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62,854 articles from ScienceDaily
- title
- ScienceDaily
- tags
- description
- Daily headlines about discoveries in the physical and life sciences, health and medicine, the environment, and technology, from the world's leading universities and research centers.
- last updated
- February 6, 2012 (21:41)
- homepage
- http://www.sciencedaily.com
- feed url
- http://www.sciencedaily.com/newsfeed.xml
- date added
- September 3, 2007 (19:52)
- meta
- alexa, technorati, rojo
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SUNDAY 27. SEPTEMBER, 2009
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A team of engineers and artists has developed a way to create glass objects using a conventional 3-D printer. The technique allows a new type of material to be used in such devices.
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Scientists have copied the natural glue secreted by a tiny sea creature called the sandcastle worm in an effort to develop a long-sought medical adhesive needed to repair bones shattered in battlefield injuries, car crashes and other accidents.
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A network of proteins underlying the plasma membrane keeps epithelial cells in shape and maintains their orderly hexagonal packing in the mouse lens, according to new research.
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Heavier rainstorms lie in our future. That's the clear conclusion of a new study on the impact that global climate change will have on precipitation patterns.
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Scientists can now explain how prolonged stress sparks the endoplasmic reticulum to release its calcium stores, inducing cells to undergo apoptosis in several aging-related diseases.
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SATURDAY 26. SEPTEMBER, 2009
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Researchers in Spain have developed a new method for identifying the flammability of plant species by using a device that measures how construction materials react to fire. The technique can be used to improve fire risk maps.
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Teenagers' attitudes to diet and weight are shaped by their social class, according to new research. Policymakers have long insisted on the importance of understanding young people's health and eating habits but this is the first study to show how everyday practices and perceptions of different social classes contribute to variation in the diet, weight and health of teenagers.
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"Green" roofs, those increasingly popular urban rooftops covered with plants, could help fight global warming, scientists in Michigan are reporting. Their study is the first of its kind to examine the ability of green roofs to sequester carbon which may impact climate change.
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Scientists have made an important discovery in understanding what causes arteries to clog up. They have discovered that an enzyme called matrix metalloproteinase-8 plays a crucial role in raising blood pressure and causing abnormal build-up of cells in the arteries -- both of which increase the risk of heart disease. The scientists say that their research could lead to new drugs for treating high blood pressure and preventing heart disease.
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A new study demonstrates that the same proteins produced by humans early during infection are also made by fish early after exposure to harmful germs. These proteins activate the fish immune system in a process that resembles that in humans. But unlike humans, the inflammatory response in young zebrafish is simple, making it easier to tease out the pathways involved in the fight against infection.
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A majority of medical schools surveyed report they have experienced incidents of students posting unprofessional content online, including incidents involving violation of patient confidentiality, with few schools having policies to address these types of postings, according to a new study.
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Obesity is an important factor contributing to chemotherapy resistance and increasing relapse rates among children with leukemia, according to recent findings.
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Using state-of-the-art electron microscopy techniques, researchers have for the first time visualized and described the precise arrangement of chemoreceptors -- the receptors that sense and respond to chemical stimuli -- in bacteria. In addition, they have found that this specific architecture is the same throughout a wide variety of bacterial species, which means that this is a stable, universal structure that has been conserved over evolutionary time.
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Huachansu, a Chinese medicine that comes from the dried venom secreted by the skin glands of toads, has tolerable toxicity levels, even at doses eight times those normally administered, and may slow disease progression in some cancer patients, say US researchers.
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Researchers have shown for the first time that patterns of ultrasound signals can be used to identify whether or not cancer has started to spread in melanoma patients, and to what extent. The discovery enables doctors to decide on how much surgery, if any, is required and to predict the patient's probable survival.
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Since the introduction of statins to treat high cholesterol, the decline in lipid levels experienced by the wealthy has been double that experienced by the poor. Statin use may have contributed to expanding social disparities in the treatment of cardiovascular disease, according to new research.
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Scientists have discovered molecules that could confuse insects' ability to detect plants by interfering with their sense of smell. This could reduce damage to crops by insect pests and contribute to food security.
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A dark red area discovered on the dwarf planet Haumea appears to be richer in minerals and organic compounds than the surrounding icy surface.
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Late-breaking results from the PROSPECT clinical trial shed new light on the types of vulnerable plaque that are most likely to cause sudden, unexpected adverse cardiac events, and on the ability to identify them through imaging techniques before they occur.
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Insulin resistance, the hallmark of type 2 diabetes and a condition often associated with obesity, is paradoxically also an apparent contributor to muscle wasting and severe fat loss that accompanies some cancers, according to new research.
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The next generation of technology to turn saltwater into a fresh resource is on tap for the Navy. The Office of Naval Research is sponsoring the development of an innovative solution for generating potable water at twice the efficiency of current production for forces afloat, Marine Corps expeditionary forces and humanitarian missions ashore.
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Exposure to tetrachloroethylene (also known as perchlorethylene, PCE) may cause congenital birth defects. A study of expectant women exposed to PCE in drinking water found an increased risk of oral clefts and neural tube defects in their children.
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The Merkel cell polyomavirus is the only human polyomavirus known to be associated with a rare skin cancer, known as Merkel cell carcinoma, according to a new study.
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A new study that reports precise ages for glacial moraines in southern Peru links climate swings in the tropics to those of Europe and North America during the Little Ice Age approximately 150 to 350 years ago. The study brings scientists one step closer to understanding global-scale patterns of glacier activity and climate during the Little Ice Age.
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H1N1 influenza could slow growth in key industries and stall already-weak GDP growth in the third and fourth quarters of 2009, says one health economist.
Naposledy aktualizované zdroje
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PhysOrg (dnes, 00:24)
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Discovery (6. 2, 22:42)
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ScienceNOW (6. 2, 22:33)
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ScienceDaily (6. 2, 21:41)
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Guardian Unlimited Science (6. 2, 21:30)
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CBC - Technology & Science News (6. 2, 19:14)
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BBC Science/Nature (6. 2, 18:05)
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Sci-Tech Today (6. 2, 17:43)
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TIME (6. 2, 11:30)
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EurekAlert (6. 2, 06:00)
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NASA (2. 2, 21:27)
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Technology Review Feed - Tech Review Top Stories (16. 1, 22:07)

