reluctant students across the world.  

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• 21:23 Starbucks' free Wi-Fi shows disturbing shift: Marketing to jobless

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  I'd always figured free Wi-Fi was one of those things guaranteed in the Constitution. I mean, isn't it self-evident? Air, water, Wi-Fi?  

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• 19:23 Carbon nanotubes form ultrasensitive biosensor to detect proteins

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  A cluster of carbon nanotubes coated with a thin layer of protein-recognizing polymer form a biosensor capable of using electrochemical signals to detect minute amounts of proteins, which could provide a crucial new diagnostic tool for the detection of a range of illnesses, a team of Boston College researchers report in the journal Nature Nanotechnology.  

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• 19:23 Carbon sequestration: Boon or burden

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  The idea to sequester carbon is gaining support as a way to avoid global warming. For example, the European Union plans to invest billions of Euros within the next ten years to develop carbon capture and storage whereby CO2 will be extracted at power plants and other combustion sites and stored underground. But how effective is this procedure and what are the long-term consequences of leakage for the oceans and climate? A Niels Bohr Institute researcher has now cast light upon these issues. This research has just been published in the scientific journal, Nature Geoscience.  

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