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445 articles from WEDNESDAY 1.2.2012
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WEDNESDAY 1. FEBRUARY, 2012
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23:32
Are jellyfish increasing in world's oceans?
A global study has questioned claims that jellyfish are increasing worldwide. Blooms, or proliferation, of jellyfish have shown a substantial, visible impact on coastal populations -- clogged nets for fishermen, stinging waters for tourists, even choked intake lines for power plants -- and recent media reports have created a perception that the world's oceans are experiencing increases in jellyfish due to human activities such as global warming and overharvesting of fish. Now, a new global and collaborative study questions claims that jellyfish are increasing worldwide and suggests claims are not supported with any hard evidence or scientific analyses to date.
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23:32Researchers have discovered a brief 10-minute massage helps reduce inflammation in muscle. As a non-drug therapy, massage holds the potential to help not just bone-weary athletes but those with inflammation-related chronic conditions, such as arthritis or muscular dystrophy. While massage is well accepted as a therapy for relieving muscle tension and pain, the researchers delved deeper to find it also triggers biochemical sensors that can send inflammation-reducing signals to muscle cells.
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23:32The same gene mutations linked to inherited, early-onset Alzheimer’s disease have been found in people with the more common late-onset form of the illness. The discovery may lead doctors and researchers to change the way Alzheimer’s disease is classified.
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23:25
Pictures: Civil War Sub Finally Revealed
See the wreck of the Hunley—the world's first submarine to sink an enemy ship—finally unveiled after 11 years in a steel truss. -
23:24
Finland's UPM to make biodiesel from wood pulp
Finnish papermaker UPM said Wednesday it plans to build the world's first industrial-scale plant to refine a byproduct of wood pulp into biodiesel. -
23:24A research team led by investigators at Mayo Clinic in Florida has found that a small device worn on a patient's brow can be useful in monitoring stroke patients in the hospital. The device measures blood oxygen, similar to a pulse oximeter, which is clipped onto a finger.
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23:24Blooms, or proliferation, of jellyfish have shown a substantial, visible impact on coastal populations – clogged nets for fishermen, stinging waters for tourists, even choked intake lines for power plants – and recent media reports have created a perception that the world's oceans are experiencing increases in jellyfish due to human activities such as global warming and overharvesting of fish. Now, a new global and collaborative study questions claims that jellyfish are increasing worldwide and suggests claims are not supported with any hard evidence or scientific analyses to date.
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23:24What does being committed to your marriage really mean? UCLA psychologists answer this question in a new study based on their analysis of 172 married couples over the first 11 years of marriage.
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23:24Physicians at three transplant centers have found in a pilot study that a majority of children who receive liver tissue from a parent can eventually stop using immunosuppression (anti-rejection) medications safely. These drugs, which tamp down natural immune function, have been linked to a bevy of complications, including cancer, diabetes, hypertension and kidney failure.
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23:24After a decade-long battle against file-sharing, music and technology giants are now pushing users to share to their hearts' content, with online music recommendations a key issue at the MIDEM trade fair that wrapped up Tuesday.
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23:24Today's alarmingly high rate of plant extinction necessitates an increased understanding of the world's biodiversity. An estimated 15 to 30 percent of the world's flowering plants have yet to be discovered, making efficiency an integral function of future botanical research—but how is this best accomplished? Botanist Dr. Gerrit Davidse, John S. Lehmann Curator of Grasses at the Missouri Botanical Garden in St. Louis has collaborated with eight British botanists to quantify the role of plant collectors in the discovery of plant diversity. Their findings show a disproportionately high percentage of the world's plant discoveries have been made by just two percent of the world's most prolific and experienced collectors, implying that identifying and funding this small number of experts in the right geographic locations is vital to any effective strategy to document the world's flora. The study was published Wednesday, Feb. 1 in the British scientific journal Proceedings of the Royal Society B.
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23:24A recently published study by the Wildlife Conservation Society and others reveals that humpback whales on both sides of the southern Indian Ocean are singing different tunes, unusual since humpbacks in the same ocean basin usually all sing very similar songs.
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23:24Scientists at the University of California, San Francisco (UCSF) have identified nearly 200 genes in the healthy prostate tissue of men with low-grade prostate cancer that may help explain how physical activity improves survival from the disease.
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23:24Scientists study the movement of charge carriers to design an organic LED that is energy efficient and still casts a warm, natural glow.
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23:24In the classical model of gene expression, the genetic script encoded in our genomes is expressed in each cell in the form of RNA molecules, each consisting of a linear string of chemical "bases". It may be time to revise this traditional understanding of human gene expression, as new research suggests that circular RNA molecules, rather than the classical linear molecules, are a widespread feature of the gene expression program in every human cell. The results are published in the Feb. 1 issue of the online journal PLoS ONE.
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23:24When you sit down to read a restaurant menu, do you read it like a book? Or do your eyes flit from place to place to find the most enticing dish?
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23:24Share a meal with someone and you are both likely to mimic each other's behavior and take bites at the same time rather than eating at your own pace, says a study published in the Feb. 2 issue of the online journal PLoS ONE.
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23:24In order to find a method for more cost-effective data storage, a group of researchers from the DFG-Center for Functional Nanostructures (CFN) at the Karlsruhe Institute of Technology (KIT) in Germany and the National Tsing Hua University in Taiwan have created a DNA-based “write-once-read-many-times” (WORM) memory device.
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23:24Over the first few years of life, human cognition continues to develop, soaking up information and experiences from the environment and far surpassing the abilities of even our nearest primate relatives. In a study published online today in Genome Research, researchers have identified extended synaptic development in the human brain relative to other primates, a finding that sheds new light on the biology and evolution of human cognition.
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23:24(AP) -- A group of Internet hackers said Wednesday it took down the website of the Banco do Brasil, Brazil's largest state-run bank. It's the third such attack against financial institutions in a week.
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23:24A new study recently published in the Journal of Integrated Pest Management (JIPM) shows that from 2003 to 2008, the use of insecticide active ingredients was reduced by about 90% in University of Florida housing buildings after an Integrated Pest Management (IPM) program was implemented.
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23:24For patients suffering from severe pulmonary diseases including emphysema, lung cancer or fibrosis, transplantation of healthy lung tissue may offer the best chance for survival. The surgical procedure, however, faces two primary challenges: an acute shortage of donor lungs and rejection of transplanted tissue by the recipient's immune system.
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23:24Microsoft Corp. took out full-age ads in major newspapers Wednesday, slamming privacy policy changes at search rival Google Inc. that allow it to merge user data across its services.
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23:24A new map pinpoints well-defined areas of the Eastern United States where humans have the highest risk of contracting Lyme disease, one of the most rapidly emerging infectious diseases in North America, according to the U.S. Centers for Disease Control and Prevention. As part of the most extensive Lyme-related field study ever undertaken, researchers found high infection risk confined mainly to the Northeast, Mid-Atlantic and Upper Midwest and low risk in the South. The results were published in the February issue of the American Journal of Tropical Medicine and Hygiene. Given frequent over- and under-diagnosis of Lyme disease, the new map could arm the public and health officials with critical information on actual local risk.
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23:24Sick hearts may help to keep themselves beating longer with a device that could harvest energy from heartbeat-induced chest cavity vibrations.
Naposledy aktualizované zdroje
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Yahoo! (dnes, 12:12)
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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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Sci-Tech Today (24. 5, 23:45)
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Discovery (24. 5, 22:06)
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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)
