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63,002 articles from ScienceDaily

• THURSDAY 16. APRIL, 2009
• 03:35 Researchers Unravel Neuronal Circuitry Keeping Metabolism And Fat Storage In Check

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  Scientists have unravelled novel aspects of the biochemical signalling pathways that enable the tiny roundworm, C. elegans, to modify its metabolism in response to food using a neurochemical signaling system that has parallels in mammals.  

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• 03:35 Music Reduces Stress In Heart Disease Patients

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  Listening to music may benefit patients who suffer severe stress and anxiety associated with having and undergoing treatment for coronary heart disease. A new review found that listening to music could decrease blood pressure, heart rate, and levels of anxiety in heart patients.  

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• 03:35 Alzheimer's Disease: Dispute About How The Disease Might Kill Brain Cells Resolved

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  For a decade, Alzheimer's disease researchers have been entrenched in debate about one of the mechanisms believed to be responsible for brain cell death and memory loss in the illness.  

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• 03:35 Gene Fusion Discovery May Lead To Improved Prostate Cancer Test

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  A newly discovered gene fusion is highly expressed in a subset of prostate cancers, according to a new study. The findings may lead to more accurate tests for prostate cancer. The gene fusion biomarker may also represent an entirely new mechanism that cancer cells use to outgrow their healthy neighbors.  

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• 03:35 Veterinary Oncologists Advance Cancer Drugs For Humans And Pets

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  As more pet owners are choosing to treat their pets' cancers through advanced medicine, veterinarians gain valuable knowledge about the progression and treatment of cancers in humans through pet trials of new drugs. To help organize nationwide trials in tumor-bearing dogs using cancer drugs.  

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• 03:35 Giving Birth: Upright Positions Shorten First Stage Labor

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  Lying down during the early stages of childbirth may slow progress, according to a new systematic review. Researchers found that the first stage of labor was significantly shorter for women who kneel, stand up, walk around, or sit upright as opposed to lying down.  

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• 03:35 Stroke Patient's Own Stem Cells Used In Trial For First Time

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  Stroke patient Roland Henrich, 61, is the first patient in the United States to receive his own bone marrow stem cells intravenously as part of a Phase I study on the safety of the procedure.  

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• 02:30 Home Tooth Bleaching Slightly Reduces Enamel Strength

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  New research shows that human teeth lost some enamel hardness after the application of several different products used in the home to whiten teeth. The study suggests that future generations of such products might be reformulated in an effort to reduce these side effects. But this is the first study to show at a nanometer scale -- measuring in billionths of a meter -- how human teeth are affected by the popular home whiteners.  

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• 02:30 Impact Of Floods On Soils

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  Researchers have examined the effects of flooding on soil, and have discovered new ways in which short-term ponding conditions can affect soil aggregation and the chemistry of the soil-water system. These conditions can have a great impact on soil quality and agriculture in the region.  

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• 02:30 Climate Change Makes Migrations Longer For Birds

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  Bird migrations are likely to get longer according to the first ever study of the potential impacts of climate change on the breeding and winter ranges of migrant birds.  

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• 02:30 New Method Could Lead To Narrower Chip Patterns

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  Researchers have found a novel method for etching extremely narrow lines on a microchip, using a material that can be switched from transparent to opaque, and vice versa, just by exposing it to certain wavelengths of light.  

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• 02:30 Novel Technique To Sequence Human Genome Created

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  Physicists have developed a novel procedure to map a person's genome. They report in the journal Nanotechnology the first experiment to move a DNA chain through a nanopore using magnets. The approach is promising because it allows multiple segments of a DNA strand to be read simultaneously and accurately.  

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• 02:30 Red Pandas Reveal An Unexpected (artificial) Sweet Tooth

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  The red panda is the first non-primate mammal to display a liking for the artificial sweetener aspartame. This unexpected affinity for an artificial sweetener may reflect structural variation in the red panda's sweet taste receptor. The findings may shed light on how individual taste preferences and diet choice are shaped by molecular differences in taste receptors.  

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• 02:30 Farmers Relying On Herbicide Roundup Lose Some Of Its Benefit

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  Roundup Ready crops have made weed control much easier for farmers, but a new study shows their reliance on the technology may be weakening the herbicide's ability to control weeds.  

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• 02:30 Nanoribbons From Sliced Open Nanotubes: New, Faster, More Accurate Method

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  Scientists have developed a new method that will allow relatively precise production of mass quantities of the tiny ribbons by slicing open carbon nanotubes. Until now, researchers had no reliable way of creating the large quantities of uniform nanoribbons needed to conduct extensive studies.  

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• 02:30 Archeologists Discover Temple That Sheds Light On So-called Dark Age

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  The discovery of a remarkably well-preserved monumental temple in Turkey -- thought to be constructed during the time of King Solomon in the 10th/9th-centuries BC -- sheds light on the so-called Dark Age.  

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• 02:30 New Species Of Lichen Named After President Barack Obama

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  A lichen expert has discovered a new species of lichen, and named it after President Obama. He discovered the new species while doing a survey for lichen diversity on Santa Rosa Island, Calif. He made the final collections of Caloplaca obamae during the suspenseful final weeks of President Obama's campaign for the United States presidency. He completed the final draft of his research paper on the day of President Obama's inauguration.  

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• 02:30 Prehistoric Turtle Goes To Hospital For CT Scan In Search For Skull, Eggs, Embryos

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  Researchers recently took a 75-million-year-old turtle for a CT scan to look for its skull, additional eggs and possible embryos.  

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• 02:30 One-story Masonry Building Survives Strong Jolts During Seismic Tests

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  A one-story masonry structure survived two days of intense earthquake jolts after engineering researchers put it to the test.  

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• 02:30 Specific Lung Cancer Susceptibility Gene Identified

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  Cancer cell biologists have identified a distinct gene linked to increased lung cancer susceptibility and development. They say this gene -- known as RGS17 -- could result in a genetic predisposition to develop lung cancer for people with a strong family history of the disease.  

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• WEDNESDAY 15. APRIL, 2009
• 20:00 Imaging Reveals Abnormalities In Pathways Connecting Brain Areas In Those With Writer's Cramp

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  Abnormalities in the fibers connecting different brain areas may contribute to muscle disorders such as writer's cramp, according to a new report.  

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• 20:00 Energy Drinks Work -- In Mysterious Ways

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  Researchers not only show that sugary drinks can significantly boost performance in an endurance event without being ingested, but so can a tasteless carbohydrate -- and they do so in unexpected ways.  

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• 20:00 Three Neanderthal Sub-groups Confirmed

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  The Neanderthals inhabited a vast geographical area extending from Europe to western Asia and the Middle East 30,000 to 100,000 years ago. Now, a group of researchers are questioning whether or not the Neanderthals constituted a homogenous group or separate sub-groups (between which slight differences could be observed). A new study may provide some answers.  

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• 20:00 Mechanism Of Cell Type-specific Signaling In Tumor Development Discovered

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  Researchers have discovered the mechanisms behind two key checkpoints in cell growth and development -- factors that may ultimately allow investigators to benchmark progression of tumor cells or stop them from further development.  

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• 20:00 SAT, Classroom Grades And College Readiness: Reflections On 100 Years Of Testing

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  Although more than three million high school seniors take standardized college admissions tests like the SAT, "it is well known by educational researchers that high-school grades are the best indicator of student readiness for college, and standardized admissions tests are useful primarily as a supplement to the high-school record," according to an expert.  

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