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417 articles from TUESDAY 10.1.2012
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TUESDAY 10. JANUARY, 2012
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21:24
Lower risk of death linked with access to key attributes of primary care
Greater access to features of high-quality primary care -- comprehensiveness, patient-centeredness and extended office hours -- is associated with lower mortality, according to a new national UC Davis study. Published in the January-February issue of the Annals of Family Medicine, the research is the first to link the availability of three specific attributes of primary care with reduced risk of death. -
21:24A new classification for diagnosing fibrosis in patients with chronic hepatitis C virus (HCV) has shown to be as accurate as currently used algorithms, but required no further liver biopsy. The study appearing in the January issue of Hepatology, a journal published by Wiley-Blackwell on behalf of the American Association for the Study of Liver Diseases, details a method that synchronously combines two fibrosis tests, providing a non-invasive and more precise fibrosis diagnosis.
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21:24(Medical Xpress) -- Researchers at Johns Hopkins have shown that DNA changes in a gene that drives the growth of a form of lung cancer can make the cancer’s cells resistant to cancer drugs. The findings show that some classes of drugs won’t work, and certain types of so-called kinase inhibitors like erlotinib—may be the most effective at treating non-small cell lung cancers with those DNA changes. Some kinase inhibitors block a protein known as EGFR from directing cells to multiply.
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21:24Thousands of broken trees line the banks of the Chattooga River. The dead gray stabs were once evergreen monsters offering shade to trout and picturesque views to visitors. These Eastern hemlocks are dying rapidly, and University of Georgia researchers are working to save them.
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21:17
Cosmetic chemical hinders brain development in tadpoles
A new study finds that low concentrations of the chemical methylisothiazolinone has subtle but measurable negative effects on the neural development of tadpoles. The chemical is found in some cosmetics, although the study does not provide any evidence that cosmetics are unsafe for humans.
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21:17People harbor more than 100 trillion microbes. These microbes live in various habitats on and within the human anatomy; the gut houses the densest population of all, containing hundreds of bacterial species. Scientists detected organizational shifts away from the normal lean state in the gut flora of people who were obese. The differences relate to how the microbial community interacts with the human gut environment, rather than variations in its core energy-use processes.
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21:17Scientists propose a "repair-and-go" approach to fixing malfunctions caused by small-surface cracks on any digital device or part before it hits store shelves.
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21:17Greater access to features of high-quality primary care -- comprehensiveness, patient-centeredness and extended office hours -- is associated with lower mortality, according to a new national U.S. study.
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21:17Thousands of broken trees line the banks of the Chattooga River. The dead gray stabs were once evergreen monsters offering shade to trout and picturesque views to visitors. These Eastern hemlocks are dying rapidly, and researchers are working to save them.
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21:17Simultaneous radio and X-ray observations allow astronomers to calculate exact time when superfast "bullets" of material were ejected from the close vicinity of a black hole.
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21:17A new analysis of satellite data from the late 1990s documents for the first time the "uplift" of ground above a site of underground nuclear testing, providing researchers a potential new tool for analyzing the strength of detonation. The findings provide another forensic tool for evaluation, especially for the potential explosive yield estimates.
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21:12
York rated greenest university in Canada
York University ranks first among Canadian universities for the second year in a row in a global campus sustainability survey.
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21:04
Galactic Cluster Clash Spotted in Early Universe
Say hello to "El Gordo," one of the biggest cosmic collisions you will ever witness. -
20:56
New Yorkers Protest Fracking Outside Environmental Hearing (ContributorNetwork)
ContributorNetwork - Hundreds of fracking protestors and supporters gathered outside a New York Department of Environmental Conservation hearing to make their feelings known before the environmental regulations public input session ended this morning, according to the New York Daily News. -
20:24(PhysOrg.com) -- An Austin, Texas, team has developed an electric skateboard that makes use of Microsoft’s Kinect and a Samsung tablet running Windows 8 to go places on a piece of transport dubbed The Board of Awesomeness. Scheduled for showing at the CES show in Las Vegas, the board teams up with the Windows 8 Samsung tablet and Kinect controller. The smartened-up device has capabilities that include combined video and speech recognition location and accelerometer data.
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20:24Nanopores provide a versatile tool for probing molecular structures. A new German study shows that one can obtain more detailed information about the dynamic behavior of nucleic acids during passage through nanopores by directing them to asymmetric pores for the return journey.
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20:24Scientists, health officials, and manufacturers already know that a chemical preservative found in some products, including cosmetics, is harmful to people and animals in high concentrations, but a new Brown University study in tadpoles reports that it can also interrupt neurological development even in very low concentrations.
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20:24An Emory University study published in the January issue of Health Affairs assesses real-world lifestyle interventions to help delay or prevent the costly chronic disease that affects nearly 26 million Americans.
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20:24The great variation of a specific form of immune genes makes organ transplants so complicated. On the other hand, we need such a great variability in order to resist infectious diseases. This is why it also plays a major role in the selection of sexual partners. Up until now, the mechanisms for maintaining this standing genetic variation have remained an evolutionary puzzle. In a study of sticklebacks, researchers from the Max Planck Institute for Evolutionary Biology in Plön, together with colleagues from the Helmholtz Center for Marine Research in Kiel, have now shown that reoccurring infectious diseases determine which individuals produce a particularly large number of offspring in a population, and which immune genes increase in frequency in the next host generation. Infections are thus the drivers for this variability.
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20:24New research at Oregon State University provides evidence for the first time that disruption of circadian rhythms – the biological "clocks" found in many animals – can clearly cause accelerated neurodegeneration, loss of motor function and premature death.
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20:24Binge drinking is more common in the United States than previously thought, particularly among young adults, though the most frequent offenders are over 65, said a US government study on Tuesday.
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20:24Engineering researchers at Rensselaer Polytechnic Institute have developed a new method for creating advanced nanomaterials that could lead to highly efficient refrigerators and cooling systems requiring no refrigerants and no moving parts. The key ingredients for this innovation are a dash of nanoscale sulfur and a normal, everyday microwave oven.
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20:24A turning point in the history of life occurred 2 to 3 billion years ago with the unprecedented appearance and dramatic rise of molecular oxygen. Now researchers report they have identified an enzyme that was the first – or among the first – to generate molecular oxygen on Earth.
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20:24With recent advances in technology and design, treating municipal wastewater and reusing it for drinking water, irrigation, industry, and other applications could significantly increase the nation's total available water resources, particularly in coastal areas facing water shortages, says a new report from the National Research Council. It adds that the reuse of treated wastewater, also known as reclaimed water, to augment drinking water supplies has significant potential for helping meet future needs. Moreover, new analyses suggest that the possible health risks of exposure to chemical contaminants and disease-causing microbes from wastewater reuse do not exceed, and in some cases may be significantly lower than, the risks of existing water supplies.
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20:24A new analysis of satellite data from the late 1990s documents for the first time the "uplift" of ground above a site of underground nuclear testing, providing researchers a potential new tool for analyzing the strength of detonation.
Naposledy aktualizované zdroje
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Guardian Unlimited Science (dnes, 12:00)
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BBC Science/Nature (dnes, 10:02)
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NYT > Science (dnes, 07:07)
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EurekAlert (dnes, 06:00)
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ScienceNOW (dnes, 01:12)
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National Geographic News (dnes, 00:48)
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Sci-Tech Today (24. 5, 23:45)
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NASA (24. 5, 21:35)
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TIME (23. 5, 08:40)
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Technology Review Feed - Tech Review Top Stories (16. 1, 22:07)
