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86 articles from SUNDAY 22.1.2012
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SUNDAY 22. JANUARY, 2012
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23:01
New Genetic Clues to Breast Cancer? (HealthDay)
HealthDay - SUNDAY, Jan. 22 (HealthDay News) -- Researchers have identified three new genomic regions they believe are linked with breast cancer that may help explain why some women develop the disease. -
22:44LiveScience.com - A new study of single young men finds that 43 percent report pressuring or forcing a woman to do something sexual against her will at least once. But according to the results, there may be differences between those men who are sexually coercive only as teens and those who continue into adulthood.
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21:38AP - Freezing drizzle and rain made roads slick Sunday as a winter weather system moved across portions of the Upper Midwest, and the precipitation was expected to begin changing over into snow that could continue into Monday.
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21:25
Cooling semiconductor by laser light
Researchers have combined two worlds – quantum physics and nano physics, and this has led to the discovery of a new method for laser cooling semiconductor membranes. Semiconductors are vital components in many electronics, and the efficient cooling of components is important for future quantum computers and ultrasensitive sensors. The new cooling method works quite paradoxically by heating the material. Using lasers, researchers cooled membrane fluctuations to minus 269 degrees C.
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21:25Scientists have identified a finely tuned mechanism by which fetal heart muscle develops into a healthy and fully formed beating heart -- offering new insight into the genetic causes of congenital heart disease and opening the door to one day developing therapies to fight this chronic and potentially fatal disorder.
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21:25Analyzing all the genes of dozens of people suffering from a rare form of hypertension, researchers have discovered a new mechanism that regulates the blood pressure of all humans.
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21:25Researchers have created synthetic nanoparticles that target lymph nodes and greatly boost vaccine responses.
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21:24Researchers in Japan have clarified the crystal structure of quinol dependent nitric oxide reductase (qNOR), a bacterial enzyme that offers clues on the origins of our earliest oxygen-breathing ancestors. In addition to their importance to fundamental science, the findings provide key insights into the production of nitrogen oxide, an ozone-depleting and greenhouse gas hundreds of times more potent than carbon dioxide.
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21:24Millions of people worldwide suffer from a type of chronic pain called neuropathic pain, which is triggered by nerve damage. Precisely how this pain persists has been a mystery, and current treatments are largely ineffective. But scientists, using a new approach known as metabolomics, have now discovered a major clue: dimethylsphingosine (DMS), a small-molecule byproduct of cellular membranes in the nervous system. In their new study, the scientists found that DMS is produced at abnormally high levels in the spinal cords of rats with neuropathic pain and appears to cause pain when injected. The findings suggest inhibiting this molecule may be a fruitful target for drug development.
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21:23
Concordia Could Get Chained to the Reef
Engineers propose anchoring the ship to the reef and sea bottom using 4-inch-diameter steel ropes. -
21:00
Does voting in a church turn you into a Tory?
A new study suggests that the kind of building your polling station is may well affect how you vote
On polling day in 1964, Harold Wilson persuaded the BBC to reschedule Steptoe and Son because he feared its 9pm slot would decimate the Labour vote. The weather, too, is supposed to influence elections: rain in the evening is said to be bad for the working-class Labour turnout; a wet morning supposedly hits the retired Tory vote. (In fact, there's no statistical correlation.)
But it seems where you vote may well influence your decision. A new US study has found "significantly more conservative social and political attitudes" among people near churches than those near municipal buildings like schools. Since both serve as polling stations, voting location could affect a close-run election.
The research is reinforced by a 2008 study by Stanford business school, which found that in Arizona's 2000 elections, people voting in schools were – regardless of other factors – more likely to support higher education spending. In a control experiment, people shown images of churches proved less likely to back stem cell funding. "Environmental cues", they concluded, may in some cases influence voting outcomes even more than political views.
guardian.co.uk © 2012 Guardian News and Media Limited or its affiliated companies. All rights reserved. | Use of this content is subject to our Terms & Conditions | More Feeds
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20:58AP - June Tierney and Kellie Burke never envisioned island living in the Vermont woods, but Tropical Storm Irene had other ideas.
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19:24
DNA motor programmed to navigate a network of tracks
Expanding on previous work with engines traveling on straight tracks, a team of researchers at Kyoto University and the University of Oxford have successfully used DNA building blocks to construct a motor capable of navigating a programmable network of tracks with multiple switches. The findings, published in the January 22 online edition of the journal Nature Nanotechnology, are expected to lead to further developments in the field of nanoengineering. -
19:24Chronic inflammation combines with DNA methylation, a process that shuts down cancer-fighting genes, to promote development of colorectal cancer, scientists at The University of Texas MD Anderson Cancer Center report today in the advance online publication of the journal Nature Medicine.
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19:24Researchers at the RIKEN SPring-8 Center in Harima, Japan, have clarified the crystal structure of quinol dependent nitric oxide reductase (qNOR), a bacterial enzyme that offers clues on the origins of our earliest oxygen-breathing ancestors. In addition to their importance to fundamental science, the findings provide key insights into the production of nitrogen oxide, an ozone-depleting and greenhouse gas hundreds of times more potent than carbon dioxide.
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19:24January 22, 2012 – Millions of people worldwide suffer from a type of chronic pain called neuropathic pain, which is triggered by nerve damage. Precisely how this pain persists has been a mystery, and current treatments are largely ineffective. But a team led by scientists from The Scripps Research Institute, using a new approach known as metabolomics, has now discovered a major clue: dimethylsphingosine (DMS), a small-molecule byproduct of cellular membranes in the nervous system. In their new study, the scientists found that DMS is produced at abnormally high levels in the spinal cords of rats with neuropathic pain and appears to cause pain when injected. The findings suggest inhibiting this molecule may be a fruitful target for drug development.
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19:24Researchers at the Niels Bohr Institute have combined two worlds – quantum physics and nano physics, and this has led to the discovery of a new method for laser cooling semiconductor membranes. Semiconductors are vital components in solar cells, LEDs and many other electronics, and the efficient cooling of components is important for future quantum computers and ultrasensitive sensors. The new cooling method works quite paradoxically by heating the material. Using lasers, researchers cooled membrane fluctuations to minus 269 degrees C. The results are published in the scientific journal, Nature Physics.
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19:24Scientists at the Gladstone Institutes have identified a finely tuned mechanism by which fetal heart muscle develops into a healthy and fully formed beating heart—offering new insight into the genetic causes of congenital heart disease and opening the door to one day developing therapies to fight this chronic and potentially fatal disorder.
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19:24Carbon dioxide emissions from the burning of coal, oil, and gas have been increasing over the past decades, causing the Earth to get hotter and hotter. There are concerns that a continuation of these trends could have catastrophic effects, including crop failures in the heat-stressed tropics. This has led some to explore drastic ideas for combating global warming, including the idea of trying to counteract it by reflecting sunlight away from the Earth. However, it has been suggested that reflecting sunlight away from the Earth might itself threaten the food supply of billions of people.
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19:24Under a year since a huge tsunami inundated paddy fields in Japan with salty sludge, scientists are near to developing locally-adapted, salt-tolerant rice. Following a Japan-UK research collaboration, a new method for marker assisted breeding is being used to slash the time it takes to isolate new traits such as salt tolerance. Details of the new method, called MutMap, will be published in Nature Biotechnology on Sunday so they can be used by scientists and breeders worldwide to dramatically accelerate crop breeding.
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19:24Doctors and researchers of Hospital del Mar and its research institute, the IMIM, have lead a study describing a new pharmacological resistance to cancer. This new mechanism is a mutation in an oncogene called EGFR (epidermal growth factor receptor) causing resistance to treatment using a drug called cetuximab, a monoclonal antibody which specifically attacks the EGFR.
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19:24Analyzing all the genes of dozens of people suffering from a rare form of hypertension, Yale University researchers have discovered a new mechanism that regulates the blood pressure of all humans.
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19:24Recent carbon dioxide emissions have pushed the level of seawater acidity far above the range of the natural variability that existed for thousands of years, affecting the calcification rates of shell-forming organism. These findings by an international team of scientists appear in the Jan. 22 online issue of Nature Climate Change.
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19:24Researchers at Duke University Medical Center have created synthetic nanoparticles that target lymph nodes and greatly boost vaccine responses, said lead author Ashley St. John, Ph.D., a researcher at Duke-NUS Graduate Medical School.
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19:07
Researchers map 3D cancer protein
Scientists create a 3D map of a key protein which protects against the development of cancer.
Naposledy aktualizované zdroje
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TIME (dnes, 11:00)
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NYT > Science (dnes, 10:00)
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CBC - Technology & Science News (dnes, 09:11)
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EurekAlert (dnes, 06:00)
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ScienceNOW (22. 2, 23:37)
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National Geographic News (22. 2, 23:03)
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Sci-Tech Today (22. 2, 22:01)
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NASA (22. 2, 17:36)
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Technology Review Feed - Tech Review Top Stories (16. 1, 22:07)
