Medicine is managing a prolonged and record shortfall in the principal diagnostic-imaging isotope by triaging the most urgent patients, substituting less effective procedures and working longer hours.
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Posted in: on Monday, August 31, 2009 at at 8:26 PM 0 comments
A branch of mathematics called information theory could help computers pick out the most significant words in a text
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After the White House signaled it might be willing to drop a "public option" from any overhaul of health care, ex-Democratic Party Chairman Howard Dean urges the Obama administration to stand behind a government-run insurance program.
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Pediatric researchers have resolved an apparent contradiction in the field of prenatal cell transplantation - a medical approach that holds future promise in correcting sickle cell disease and other serious congenital blood disorders. In a new study in animals, the researchers showed that the mother's immune response interferes with the offspring's earlier ability to tolerate transplanted donor cells.
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After getting off to a slow start, the Atlantic hurricane season got busy Sunday as a tropical depression formed off the northern Gulf Coast of Florida, threatening to bring heavy rain and possible flooding to the area.
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Deep in Africa's Kalahari Desert lies the "Devil's claw," a plant that may hold the key to effective treatments for arthritis, tendonitis and other illnesses that affect millions each year. ...
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Iran's supreme leader appointed a hard-line cleric as the country's new judiciary chief following the end of his predecessor's term, state television reported Saturday.
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Posted in: on Sunday, August 30, 2009 at at 4:26 PM 0 comments
More than 1,200 new cars hit the roads of China's capital Beijing every day on average in the first seven months of the year, state media reported Sunday.
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(AP) -- The tribes of the lower Klamath River have since ancient times decorated themselves with condor feathers when they performed the dances designed to heal a world gone wrong.
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After searching for more than 50 years, scientists finally have discovered a number of new mosquito repellents that beat DEET, the gold standard for warding off those pesky, sometimes disease-carrying insects. The stuff seems like a dream come true. It makes mosquitoes buzz off three times longer than DEET, the active ingredient in many of today's bug repellents. It does not have the unpleasant odor of DEET. And it does not cause DEET's sticky-skin sensation.
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The public's "right to starlight" is steadily being eroded by urban illumination that is the bane of astronomers everywhere, the International Astronomical Union said on Friday.
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AP - Maybe it was an accident or perhaps an ancient experiment. Many thousands of years ago, early humans somehow figured out they could make better stone tools by treating the rocks with fire. Evidence of that, dating 72,000 years ago, has been found on the southeastern tip of Africa, researchers report in Friday's edition of the journal Science.
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Posted in: on Saturday, August 29, 2009 at at 8:26 PM 0 comments
(AP) -- American companies counting on a favorable trade ruling against China to boost sales of CDs, DVDs, books and video games will need a crackdown on rampant piracy before they can reap big benefits.
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Researchers at Ben-Gurion University of the Negev (BGU) will combine the scientific and scholarly expertise of their humanities and computer science experts in a new project to analyze degraded Hebrew documents.
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New research shows that air pollution in eastern China has reduced the amount of light rainfall over the past 50 years and decreased by 23 percent the number of days of light rain in the eastern half of the country. The results suggest that bad air quality might be affecting the country's ability to raise crops as well as contributing to health and environmental problems.
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(AP) -- Polio, the dreaded paralyzing disease stamped out in the industrialized world, is spreading in Nigeria. And health officials say in some cases, it's caused by the vaccine used to fight it.
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Clyde W. Yancy, a cardiologist and medical director of the Baylor Heart and Vascular Institute in Dallas, became national president of the American Heart Association on July 1. He recently spoke with ...
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Posted in: on Friday, August 28, 2009 at at 8:26 PM 0 comments
A University of Arizona anthropologist has discovered that humans living at a Paleolithic cave site in central Israel between 400,000 and 250,000 years ago were as successful at big-game hunting ...
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Thousands of firefighters battled wildfires across California on Thursday, including a growing blaze that forced about 2,400 people to evacuate their homes in the Santa Cruz Mountains.
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A disabled woman won her suit for wrongful dismissal Thursday against Abercrombie & Fitch after she was sent to work in the London store's stockroom. A British employment tribunal said the teen apparel merchant unlawfully harassed 22-year-old Riam Dean when it refused to allow her to wear a cardigan to cover her prosthetic arm, saying the sweater violated the store's "look policy."
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Your toilet is probably cleaner than your computer keyboard. Sad (and disgusting) but true. One researcher at the University of Arizona found that the average desk has 100 times more bacteria than a kitchen and 400 times more bacteria than the average toilet.
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The smallest ever free-flying aircraft to hover with flapping wings gets off the ground
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On a warm, breezy day in Oak Lawn, Ill., veterinary graduate student Jessica Girard of the University of Wisconsin-Madison removed a robin from a finely threaded net hidden in the shadows of a tree-lined meadow.
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Posted in: on Thursday, August 27, 2009 at at 8:26 PM 0 comments
(PhysOrg.com) -- As a new mother herself, Brenda Lohman admits to being shocked by the results of a new study she co-authored. It found that among nearly 1,000 low-income families in three major cities, one in four children between the ages of 11 and 16 reported having sex, with their first sexual intercourse experience occurring at the average age of 12.77.
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A new study reveals that treelines are not responding to climate warming as expected. The research, the first global quantitative assessment of the relationship between climate warming and treeline advance, is published in Ecology Letters and tests the premise that treelines are globally advancing in response to climate warming since 1900.
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Reuters - Manufacturers and energy companies sent squads of lobbyists to the U.S. Congress earlier this year to influence the climate bill, an indication the U.S. Senate will face pressure to adjust the legislation ahead of its vote, a nonprofit investigative group said.
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While the researchers can't promise delivery to a parallel universe or a school for wizards, books like Pullman's Dark Materials and JK Rowling's Harry Potter are steps closer to reality now that researchers in China have created the first tunable electromagnetic gateway.
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SPACE.com - A White House panel charged with reviewing NASA's exploration plans has dropped any hope of sending astronauts directly to Mars and found the space agency's budget too slim to accomplish its goal of returning humans to the moon by 2020.
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Posted in: on Wednesday, August 26, 2009 at at 8:26 PM 0 comments
Just a few years ago, Advanced Micro Devices executive Linda Starr racked up a million air miles a year in business travel. Now she logs a mere 100,000 miles per year, thanks to sophisticated video conferencing technology.
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(AP) -- Sprint Nextel Corp. has agreed to pay $17.5 million to settle a lawsuit claiming the fees it has charged customers who end their wireless contracts early are illegal.
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More than a dozen teams are racing to claim a $30 million prize for landing a robot rover on the moon – see the most advanced prototypes so far
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The agency, which had halted the cleanup on the Hudson River, said operations could restart in stages.
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Brown University researchers have discovered that Candida albicans, a human fungal pathogen that causes thrush and other diseases, pursues same-sex mating in addition to conventional opposite-sex mating.
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Scientists of the Geesthacht GKSS Research Centre have developed a radar system with which it is possible to study the behaviour of sea waves. This technology will be used immediately on the North Sea on the FINO3 research platform in order to determine the interactions between offshore wind power machines and swells.
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Posted in: on Tuesday, August 25, 2009 at at 8:26 PM 0 comments
AP - The gunmen who laid siege to the Indian city of Mumbai carried GPS devices and a satellite phone that shows they traveled from Pakistan to India, an FBI expert testified Wednesday at the trial of the lone surviving suspect.
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U.S. Marines descend on a Taliban stronghold in Afghanistan, setting off an eight-hour battle with militants. The troops hope to wrest the town of Dahaneh from the Taliban so residents can vote in the country's Aug. 20 presidential election.
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Children are searching online for videos, social networks, games and, yes, porn as they grow up in an Internet Age, according to computer security firm Symantec.
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LONDON, Aug. 12, 2009 (Reuters) -- The unique wildlife of the Galapagos Islandsis under threat from disease-carrying mosquitoes arriving on board growing numbers of aircraft and tourist boats, researchers said on Wednesday. ... > read full story
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Someone spray-painted a large swastika on a sign outside the office of a Georgia congressman who was involved in a contentious argument over health care at a recent community meeting.
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Posted in: on Monday, August 24, 2009 at at 12:26 PM 0 comments
(PhysOrg.com) -- Researchers in the United States and Spain have discovered that a tool widely used in nanoscale imaging works differently in watery environments, a step toward better using the instrument to study biological molecules and structures.
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As a result of a major inter-laboratory study, the standards body ASTM International has been able to update its guidelines for a commonly used technique for measuring the size of nanoparticles in solutions. The study, which was organized principally by researchers from the National Institute of Standards and Technology (NIST) and the Nanotechnology Characterization Laboratory of the National Cancer Institute, enabled updated guidelines that now include statistically evaluated data on the measurement precisions achieved by a wide variety of laboratories applying the ASTM guide.
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New York, NY (August 11, 2009) Researchers from the field in South Africa demonstrate that threatened big cats truly can be saved through strategic and science-based conservation practices, according to a study published this week in the scientific journal Biological Conservation.
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Medical journals need to stop acting like the medieval church and give the masses access to research on health issues, argues Stephen Strauss
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Posted in: on Sunday, August 23, 2009 at at 8:26 PM 0 comments
A day before facing a potentially boisterous town hall in New Hampshire, President Barack Obama praised the spirited debate over his health care plans on Monday and predicted "sensible and reasoned arguments" would ultimately prevail in Congress.
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By washing your hands after digging in beach sand, you could greatly reduce your risk of ingesting bacteria that could make you sick. In new research, scientists have determined that, although beach sand is a potential source of bacteria and viruses, hand rinsing may effectively reduce exposure to microbes that cause gastrointestinal illnesses.
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Next time you`re making a cuppa, new research shows it might be wise to opt for a white tea if you want to reduce your risk of cancer, rheumatoid arthritis or even just age-associated wrinkles. Researchers from Kingston University teamed up with Neal`s Yard Remedies to test the health properties of 21 plant and herb extracts. They discovered all of the plants tested had some potential benefits, but were intrigued to find white tea considerably outperformed all of them.
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A detailed examination of the wrist bones of several primate species challenges the notion that humans evolved their two-legged upright walking style from a knuckle-walking ancestor.
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Relatives of Eunice Kennedy Shriver, sister of President Kennedy, were summoned to a Massachusetts hospital Monday, a source close to the family told CNN.
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Chances are, we all know someone like Marya Hornbacher. We just don't realize that we do because, like Hornbacher, these someones are charming, smart, well-spoken and prosperous -- not at all like people who are (cough) bipolar.
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Posted in: on Saturday, August 22, 2009 at at 8:26 PM 0 comments
Muscular dystrophy, a group of inherited diseases characterized by progressive skeletal muscle weakness, can be caused by mutations in any one of a number of genes. Another gene can now be added to this list, as Yukiko Hayashi and colleagues, at the National Center of Neurology and Psychiatry, Japan, have now identified mutations in a gene not previously linked to muscular dystrophy as causative of a form of the disease in five nonconsanguineous Japanese patients.
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Researchers at the Georgia Institute of Technology, collaborating with pediatric cardiologists and surgeons at The Children's Hospital of Philadelphia, have developed a tool for virtual surgery that allows heart surgeons to view the predicted effects of different surgical approaches. By manipulating three-dimensional cardiac magnetic resonance images of a patient's specific anatomy, physicians can compare how alternative approaches affect blood flow and expected outcomes, and can select the best approach for each patient before entering the operating room.
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Over 350 new species including the world's smallest deer, a "flying frog" and a 100 million-year old gecko have been discovered in the Eastern Himalayas, a biological treasure trove now threatened by climate change.
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People who think they are vulnerable to temptation are least likely to give into it, because they are more vigilant about keeping it at bay
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Treacherous Hudson River waters forced divers to suspend their search Monday for two remaining bodies and the wreckage of a small plane that collided over the weekend with a sightseeing helicopter, killing nine people.
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A bright moon may obscure the faintest meteors, but the annual Perseid shower should still put on a show
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Posted in: on Friday, August 21, 2009 at at 8:26 PM 0 comments
(PhysOrg.com) -- In 1918, magician extraordinaire Harry Houdini created a sensation when he made a 10,000 pound elephant disappear before a mystified audience of over 5,200 at New York's famed Hippodrome theatre. But a vanishing pachyderm is nothing compared to the magnificent illusion to be performed by our solar system's own sixth rock from the sun on Aug. 11. On that day, ladies and gentlemen, boys and girls, children of all ages, the planet Saturn, with no help from either Jupiter or Uranus, will make its 170,000-mile-wide ring system disappear.
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A new material developed at the University of Virginia - an oxygen nanosensor that couples a light-emitting dye with a biopolymer - simplifies the imaging of oxygen-deficient regions of tumors. Such tumors are associated with increased cancer aggressiveness and are particularly difficult to treat.
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(PhysOrg.com) -- Although it may seem like gravity is the same everywhere on the Earth, it actually varies a small amount from place to place. Factors such as mountains, ocean trenches, and interior density variations can all cause gravity differences. By measuring the gravity field of Earth or another planet, scientists can gain insight into that planet's otherwise hidden geological features.
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Computer scientists demonstrated that criminals could hack an electronic voting machine and steal votes using a malicious programming approach that had not been invented when the voting machine was designed. The team of scientists from University of California, San Diego, the University of Michigan, and Princeton University employed “return-oriented programming†to force a Sequoia AVC Advantage electronic voting machine to turn against itself and steal votes.
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Like clockwork, brain regions in many songbird species expand and shrink seasonally in response to hormones. Now, for the first time, University of Washington neurobiologists have interrupted this natural "annual remodeling" of the brain and have shown that there is a direct link between the death of old neurons and their replacement by newly born ones in a living vertebrate.
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Posted in: on Thursday, August 20, 2009 at at 8:26 PM 0 comments
A newly completed New York University study of public reaction to the 9/11 attacks concludes that people in positions of power, from government officials to managers working on Wall Street to ...
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Limb-sparing surgery, which has been taking the place of amputation for bone and soft tissue sarcomas of the lower limb in recent years, may not provide much or even any additional benefit to patients according to a new review. The analysis, published in the September 15, 2009 issue of Cancer indicates that patients and physicians should rethink the pros and cons of limb-sparing surgery and amputation.
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As many as 50 million Americans are living sedentary lives, putting them at increased risk of health problems and even early death, a leading expert in exercise science told the American Psychological Association today.
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AP - Authorities have closed the offices of the Lebanese-based LBC satellite TV station in Jiddah after it broadcast an interview with a Saudi man speaking frankly about sex and showed off erotic toys, a Saudi official said Sunday.
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Posted in: on Wednesday, August 19, 2009 at at 9:26 PM 0 comments
The Christian rock band MercyMe canceled a show Saturday in the St. Louis area after its tour bus collided with a car in northeastern Indiana, killing two passengers in the car and the pregnant car driver's unborn baby.
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Fewer black women with postgraduate degrees are getting married and having children, according to research to be presented at the 104th annual meeting of the American Sociological Association.
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(AP) -- The outage that knocked Twitter offline for hours was traced to an attack on a lone blogger in the former Soviet republic of Georgia - but the collateral damage that left millions around the world tweetless showed just how much havoc an isolated cyberdispute can cause.
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Scientific illiteracy is a real problem in the US, but its roots run deeper than science itself
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From a health-care system perspective, it may be more efficient to use the drug cetuximab only in colorectal cancer patients whose tumors have a wild-type KRAS gene, according to a study published online August 7 in the Journal of the National Cancer Institute.
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SPACE.com - A NASA spacecraft orbiting Mars has inexplicably switched to its backup computer, temporarily stalling science operations until it can be fixed, the space agency said late Friday.
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Posted in: on Tuesday, August 18, 2009 at at 9:26 PM 0 comments
(PhysOrg.com) -- Chemists at the University at Buffalo have used rational drug design to synthesize small, cell-permeable molecules that are effective in vitro against two common types of myotonic muscular dystrophy, a result that has implications for potentially curing muscular dystrophy, as well as other diseases.
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NASA should revive its Institute for Advanced Concepts, an idea mill that closed in 2007, says a panel – but it says the new incarnation should have its feet a little closer to the ground
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(PhysOrg.com) -- It's time once again for nature to put on its late-summer fireworks show: the Perseid meteor shower. This year's best viewing will be before dawn on Aug. 12, with a second chance after sunset that night, according to the editors of StarDate magazine.
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Following a year of calibration and validation by an international team of scientists, fully-validated, research-quality sea surface height data from the NASA/French Space Agency Ocean Surface Topography Mission/Jason-2 satellite are now available to the public. These "geophysical data record" products, as they are known, will be used primarily by climate researchers for climate monitoring and modeling.
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SPACE.com - For Northern Hemisphere observers, August is usually regarded as "meteor month," with one of the best displays of the year reaching its peak near midmonth.
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A UC Irvine study has found that a gene called TOMM40 appears twice as often in people with Alzheimer's disease than in those without it. Alzheimer's, for which there is no cure, is the leading cause of elderly dementia.
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Posted in: on Monday, August 17, 2009 at at 8:26 PM 0 comments
The Senate reached a deal on saving the dwindling "cash for clunkers" program late Wednesday, agreeing to vote on a plan that would add $2 billion to the popular rebate program and give car shoppers until Labor Day to trade in their gas-guzzlers for a new ride.
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(PhysOrg.com) -- Radar imaging at NASA's Goldstone Solar System Radar on June 12 and 14, 2009, revealed that near-Earth asteroid 1994 CC is a triple system. Asteroid 1994 CC encountered Earth within 2.52 million kilometers (1.56 million miles) on June 10.
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Levels of debt have been associated with an increased risk of being fat. Researchers writing in the open access journal BMC Public Health blame the trend on the high price of healthy food, and a tendency for people worried by debt to comfort eat.
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Hackers this morning attacked some of the Web's most popular social networking sites, silencing the microblogging service Twitter for two hours and affecting service on Facebook and LiveNation.
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WASHINGTON, Aug. 6, 2009 (Reuters) -- The orbiting Kepler telescope has spotted a Jupiter-sized planet around another star -- a sighting that demonstrates it can see Earth-like planets if they are out there, scientists reported on Thursday. ... > read full story
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The promise of stem cell therapy may lie in uncovering how adult cells revert back into a primordial, stem cell state, whose fate is yet to be determined. Now, cell scientists at the Johns Hopkins University School of Medicine have identified key molecular players responsible for this reversion in fruit fly sperm cells. Reporting online this week in Cell Stem Cell, researchers show that two proteins are responsible redirecting cells on the way to becoming sperm back to stem cells.
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Posted in: on Sunday, August 16, 2009 at at 8:26 PM 0 comments
Peering into the DNA of tiny yeast, researchers at the Moores Cancer Center at the University of California, San Diego and the San Diego Branch of the Ludwig Institute for Cancer Research have pinpointed a large number of genes that can prevent a type of genetic rearrangement that may lead to cancer and other diseases.
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A previously unrecognized player in the process by which gases produced by trees and other plants become aerosolsâ€"microscopically small particles in the atmosphereâ€"has been discovered by a research team led by scientists at the California Institute of Technology (Caltech).
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Reuters - South Africa aims to become a regional center for space technology, investing in satellite and telescope projects to support its ailing economy, the science and technology minister said on Thursday.
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President Obama’s blue-ribbon panel considered new targets for the nation’s human spaceflight program, from returning to the moon to a wider exploration of deep space.
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Both combination and sequential single-agent chemotherapy are reasonable options to treat metastatic breast cancer, but the choice between the two should ultimately be based on patient- and disease-related factors, according to a new commentary published online August 5 in the Journal of the National Cancer Institute.
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Posted in: on Saturday, August 15, 2009 at at 8:26 PM 0 comments
As President Obama and Congress weigh changes in the nation's health care system they must avoid creating a system where physicians are financially motivated to pressure patients into mandated treatments that conflict with their values and needs, two Beth Israel Deaconess Medical Center physicians warn.
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To use hydrogen as a clean energy source, some engineers want to pack hydrogen into a larger molecule, rather than compressing the gas into a tank. A gas flows easily out of a tank, but getting hydrogen out of a molecule requires a catalyst. Now, researchers reveal new details about one such catalyst. The results are a step toward designing catalysts for use in hydrogen energy applications such as fuel cells.
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(AP) -- The Iraqi government has decided to crack down on Internet service providers and ban sites that incite violence or carry pornography, officials said Tuesday, a move that has been strongly ...
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Engravings on a 14,000-year-old chunk of rock may be the oldest map in western Europe
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WASHINGTON, Aug. 5, 2009 (Reuters) -- A new technique has given researchers a "big picture" look at the genome of the AIDS virus, the first time its entire gene map has been decoded. ... > read full story
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President Barack Obama says Indiana factories "are coming back to life," earning cheers as he returned to an economically struggling region to sell his costly stimulus plan.
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Posted in: on Friday, August 14, 2009 at at 8:26 PM 0 comments
(PhysOrg.com) -- Researchers at the University of Toronto have developed a new model that explains how cells communicate and specifically reveals how blood cells "talk" to each other. The result could help transform treatments for diseases such as leukemia.
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(PhysOrg.com) -- NASA's Spitzer Space Telescope has taken its first shots of the cosmos since warming up and starting its second career. The infrared telescope ran out of coolant on May 15, 2009, more than five-and-half-years after launch, and has since warmed to a still-frosty 30 Kelvin (about minus 406 Fahrenheit).
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(PhysOrg.com) -- Robots are whirring away in factories all over the world, building cars, phones and cookers. Yet they can do so much more. Robotics for healthcare has been tipped as the next big wave, and Europe should be poised to ride it, according to a European road-mapping study.
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A gut hormone first described in 1928 plays an unanticipated and important role in the remote control of blood sugar production in the liver, according to a report in the August 6th Cell Metabolism, a Cell Press publication. What's more, the researchers show that rats fed a high-fat diet for a few days become resistant to the glucose-lowering hormone known as cholecystokinin (CCK).
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Geckos are very adept at climbing through difficult terrain using an intricate adhesive system. Until now it has not been known when and how they switch on their unique system of traction.
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The tight links among software developers on the internet is stifling the development of new ideas, a social scientist argues
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Posted in: on Thursday, August 13, 2009 at at 8:26 PM 0 comments
(AP) -- Public buses were ordered off the roads of a remote Chinese town to control the possible spread of deadly pneumonic plague that has killed three people and seemed poised to claim a fourth victim Wednesday, residents and authorities said.
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(AP) -- It seems John Quincy Adams was way ahead of his time. A high school student touring the sixth U.S. president's archives recently noticed his bite-sized diary entries looked a lot like tweets.
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Google on Tuesday set out to recruit US soldiers as users of its Voice online telephone service, promising it would help military families stay connected.
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An exciting new astrophysics mission led by NASA's Goddard Space Flight Center in Greenbelt, Md., will provide a revolutionary window into the universe. Named the Gravity and Extreme Magnetism Small Explorer (GEMS), the satellite will be the first to systematically measure the polarization of cosmic X-ray sources.
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A car's judgement on the driver's levels of alertness could be more reliable than the driver's own perception of it, a study by a car maker shows
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Posted in: on Wednesday, August 12, 2009 at at 11:26 PM 0 comments
The three girlfriends and wife of a man with a complicated love life take revenge by allegedly tying him up and assaulting him -- including gluing his penis to his stomach -- in a motel room in eastern Wisconsin. The man apparently thought he was meeting one of his lovers for a romantic interlude. The four women were arrested on charges that could get them up to six years in prison if convicted.
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Researchers at the University of Toronto Institute of Biomaterials and Biomedical Engineering (IBBME) and Princess Margaret Hospital (PMH), led by U of T's Professor J.E. Davies, have made important progress in stem cell research that will allow for numerous applications of multi-faceted stem cells known as mesenchymal stem cells (MSCs). This research will advance the selection of specific cells to target specific diseases, ultimately enabling clinicians to "personalize" treatment for patients.
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(AP) -- Transportation Secretary Ray LaHood said Tuesday he will convene a summit of experts to figure out what to do about driver cell phone use and texting, practices that studies - and a growing number of accidents - show can be deadly.
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Today's tourists may stop by the Berkeley Pit in Butte, Mont., to see how large-scale mining resulted in a Superfund site, but Americans in the 1950s had different reasons for visiting the mine, says Montana State University historian Tim LeCain.
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Four-thousand years ago, an urban civilization lived and traded on what is now the border between Pakistan and India. During the past century, thousands of artifacts bearing hieroglyphics left by this prehistoric people have been discovered. Today, a team of Indian and American researchers are using mathematics and computer science to try to piece together information about the still-unknown script.
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