Brightsurf Science News & Current Events

December 10, 2012
Composites for large-scale manufacturing
Continuous fiber-reinforced composites with thermoplastic matrix resins are very well suited for use in automotive manufacturing.

New studies reveal critical insights to improve care of patients with sickle cell disease
Research unveiling key gaps in continuity of care for sickle cell patients transitioning from pediatric to adult care will be presented this week during the 54th Annual Meeting of the American Society of Hematology.

Metformin improves blood glucose levels and BMI in very obese children
Metformin therapy has a beneficial treatment effect over placebo in improving body mass index (BMI) and fasting glucose levels in obese children, according to a recent study accepted for publication in The Endocrine Society's Journal of Clinical Endocrinology & Metabolism.

Grateful patient philanthropy and the doctor-patient relationship
Physicians associated with

Report compares greenhouse gas and black carbon emissions tracking across North America
Working through the CEC, Canada, Mexico and the US have taken an important first step in looking at the state of comparability of emissions data at national and subnational levels with the completion of a background report: Assessment of the Comparability of Greenhouse Gas and Black Carbon Emissions Inventories in North America.

Can going hungry as a child slow down cognitive decline in later years?
People who sometimes went hungry as children had slower cognitive decline once they were elderly than people who always had enough food to eat, according to a new study published in the Dec.

'Public ecology' could help resolve mountaintop mining issues
A history of public distrust and contradicting policies from government agencies have hindered efforts to increase the community's voice in decisions about mountaintop mining.

NASA satellites see Typhoon Bopha fizzle over weekend
Infrared data from NASA's Aqua satellite have watched the strong thunderstorms in Typhoon Bopha fizzle and shrink in area over the weekend as wind shear increased.

SAGE to publish InnovAiT from January 2013
SAGE and the Royal College of General Practitioners have today announced a new agreement to publish InnovAiT from January 2013.

Educational video helps terminal cancer patients decide whether to receive CPR
Patients with terminal cancer who viewed a three-minute video demonstrating cardiopulmonary resuscitation (CPR) were less likely to indicate a preference for receiving CPR in the event of an in-hospital cardiac arrest than were patients who only listened to a verbal description of the procedure.

Can going hungry as a child slow down cognitive decline in later years?
People who sometimes went hungry as children had slower cognitive decline once they were elderly compared to people who always had enough food to eat, according to a new study by neurological researchers from the Rush Alzheimer's Disease Center at Rush University Medical Center.

Stem cell research provides hope for infertile cancer survivors
A professor at The University of Texas at San Antonio has demonstrated in rhesus monkeys that it is possible to remove testicular stem cells prior to chemotherapy, freeze them and later, after cancer treatments, transplant the cells where they can restart sperm production and restore fertility.

Brown fat transplants help mice lose weight
In this issue of the Journal of Clinical Investigation, researchers led by Laurie Goodyear at the Joslin Diabetes Center in Boston, performed brown fat transplants in mice to determine if this intervention could treat obesity.

Just 28 percent of young people in Spain read either online or conventional newspapers each day
A study at the Jaume I University in Castellón has verified the decrease in press consumption among young people between the ages of 16 and 30 years, which now stands at 28.8 percent.

Overweight pregnant women not getting proper weight-gain advice
Overweight women are not receiving proper advice on healthy weight gains or appropriate exercise levels during their pregnancies, according to Penn State College of Medicine researchers.

How our nerves regulate insulin secretion
Researchers at Karolinska Institutet in Sweden have managed to graft beta cells into the eyes of mice in order to study them in a living organism over a prolonged period of time.

Messages that speak to conservatives' morals narrow partisan gap on environment
Public opinion on environmental issues such as climate change, deforestation, and toxic waste seems to fall along increasingly partisan lines.

Experimental graft-vs.-host disease treatment equivalent to standard care in Phase 3 trial
Dana-Farber researchers found an experimental drug combination for preventing graft-vs.-host disease was not significantly better than the standard regimen of care, but that the new combination could provide an alternative that could be preferable in certain scenarios.

Renewables and storage could power grid 99.9 percent of the time
University of Delaware study finds wind, solar power paired with storage could be cost-effective way to power grid.

Survey shows breakthrough medical research relies heavily on NIH funding
A survey highlighting the correlation between today's cutting edge medical research and the National Institutes of Health (NIH) funding was released today at the 54th Annual Meeting of the American Society of Hematology, the preeminent medical meeting for physicians and scientists in hematology that draws more than 20,000 attendees from around the world.

Prospectus addresses most pressing marine science questions
A 'Prospectus for UK marine science' has been published by the Philosophical Transactions of the Royal Society A.

Prostate cancer now detectable by imaging-guided biopsy
Ground-breaking research by a UCLA team of physicians and engineers demonstrates that prostate cancer can be diagnosed using image-guided targeted biopsy.

JCI early table of contents for Dec. 10, 2012
This release contains summaries, links to PDFs, and contact information for the following newsworthy papers to be published online, Dec.

Optics Express publishes 2nd annual special issue on ECOC 2012 conference proceedings
The Optical Society today published a series of papers as part of an upcoming Special Issue on the 2012 European Conference on Optical Communication (ECOC) in its open-access journal Optics Express.

Predictors of cancer disease progression improve patient selection for metastasis-directed therapy
In a paper published Dec. 10 in PLOS ONE, Ludwig investigators led by Dr.

Diabetes prevention program interventions lead to reduced BMI over usual care
Two adapted diabetes lifestyle interventions resulted in weight loss, as well as improvements in waist circumference and fasting plasma glucose level, for overweight or obese adults compared with usual care over a 15-month period.

MARC travel awards announced for the 2012 ISCB Rocky Mountain Bioinformatics Conference
FASEB Maximizing Access to Research Careers Program has announced the travel award recipients for the 2012 ISCB Rocky Mountain Bioinformatics meeting in Snowmass, CO, from Dec.

Study identifies potential new pathway for drug development
A newly found understanding of receptor signaling may have revealed a better way to design drugs.

Depression in elderly men linked to higher rates of emergency admissions
Depressed elderly men have a twofold risk of admission to hospital, found a new study published in CMAJ (Canadian Medical Association Journal).

Health-care practitioners must cooperate to reduce medication mismanagement, MU expert says
Medication reconciliation is a safety practice in which health care professionals review patients' medication regimens when patients transition between settings to reduce the likelihood of adverse drug effects.

Conference puts spotlight on celebrity culture
The impact and politics of celebrity culture will be discussed at the first major international conference on the topic this week.

New multiple myeloma drug shows promise in treating people with advanced disease
A new oral agent under review by the U.S. Food and Drug Administration is safe and effective in treating relapsed and treatment-resistant multiple myeloma, according to a multicenter, Phase II study presented by Mount Sinai School of Medicine researchers at the American Society of Hematology Annual Meeting.

Tracking gene flow in marine plant evolution
A new method that could give a deeper insight into evolutional biology has just appeared in EPJ Data Science.

Claudio Silva named a fellow of the IEEE
Claudio Silva -- a professor of computer science and engineering at Polytechnic Institute of New York University, head of disciplines at the NYU Center for Urban Science and Progress and affiliate faculty member at NYU's Courant Institute of Mathematical Sciences -- has been named a fellow of the IEEE.

To make old skin cells act young again, boost their surroundings, U-M scientists show
As we get older, the trillions of cells in our body do too.

Devalued and distrusted: Can the pharmaceutical industry restore its broken image?
While the pharmaceutical industry can play an important role in converting the knowledge generated by the Human Genome Project into new medicines, it also faces a popular perception that it is simply out to make money by promoting unsafe medicines to an unsuspecting public.

Abnormal DNA maintenance related to cancer
Alan Tomkinson, Ph.D., recently won a 4-year $1 million grant renewal to continue his 18-year research investigation on DNA ligases, the enzymes that repair DNA strands.

Study suggests vision insurance associated with eye-care visits, better reported vision
Vision insurance for working-age adults appears to be associated with having eye care visits and reporting better vision, compared with individuals without insurance.

Citizen science more than a century later: Ordinary people go online to track Gulf oil spill
A researcher at the George Washington University School of Public Health and Health Services reports on a new form of

Binge eating, overeating may be associated with initiating use of marijuana, other drugs
Overeating and binge eating may be associated with initiating use of marijuana and other drugs in a study of adolescents and young adults.

UCI radiology researcher to aid NASA bone density study
A UC Irvine researcher is part of a NASA effort to understand more about bone density loss during astronauts' lengthy stays aboard the International Space Station.

Frankincense is for life, not just for Christmas
High demand for Frankincense means that many Boswellia papyrifera trees are being over-exploited and populations are at risk of dying out.

(Antibody) orientation matters
The orientation of antibody binding to bacteria can mean life or death to the bug, according to a study published in the Journal of Experimental Medicine.

Quantifying corn rootworm damage
Every year farmers spend a lot of money trying to control corn rootworm larvae, which are a significant threat to maize production in the United States and, more recently, in Europe.

Space-age ceramics get their toughest test
Space-age ceramics at their best promise advanced jet and gas turbine engines that burn with greater fuel efficiencies and less pollution.

Study of text messaging service shows participants prepared for motherhood
Following last week's mHealth Summit, the largest event of its kind where leaders focus on how wireless technology can improve health outcomes, text4baby announced results from the first randomized evaluation of its service.

Conservatives can be persuaded to care more about the environment
When it comes to climate change, deforestation and toxic waste, the assumption has been that conservative views on these topics are intractable.

Slavery in Yorkshire
Examined in a new book published by the University of Huddersfield contains contributions from six historians.

Point-of-care ultrasound is more accurate than the stethoscope in diagnosing pneumonia in children
Point-of-care ultrasound is more accurate than the traditional method of auscultation by stethoscope in diagnosing pneumonia in children and young adults, and can even detect small pneumonias that a chest x-ray may miss, a Mount Sinai researcher reports in an article titled,

Researcher finds gender differences in seasonal auditory changes
Auditory systems differ between sexes in sparrows depending on the season, a Georgia State University neuroscientist has found.

Study identifies targeted molecular therapy for untreatable NF1 tumors
Researchers conducting a preclinical study in mice successfully used targeted molecular therapy to block mostly untreatable nerve tumors that develop in people with the genetic disorder Neurofibromatosis 1 (NF1).

Internet use can reduce fatalistic view of cancer
Many Americans have fatalistic views on cancer prevention -- they believe that getting cancer is a matter of luck or fate.

In vitro study finds digested formula, but not breast milk, is toxic to cells
Free fatty acids created during the digestion of infant formula cause cellular death that may contribute to necrotizing enterocolitis, a severe intestinal condition that is often fatal and occurs most commonly in premature infants, according to a study by University of California, San Diego bioengineers.

Researchers identify therapeutic targets in neurofibromatosis
In this issue of the Journal of Clinical Investigation, three independent groups of researchers report that MAPK hyperactivation is a critical mediator of disease pathogenesis in neurofibromatosis.

Earphones, music players on kids' holiday gift lists? Add a hearing screening
Parents are loud and clear: Both teens and tweens should get tested for hearing loss, according to U-M's National Poll on Children's Health.

Iron supplements reduce ADHD in low birth weight infants
In a study published today in Pediatrics, scientists at Umeå University in Sweden conclude that giving iron supplements to low birth weight infants reduces the risk of behavior problems like ADHD later in life.

Before 'Skyfall': 46 years of violence in James Bond movies
Violent acts in James Bond films were more than twice as common in

Davide Gaiotto and Stephen Hawking among Fundamental Physics Prize Foundation award winners
Davide Gaiotto, a Perimeter Institute faculty member, and Stephen Hawking, a Perimeter Distinguished Visiting Research Chair, along with other celebrated physicists, have been awarded prizes from the Fundamental Physics Prize Foundation.

Tobacco smuggling in Europe lower than industry figures suggest
The prevalence of tobacco smuggling in Europe is lower than industry figures suggest, reveals the largest study of its kind, published online in Tobacco Control.

Tech opens communication doors for grandparents of grandkids with ASD
University of Utah researchers use SketchUp in workshops for kids with ASD.

Mayo Clinic researchers uncover toxic interaction in neurons that leads to dementia and ALS
Researchers at Mayo Clinic in Florida have uncovered a toxic cellular process by which a protein that maintains the health of neurons becomes deficient and can lead to dementia.

Glaucoma study could inspire e-reader apps
Better strategies are needed to help glaucoma patients cope with difficulty reading.

Infants with severe RSV disease may be immunosuppressed
Infants with severe lower respiratory tract infection caused by respiratory syncytial virus (RSV) may have a dysfunctional innate immune response that relates to the severity of their disease.

Addition of technology to standard weight loss plan appears beneficial for greater weight loss
Use of a personal digital assistant and telephone coaching appears to enhance short-term weight loss when used in conjunction with an existing physician-directed weight loss treatment program.

Experiment finds ulcer bug's Achilles' heel
Experiments at SLAC National Accelerator Laboratory have revealed a potential new way to attack common stomach bacteria that cause ulcers and significantly increase the odds of developing stomach cancer.

Personal Genome Project Canada launches
The Personal Genome Project Canada launches this week giving Canadians an unprecedented opportunity to participate in a groundbreaking research study about human genetics and health.

Low copays, mail-order pharmacies may reduce adherence disparities to hypertension meds
New research suggests that making prescription refills more affordable and easier to get may reduce disparities among hypertension patients.

The dark side of kerosene lamps: High black-carbon emissions
The small kerosene lamps that light millions of homes in developing countries have a dark side: black carbon -- fine particles of soot released into the atmosphere.

Bed bugs are not repelled by commercial ultrasonic frequency devices
According to a soon-to-be-published article in the Journal of Economic Entomology, commercial devices that produce ultrasound frequencies are NOT promising tools for repelling bed bugs.

Higher levels of college-degree attainment boosts employment for all, even the least educated
When it comes to four-year college degree attainment, a rising tide lifts all boats.

'Commitment-phobic' adults could have mom and dad to blame
A study of the romantic history of 58 adults aged 22-28 found that those who avoid committed romantic relationships are likely a product of unresponsive or over-intrusive parenting, says Dr.

Asteroid that killed the dinosaurs also wiped out the 'Obamadon'
The asteroid collision widely thought to have killed the dinosaurs also led to extreme devastation among snake and lizard species, according to new research -- including the extinction of a newly identified lizard Yale and Harvard scientists have named Obamadon gracilis.

Characteristics of US science and engineering doctorates detailed in new report
The National Center for Science and Engineering Statistics yesterday released a report titled Doctorate Recipients from US Universities: 2010 that unveils important trends in US doctoral education.

Oxytocin produces more engaged fathers and more responsive infants
A new laboratory study, led by Dr. Ruth Feldman from Bar-Ilan University in Israel and published in the current issue of Biological Psychiatry, has found that oxytocin administration to fathers increases their parental engagement, with parallel effects observed in their infants.

University of Illinois to improve crop yield through photosynthesis in a new global effort
The University of Illinois at Urbana-Champaign has received a five-year, $25-million grant from the Bill & Melinda Gates Foundation to improve the photosynthetic properties of key food crops, including rice and cassava.

Elk bones tell stories of life, death, and habitat use at Yellowstone National Park
Concentrations of elk bones and antlers provide baseline ecological data complementary to aerial counts Yellowstone National Park, adding a historical component to live observation.

Benefit of PET or PET/CT in recurrent bowel cancer is not proven
No studies are available investigating the benefit of PET or PET/CT in patients with a suspected recurrence of bowel cancer in direct comparison with a conventional diagnostic technique.

Detecting tunnels using seismic waves not as simple as it sounds
A Sandia researcher is working to improve the detection of shallow tunnels with the goal of helping find them along the border and other areas where tunnels could pose a threat.

Novel drug therapy targets aggressive form of non-Hodgkin's lymphoma
Diffuse large B-cell lymphoma (DLBCL) is the most common subtype of non-Hodgkin's lymphoma and the seventh most frequently diagnosed cancer.

Pharmacy researcher finds most popular weight-loss drug strongly alters other drug therapies
A URI researcher has discovered that the weight-loss drug orlistat, known by the brand names Xenical and Alli, inhibits a key enzyme that may lead to

NASA gets eyeballed from Cyclone Claudia
NASA's Aqua satellite got

Wayne State researcher finds possible clue to children's early antisocial behavior
Both nature and nurture appear to be significant factors in early antisocial behaviors of adopted children, a Wayne State University researcher believes.

Dr. Fabrizio Michelassi honored by American Society of the Italian Legions of Merit
Dr. Fabrizio Michelassi, the Lewis Atterbury Stimson Professor and chairman of the Department of Surgery at Weill Cornell Medical College, and surgeon-in-chief of NewYork-Presbyterian Hospital/Weill Cornell Medical Center, has received the Grand Award of Merit from the American Society of the Italian Legions of Merit (ASILM), the Society's highest honor.

Intensified chemotherapy shows promise for children with very high risk form of leukemia
Pediatric patients with B-precursor acute lymphoblastic leukemia who are likely to relapse after chemotherapy treatment can reduce those odds by receiving additional courses of chemotherapy, according to research by Dana-Farber/Children's Hospital Cancer Center investigators.

From fish to man: Research reveals how fins became legs
Vertebrates' transition to living on land, instead of only in water, represented a major event in the history of life.

Into adulthood, sickle cell patients rely on ER
Patients with sickle cell disease rely more on the emergency room as they move from pediatric to adult health care, according to researchers at Washington University School of Medicine in St.

Alcohol pricing policies save lives and increase profits, experts say
Setting minimum prices for alcohol increases health and economic benefits, say international experts, who met today for a seminar on alcohol pricing and public health.

First UK Uni with all staff as HEA Fellows
The University of Huddersfield is the first in the country at which ALL teaching staff have been awarded professional recognition by the Higher Education Academy.

Pre-diabetic patients respond to self-directed lifestyle interventions, Stanford researcher says
Efforts to help overweight patients avoid diabetes through lifestyle changes need not rely on intensive, one-on-one focused programs, a new clinical study from the Stanford University School of Medicine and the Palo Alto Medical Foundation Research Institute has found.

Inspiration from a porcupine's quills
Researchers at MIT and Brigham and Women's Hospital now hope to exploit the porcupine quill's unique properties to develop new types of adhesives, needles and other medical devices.

As Amazon urbanizes, rural fires burn unchecked
Many Amazonians are moving out of the countryside, in search of economic opportunities in newly booming Amazonian cities.

Patients' health service use
Primary care physicians Johannes Hauswaldt, Eva Hummers-Pradier, and Ulrike Junius-Walker address the question of how frequently different patient groups attend doctor's appointments in this issue of Deutsches Ärzteblatt International.

Prevention through design: A new approach to reduce construction risks
Deborah Young-Corbett, an assistant professor of civil and environmental engineering at Virginia Tech, is working in a new field of engineering known as Prevention through Design or PtD to reduce health risks to construction workers.

Researchers reveal structure of carbon's 'Hoyle state'
A North Carolina State University researcher has taken a

Study finds association between oxygen deprivation before birth and ADHD
Children who had in-utero exposure to ischemic-hypoxic conditions, situations during which the brain is deprived of oxygen, were significantly more likely to develop attention deficit hyperactivity disorder later in life as compared to unexposed children, according to a Kaiser Permanente study published in the journal Pediatrics.

Morning vs nighttime replacement affects adverse events with extended-wear contact lenses
For people using 30-day extended-wear/continuous-wear contact lenses, replacing lenses at night doesn't lower the risk of complications compared to changing lenses monthly, suggests a study --

Ultrasound can now monitor the health of your car engine
A system that uses ultrasound technology to look inside car engines could lead to more efficient engines -- and huge fuel savings for motorists.

Mining ancient ores for clues to early life
An analysis of sulfide ore deposits from one of the world's richest base-metal mines confirms oxygen levels were extremely low on Earth 2.7 billion years ago, but also shows that microbes were actively feeding on sulfate in the ocean and influencing seawater chemistry during that geological period.

Drug combination acts against aggressive chronic lymphocytic leukemia
A two-prong approach combining ibrutinib and rituximab (Rituxin) to treat aggressive chronic lymphocytic leukemia produced profound responses with minor side effects in a Phase 2 clinical trial at the University of Texas MD Anderson Cancer Center.

The chemistry of early photographs: New American Chemical Society video
The chemistry of early photography comes under the lens in a new episode of Bytesize Science, the American Chemical Society's award-winning video series.

Carbon nanotubes lower nerve-damaging chloride in cells
A nanomaterial engineered by researchers at Duke can help regulate chloride levels in nerve cells that contribute to chronic pain, epilepsy, and traumatic brain injury.

Face transplantation calls for 'reverse craniofacial planning'
As surgical teams gain experience with facial transplantation, a careful approach to planning based on the principles of craniofacial surgery can help to maximize patient outcomes in terms of facial form and function, according to an article in The Journal of Craniofacial Surgery.

The greatest medical resource you've never heard of: Rochester epidemiology project
It's the medical resource behind discoveries that have affected patients around the globe, treasured by researchers and funded by the National Institutes of Health for nearly 50 years: The Rochester Epidemiology Project.

Boston College researcher looks to stop a deadly parasite in its tracks
The parasite-borne illness toxoplasmosis strikes with deadly consequences in people with weakened immune systems, such as cancer patients undergoing chemotherapy.

To fight incurable metastatic breast cancer, resistance must be broken
One of the most frustrating truths about cancer is that even when a treatment works, it often doesn't work for long because cancer cells find ways to resist.

Palliative care improves outcomes for seniors
A paper published in the Gerontologist reports seniors in long-term care experienced a significant reduction in emergency room visits and depression when receiving palliative care services, according to a recent collaborative study by researchers at Hebrew SeniorLife's Hebrew Rehabilitation Center and Institute for Aging Research, both affiliated with Harvard Medical School.

Joslin scientists: Brown adipose tissue beneficial for metabolism and glucose tolerance
Joslin Diabetes Center scientists have demonstrated that brown adipose tissue has beneficial effects on glucose tolerance, body weight and metabolism.

Feeling lonely linked to increased risk of dementia in later life
Feeling lonely, as distinct from being/living alone, is linked to an increased risk of developing dementia in later life, indicates research published online in the Journal of Neurology Neurosurgery & Psychiatry.

The image of mental fatigue
According to Bui Ha Duc and Xiaoping Li of the National University of Singapore writing in a forthcoming issue of the International Journal Computer Applications in Technology brain scans could help scientists uncover the neurobiological mechanisms underlying mental fatigue.

Onion soaks up heavy metal
Onion and garlic waste from the food industry could be used to mop up hazardous heavy metals, including arsenic, cadmium, iron, lead, mercury and tin in contaminated materials, according to a research paper published in the International Journal of Environment and Pollution.

Leading experts urge Europe to implement personalized medicine in healthcare
New report by the European Science Foundation's membership organization, the European Medical Research Councils, sets out key recommendations for the introduction and implementation of personalized medicine.

Fred Hutchinson Cancer Research Center partners with GlaxoSmithKline to develop muscular dystrophy therapeutics
Fred Hutchinson Cancer Research Center and GlaxoSmithKline PLC today announced a partnership to develop therapeutics to treat an inherited form of muscular dystrophy.

Researchers demonstrate that a saliva analysis can reveal decision-making skills
University of Granada researchers have found that, in a stressful situation, people who are not skilled in decision-making have greater cortisol levels (the stress hormone) in saliva than people highly skilled in decision-making.

Water, water everywhere, and Silas Mariner may have been right
Panos Diplas, professor of civil and environmental engineering at Virginia Tech, studies river mechanics, improving the understanding of erosion processes and sediment transport.

Drug helps women who stop smoking keep weight off
A medication being tested to help smokers kick the habit also may help avoid the weight gain that is common after quitting -- but only in women.

Biologists engineer algae to make complex anti-cancer 'designer' drug
Biologists at UC San Diego have succeeded in genetically engineering algae to produce a complex and expensive human therapeutic drug used to treat cancer.

Do we live in a computer simulation? Researchers say idea can be tested
A decade ago, a British philosopher put forth the possibility that our universe might be a computer simulation run by our descendants.

Mother's vitamin D level linked to birth weight
Mothers' vitamin D levels at a gestation of 26 weeks or less were positively related to birth weight and head circumference, and, in the first trimester were negatively associated with risk of a baby being born small for gestational age, according to a recent study accepted for publication in The Endocrine Society's Journal of Clinical Endocrinology & Metabolism.

UCLA cancer scientists identify liposarcoma tumors that respond to chemotherapy
Using a strategy that tracks cancer cells' consumption of nucleosides, a team of researchers at UCLA's Jonsson Comprehensive Center has identified a group of liposarcoma tumors that can be imaged by PET scanning using a tracer substance known as FAC.

Blood levels of immune protein predict risk in Hodgkin disease
Dana-Farber researchers found levels galectin-1, an immunity-related protein, could be the basis of a test and potentially a targeted treatment for Hodgkin lymphoma.

Targeted prostate biopsy has potential to improve diagnosis of prostate cancer
Current methods of prostate biopsy are limited by over detection of slow-growing tumors and under detection of clinically relevant cancers.

Mobile app boosts weight loss by 15 pounds
Using a mobile app that tracks eating and activity helped people lose an average of 15 pounds and keep it off for at least a year, reports a new study.

A new tool for secret agents -- and the rest of us
Electrical engineers at the California Institute of Technology have developed inexpensive silicon microchips that generate and radiate terahertz waves.

Springer launches new journal with the Italian Association of Nuclear Medicine and Molecular Imaging
Springer will launch a new journal Clinical and Translational Imaging: Reviews in Nuclear Medicine and Molecular Imaging.

Caffeinated coffee linked to lower risk of some oral cancers
A new American Cancer Society study finds a strong inverse association between caffeinated coffee intake and oral/pharyngeal cancer mortality.

New edition of 'Bacterial Genetics' text available
ASM Press announces the fourth edition of Molecular Genetics of Bacteria, a textbook that centers on the most-studied bacteria, Escherichia coli and Bacillus subtilis, in addition to examples from other medically, ecologically or biotechnologically significant bacteria.

Annals of Internal Medicine tip sheet for Dec. 11, 2012
Below is information about an article being published in the Dec.

Tiny compound semiconductor transistor could challenge silicon's dominance
MIT researchers develop the smallest indium gallium arsenide transistor ever built.

More than 3,000 epigenetic switches control daily liver cycles
When it's dark, and we start to fall asleep, most of us think we're tired because our bodies need rest.

On quills and needles: Prickly porcupine is a muse for future medical devices
Researchers from Brigham and Women's Hospital have uncovered how North American porcupine quills easily penetrate tissues and why, once lodged in flesh, they are often difficult to remove.

Maintaining weight loss as important as losing it for older women
New research from Wake Forest Baptist Medical Center found that gaining weight back after intentional weight loss is associated with negative long-term effects on some cardiometabolic risk factors in postmenopausal women.

Study suggests odds of visual field testing for glaucoma decreased most for Hispanics in past decade
The odds of individuals with open-angle glaucoma undergoing visual field testing decreased for all racial/ethnic groups from 2001 through 2009, but the odds decreased the most for Hispanic men and women in a study of enrollees in a large US managed care network

Entrepreneurial University of the Year 2012
The University of Huddersfield has won the award of Entrepreneurial University of the Year Award. is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to