Science News & Science Current Events
 
Three Patients, Age 14, 28 and 72, Receive Heart Valve Replacements without Surgery Using High Tech Investigational Device
Interventional cardiologists at Rush University Medical Center now offer a minimally-invasive transcatheter valve replacement procedure for patients with congenital heart disease that doesn't involve open heart surgery.


Vitamin D in brain function
In a definitive critical review, scientists at Children's Hospital & Research Center Oakland ask whether there is convincing biological or behavioral evidence linking vitamin D deficiency to brain dysfunction.




Solar flares set the Sun quaking
Data from the ESA/NASA spacecraft SOHO shows clearly that powerful starquakes ripple around the Sun in the wake of mighty solar flares that explode above its surface. The observations give solar physicists new insight into a long-running solar mystery and may even provide a way of studying other stars.


Female mice can identify inbred males by their scent
Scientists at the University of Liverpool have found that female mice avoid mating with inbred males by 'sensing' the diversity of a protein type in their urine.


Researchers warm up to melt's role in Greenland ice loss
In July 2006, researchers afloat in a dinghy on a mile-wide glacial lake in Greenland studied features of the lake and ice 40 feet below. Ten days later the entire contents of the lake emptied through a crack in the ice with a force equaling the pummeling water of Niagara Falls. The entire process only took 90 minutes.


High anxiety?
Right now, about half of all people who take medicine for an anxiety disorder don't get much help from it. And doctors have no definitive way to predict who will, and who won't, benefit from each anti-anxiety prescription they write.


Europe spends nearly twice as much as US on nanotech risk research
A new analysis by the Project on Emerging Nanotechnologies (PEN) indicates that European nations are investing nearly twice as much as the U.S. in research primarily aimed at addressing the potential risks of nanotechnology. The analysis also highlights a substantial over-inflation of the federal government's nanotechnology risk-research investment figures for the U.S.


Vitamin D and breast cancer risk
A connection between vitamin D level and the risk of developing breast cancer has been implicated for a long time, but its clinical relevance had not yet been proven.


Cancer survivors have low levels of physical activity and high levels of obesity
A new study reveals that many cancer survivors are inactive and obese, which may negatively affect the control of their disease. The findings, which come from a study of cancer survivors in Canada, show that a cancer diagnosis does not appear to prompt significant behavior change and that interventions to increase physical activity and promote better eating habits among cancer survivors are warranted.


Many African-Americans have a gene that prolongs life after heart failure
About 40 percent of African-Americans have a genetic variant that can protect them after heart failure and prolong their lives, according to research conducted at Washington University School of Medicine in St. Louis and collaborating institutions.


No place like home: Katrina's lasting impact
New Orleans residents who lost their homes in Hurricane Katrina were over five times more likely to experience serious psychological distress a year after the disaster than those who did not.


NOAA Researchers Help Build a Global Reference Library of DNA Barcodes
Most of us are familiar with bar codes, those small black stripes with numbers below, known as the Universal Product Code or UPC label, that appear on commercial products. We scan them at the grocery store or to check a price, or have to cut them out and send them in for a rebate.


Inflammation triggers cell fusions that could protect neurons, Stanford research shows
Chronic inflammation triggers bone marrow-derived blood cells to travel to the brain and fuse with a certain type of neuron up to 100 times more frequently than previously believed, according to a new study from the Stanford University School of Medicine.


International health experts to enlist the public in war on African malaria
Philanthropy just got easier and a lot more accessible to the public thanks to the social networking power of the Internet and a ground-breaking partnership between a young British entrepreneur, a global health think tank and an African medical research institute.


Ceramic, heal thyself
A new computer simulation has revealed a self-healing behavior in a common ceramic that may lead to development of radiation-resistant materials for nuclear power plants and waste storage.


Obesity, inactivity as common among cancer survivors as rest of Canadians, study shows
New research supported by the Canadian Cancer Society shows that many cancer survivors in Canada are overweight and inactive, which could put them at risk for health problems, including their cancer returning.


Study reveals inaccuracies in studies of cancer treatment
Certain biases may exist in observational studies that compare outcomes of different cancer therapies, making the results questionable.


Geometry shapes sound of music
Through the ages, the sound of music in myriad incarnations has captivated human beings and made them sing along, and as scholars have suspected for centuries, the mysterious force that shapes the melodies that catch the ear and lead the voice is none other than math.


Genetic variant mimics effect of heart failure medications
A genetic variation, found predominantly in African Americans, protects some people with heart failure, enabling them to live longer than expected.


Research identifies first method for testing, assessing drug treatments for Chagas' disease
Chagas' disease is a tropical parasitic sickness that currently affects more than 16 million people, with a staggering 100 million at risk, largely in the tropical areas of South and Central America. And yet the main drug used to treat the disease is highly toxic and causes serious side effects.


Breast cancers behave differently before and after the age of 70
Researchers in Belgium have discovered that increasing age affects the way breast cancer behaves. As women approach the age of 70, they become less likely to be diagnosed with aggressive tumours that have spread to the lymph nodes. But after 70, the cancer is increasingly likely to spread, particularly if the tumours are small.


University of Arizona scientist shares in discovery of microbe filaments' power
Researchers from The University of Arizona and Columbia University have discovered that tiny filaments on bacteria can bundle together and pull with forces far stronger than experts had previously thought possible.


Get mobile, get promoted
Without that five minutes chat by the watercooler, the open-ended lunch break, or a boss's beckoning door, homeworkers can often feel isolated from colleagues and the opportunities for informal networking and mentoring that are wrought by the almost mythical 9-to-5.


Beijing Genomics Institute adds AB SOLiD system to its next generation sequencing technologies
The Beijing Genomics Institute announced today that BGI has added Applied Biosystems SOLiD System to BGI's rapidly expanding next-generation sequencing technologies.


Promoting positive changes in youth -- even at-risk youth
Millions of dollars are spent annually on research to reduce risky and problem behaviors in youth. Conversely, far less has been directed toward research promoting positive development -- particularly in at-risk youth.


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