In one of the first successful attempts at genetically engineering mosquitoes, Howard Hughes Medical Institute (HHMI) researchers have altered the way the insects respond to odors, including the smell of humans and the insect repellant DEET. The research not only demonstrates that mosquitoes can be genetically manipulated using the latest research techniques, but paves the way to understanding why the insect is so attracted to humans, and how to block that attraction. "The time has come now to do genetics in these important disease-vector insects. I think our new work ...

Researchers from Northeastern University are among the many scientists helping NASA use the weightlessness of space to design stronger materials here on Earth. Structural alloys might not sound familiar, but they are an integral part of everyday materials, such as aircraft wings, car bodies, engine blocks, or gas pipelines. These materials are produced through solidification—a process similar to the making of ice cubes. "Solidification happens all around us, either naturally, as during the crystallization of familiar snow-flakes in the atmosphere, or in technological ...

CORVALLIS, Ore. – Researchers at Oregon State University have helped develop new environmental monitoring technology that will allow farmers thousands of miles away, in west and central Asia, to save millions of dollars while more effectively combatting a pest that is threatening their wheat crops. Twenty million acres of wheat in parts of Asia and North Africa are threatened by the "Sunn pest," a bug that can destroy the value of wheat. Speed in confronting this pest is essential – even minor delays in use of pesticides can cut wheat yield by 90 percent, and if just ...

Philadelphia, Pa. (May 29, 2013) – Facial fractures are relatively common, and potentially serious, sports-related injuries among children participating in a wide range of sports, according to a study in the June issue of Plastic and Reconstructive Surgery®, the official medical journal of the American Society of Plastic Surgeons (ASPS). The five-year study provides insights into the characteristics of sports-related facial fractures in young athletes—including the causes and patterns of fractures in specific sports. "These data may allow targeted or sport-specific ...

MAYWOOD, Il. - Many patients who have experienced strokes or mini strokes take blood thinners such as aspirin or warfarin (Coumadin) to reduce the risk of blood clots that can cause strokes. This can pose a dilemma when a patient needs to undergo a surgical procedure, because blood thinners can increase the risk of bleeding. But a new guideline from the American Academy of Neurology advises that it is likely safe to continue taking blood thinners before minor procedures such as dental procedures, cataract surgery or dermatologic procedures. The guideline is published ...

(SACRAMENTO, Calif.) — What started as a dinner-table conversation between a teen and his father has become a bonafide cancer research study for Matthew Lara, a Davis High School sophomore and the son of UC Davis Comprehensive Cancer Center medical oncologist and researcher Primo (Lucky) Lara Jr. Matthew, 16, will put on a suit and present his findings on non-small-cell lung cancer during a poster session in Chicago on Saturday at the annual meeting of American Society of Clinical Oncology (ASCO), a 30,000-member cancer research organization. Matthew's poster, entitled ...

VIDEO: Improvements in crop water productivity -- the amount of food produced per unit of water consumed -- have the potential to improve both food security and water sustainability in many... Click here for more information. MINNEAPOLIS / ST. PAUL (05/29/2013) —Improvements in crop water productivity — the amount of food produced per unit of water consumed — have the potential to improve both food security and water sustainability in many parts of the world, according to ...

PITTSBURGH—Students preparing for final exams might want to wait before pulling an all-night cram session — at least as far as their neurons are concerned. Carnegie Mellon University neuroscientists have discovered a new intermediate phase in neuronal development during which repeated exposure to a stimulus shrinks synapses. The findings are published in the May 8 issue of the Journal of Neuroscience. It's well known that synapses in the brain, the connections between neurons and other cells that allow for the transmission of information, grow when they're exposed to ...

Philadelphia, Pa. (May 29, 2013) – For women undergoing breast reconstruction after mastectomy, the weight of the tissue flap used affects the risk of an important complication called fat necrosis, reports a study in Plastic and Reconstruction Surgery-Global Open®, the official open-access medical journal of the American Society of Plastic Surgeons (ASPS). Information on flap weight—and the number of blood vessels supplying the flap—can help plastic and reconstructive surgeons optimize outcomes for women undergoing breast reconstruction after mastectomy for breast cancer, ...

CHAMPAIGN, lll. — Honey bees don't start out knowing how to find flowers or even how to get around outside the hive. Before they can forage, they must learn how to navigate a changing landscape and orient themselves in relation to the sun. In a new study, researchers report that a regulatory gene known to be involved in learning and the detection of novelty in vertebrates also kicks into high gear in the brains of honey bees when they are learning to how to find food and bring it home. Activity of this gene, called Egr, quickly increases in a region of the brain known ...

Irvine, Calif., May 29, 2013 – Mexican American mothers' formal immigration status influences the educational achievement of their children and even their grandchildren, according to a new study led by a UC Irvine sociologist. Researchers found – based on a large‐scale survey of young, second-generation Mexican American adults in Los Angeles – that those whose mothers were authorized immigrants or U.S. citizens had, on average, two more years of schooling than those whose mothers had entered the country illegally. The researchers estimate that at least a third of ...

New Rochelle, NY, May 29, 2013—A novel, targeted approach to chemotherapy that makes ovarian cancer cells more susceptible to the cytotoxic effects of an antitumor drug may offer a safer, more effective treatment option for this often deadly form of cancer. The research and results are published in Nucleic Acid Therapeutics, a peer-reviewed journal from Mary Ann Liebert, Inc., publishers (http://www.liebertpub.com). The article is available on the Nucleic Acid Therapeutics website (http://www.liebertpub.com/nat). Ovarian cancer is usually diagnosed at an advanced stage ...

What will your kids remember about the life stories you tell them? New University of Alberta research shows that they're likely to be able to recall transitional moments you share with them, be it promotions or pets. The research offers strong evidence that societal values significantly affect how people think about and recall events in their lives—and how we potentially carry old values and beliefs forward in a new country. Psychology researchers Connie Svob and Norman Brown conducted interviews with two groups of participants, split evenly between people born in Canada ...

If you're still using your mobile phone behind the wheel, University of Alberta sociology researcher Abu Nurullah likely has your number. More specifically, he can tell what statistical category you fall under. Using survey data from mid-2011—just months before Alberta's distracted-driving law went into effect—Nurullah and his colleagues determined several characteristics of people who appear to top the risk scale by using cellphones while driving. The data are useful for police who have to deal with unlawful drive-and-dialers, and for policy-makers seeking to change ...

Researchers from New York Medical College and the University of California Davis have for the first time codified age-specific probabilities of live birth after in vitro fertilization (IVF) with frozen eggs. A team of researchers led by Kutluk Oktay, M.D., a New York Medical College physician/scientist who specializes in preserving the fertility of female cancer patients, conducted a meta-analysis of oocyte cryopreservation cycles using individualized patient data to report the probability of live-birth from IVF cycles. The study, "Age-specific probability of live birth ...

Millions of people with type 1 diabetes depend on daily insulin injections to survive. They would die without the shots because their immune system attacks the very insulin-producing cells it was designed to protect. Now, a University of Missouri scientist has discovered that this attack causes more damage than scientists realized. The revelation is leading to a potential cure that combines adult stem cells with a promising new drug. The discovery is reported in the current online issue of Diabetes, the American Diabetes Association's flagship research publication. Habib ...

May brought a major advancement in the science of aging when two Harvard Stem Cell Institute (HSCI) researchers announced their discovery of a protein circulating in the blood of mice and humans that shows potential to be a treatment for age-related heart failure. The protein, called GDF-11, reduced the size and thickness of the heart walls when injected into old mice. There are hundreds of investigators in the HSCI network solving different problems related to cell biology and illness. This month, we feature recently published work by three laboratories on: a therapy ...

In a randomized phase III clinical trial conducted by the Radiation Therapy Oncology Group (RTOG), high-dose (HD), compared with standard-dose (SD), radiotherapy (RT) with concurrent chemotherapy (CT) did not improve overall survival of patients with stage III non-small-cell lung cancer (NSCLC). Philadelphia, PA—Of all the patients in the US with lung cancer, the country's leading cause of cancer death, 75 to 80 percent of them have NSCLC, with 30 to 40 percent of those being considered locally advanced (stage IIIA or IIIB). Although RT plus CT has been the standard ...

Stanford University scientists have developed an advanced zinc-air battery with higher catalytic activity and durability than similar batteries made with costly platinum and iridium catalysts. The results, published in the May 7 online edition of the journal Nature Communications, could lead to the development of a low-cost alternative to conventional lithium-ion batteries widely used today. "There have been increasing demands for high-performance, inexpensive and safe batteries for portable electronics, electric vehicles and other energy storage applications," said Hongjie ...

A new version of solar cells created by laboratories at Rice and Pennsylvania State universities could open the door to research on a new class of solar energy devices. The photovoltaic devices created in a project led by Rice chemical engineer Rafael Verduzco and Penn State chemical engineer Enrique Gomez are based on block copolymers, self-assembling organic materials that arrange themselves into distinct layers. They easily outperform other cells with polymer compounds as active elements. The discovery is detailed online in the American Chemical Society journal Nano ...

Too many cooks may spoil a recipe, and too many doctors may give you the flu. That's the takeaway from a new study by the UCLA Center for Health Policy Research that found that Californians who jump from provider to provider rather than seeing a regular doctor who coordinates their care may be less likely to get the kind of preventive treatment that protects against the flu and flare ups in their chronic conditions. Specifically, the study used data from the 2009 California Health Interview Survey (CHIS) to estimate whether the approximately 4.76 million California ...

What truly inspires individuals to perform at their very best? When it comes to motivating others and ourselves, it turns out offering rewards in defined categories, even when they are largely meaningless, can heighten motivation. According to recent research co-authored by Scott S. Wiltermuth, assistant professor of management and organization at USC's Marshall School of Business, even if the rewards are the similar – and the categories arbitrary – the very act of segmenting rewards motivates people to perform better and longer, even on menial tasks. Wiltermuth's study, ...

COLUMBUS, Ohio – Living in a poor neighborhood as an adolescent is linked to an increased risk of getting the sexually transmitted infection (STI) chlamydia in young adulthood, according to new research. Ohio State University researchers analyzed data from a large national study that tracked youths over time. The analysis suggested that children who lived in poor neighborhoods during their teenage years had an almost 25 percent greater risk of having chlamydia in their early 20s – even if they themselves weren't poor – than did teenagers living in wealthier settings. The ...

University of Texas Medical Branch at Galveston researchers have uncovered what may be a key molecular mechanism behind the lasting damage done by traumatic brain injury. The discovery centers on a particular form of a protein that neuroscientists call tau, which has also been associated with Alzheimer's disease and other neurodegenerative conditions. Under ordinary conditions, tau is essential to neuron health, but in Alzheimer's the protein aggregates into two abnormal forms: so-called "neurofibrillary tangles," and collections of two, three, or four or more tau units ...

Astronomers using NASA's Swift X-ray Telescope have observed a spinning neutron star suddenly slowing down, yielding clues they can use to understand these extremely dense objects. A neutron star is the crushed core of a massive star that ran out of fuel, collapsed under its own weight, and exploded as a supernova. A neutron star can spin as fast as 43,000 times per minute and boast a magnetic field a trillion times stronger than Earth's. Matter within a neutron star is so dense a teaspoonful would weigh about a billion tons on Earth. This neutron star, 1E 2259+586, ...