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101 articles from SUNDAY 22.4.2012
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SUNDAY 22. APRIL, 2012
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Most people have likely experienced brain freeze — the debilitating, instantaneous pain in the temples after eating something frozen — but researchers didn't really understand what causes it, until now.
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Soy protein could significantly reduce fat accumulation and triglycerides in the livers of obese patients by partially restoring the function of a key signaling pathway in the organ, according to new research.
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What does lemon pan sauce chicken have to do with biochemistry and molecular biology? Some will say that successful execution of the dish requires the Maillard reaction, a chemical process that's responsible for the flavors and colors in a variety of food.
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The bacterium Burkholderia cenocepacia is harmless in healthy people but causes a severe and persistent lung infection in cystic fibrosis patients and is resistant to nearly all known antibiotics. The bacterium interferes with an important survival process in cells whose job is to fight infection. This phenomenon is even stronger in CF patients, new research shows.
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While the artist’s haunting self-portraits focus largely on anatomy and failed reproduction attempts, relatively little attention has been paid to her own body and infertility.
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Researchers have found that consuming fruit bolsters cells’ power centers against harmful free radicals.
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With more than 1.7 million people sustaining a traumatic brain injury each year, the need to identify processes to limit inflammation and subsequent damage is critical. New research demonstrates that estrone provides anti-inflammatory and antioxidant capabilities that are important after traumatic brain injury.
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Chronic pain affects about 76 million people in the U.S. and carries an economic burden of nearly $100 billion annually. The most frequently used medications, narcotic and non-narcotic analgesic drugs (e.g., morphine, ibuprofen, etc.), do not provide complete or sustained relief of chronic pain. Scientists are currently seeking alternative solutions for chronic pain management. One possible solution is hyperbaric oxygen (HBO2) therapy.
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Amid the steady drumbeat from nutrition experts and others to consume a healthier diet -- particularly one rich in fruits and vegetables -- there often is a bias to eat more of the fresh variety for optimal nutrition. But is fresh always best? Not necessarily.
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A new potential vaccine carrier may extend the shelf life of and aid in the stockpiling of critical vaccines. A new microemulsion has been found to be both stable and a good candidate for delivering a variety of antigens.
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Preliminary data hint at how extracts from the tree, abundant in tropical and subtropical areas, may stop the virus from multiplying.
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Materials scientists in France said on Sunday they had made highly-conductive plastic wires on the nanoscale, an invention with potential for mobile devices, computing and solar energy.
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The Arctic Ocean could be a significant contributor of methane, a powerful greenhouse gas, scientists reported on Sunday.
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Underneath the ground in southwestern Pennsylvania, bedrock is put under explosive pressure to fracture and spill out its lucrative cache of natural gas.
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A prize-winning, super energy saving LED bulb from Dutch electronics giant Philips, said to last over 20 years, went on sale online and in stores Sunday to coincide with Earth Day.
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Has Dr. Rita Levi Montalcini unlocked the secret of eternal life? The oldest living and the longest-lived Nobel laureate in history, Montalcini celebrates today her 103th birthday.
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SAN DIEGO — In the western San Bernardino Mountains, near the highway that links Los Angeles and Las Vegas, scientists recently discovered a geological mystery: colossal rocks perched in precarious poses right next door to the San Andreas Fault.
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Earth Day -- a global event held annually to draw attention to environmental issues -- has inspired scores of Canadians to attend festivals, hold rallies, and plant seeds of change.
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A key protein, which may be activated to protect nerve cells from damage during heart failure or epileptic seizure, has been found to regulate the transfer of information between nerve cells in the brain. The discovery could lead to novel new therapies for stroke and epilepsy.
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New research reveals that repeated exposure to cocaine decreases the activity of a protein necessary for normal functioning of the brain's reward system, thus enhancing the reward for cocaine use, which leads to addiction. Investigators were also able to block the ability of repeated cocaine exposure, to induce addiction.
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Researchers have revealed how protons move in phosphoric acid in a study that sheds new light on the workings of a promising fuel cell electrolyte.
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Corn, America's No. 1 crop, could see its prime growing region shift to the Canadian border or its price volatility increase sharply within 30 years. A new study points to climate change as the cause.
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Through a combination of atomic-scale materials design and ultrafast measurements, researchers have revealed new insights about how heat flows across an interface between two materials. The researchers demonstrated that a single layer of atoms can disrupt or enhance heat flow across an interface, a finding with implications for future technologies and for materials research.
Naposledy aktualizované zdroje
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PhysOrg (dnes, 20:25)
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ScienceNOW (dnes, 20:24)
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CBC - Technology & Science News (dnes, 20:02)
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Technology Review Feed - Tech Review Top Stories (dnes, 19:30)
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ScienceDaily (dnes, 19:17)
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Guardian Unlimited Science (dnes, 19:10)
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Yahoo! (dnes, 18:46)
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National Geographic News (dnes, 18:04)
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Sci-Tech Today (dnes, 17:47)
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BBC Science/Nature (dnes, 11:20)
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EurekAlert (dnes, 06:00)
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NYT > Science (23. 5, 20:04)
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NASA (17. 5, 02:56)
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Discovery (7. 3, 18:11)
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TIME (27. 7, 08:30)



