Brightsurf Science News & Current Events

March 16, 2015
MDC cancer researchers identify new function in an old acquaintance
Cells have two different programs to safeguard them from developing cancer.

Review suggests vitamin D supplementation not associated with lower blood pressure
A review of clinical trial data suggests vitamin D supplementation was ineffective at lowering blood pressure and should not be used as an antihypertensive, according to an article published online by JAMA Internal Medicine.

These 15 animal species have the lowest chance for survival: Researchers urge to act
Climbing rats, seabirds and tropical gophers are among the 15 animal species that are at the absolute greatest risk of becoming extinct very soon.

Neither more food nor better food -- still, fish biomass increases
To increase the biomass of fish, contemporary ecological theory predicts that either the amount of food or the quality of the food has to increase.

Development of a carnivorous pitcher leaf
A research team in Japan has revealed how carnivorous pitcher leaves are formed in Sarracenia purpurea, a carnivorous plant.

New images of the brain show the forgetful side effect of frequent recall
A new study from the University of Birmingham and the MRC Cognition and Brain Sciences unit in Cambridge has shown how intentional recall is beyond a simple reawakening of a memory; and actually leads us to forget other competing experiences that interfere with retrieval.

Jim Allison wins 2015 Paul Ehrlich and Ludwig Darmstaedter Prize
Jim Allison, Ph.D., chair of Immunology at the University of Texas MD Anderson Cancer Center, received the 2015 Paul Ehrlich and Ludwig Darmstaedter Prize Saturday in recognition of his work opening a completely new way to treat cancer.

Catalyst destroys common toxic nerve agents quickly
Northwestern University scientists have developed a robust new material, inspired by biological catalysts, that is extraordinarily effective at destroying toxic nerve agents that are a threat around the globe.

Mayo Clinic finds direct evidence of gadolinium deposition in brain tissues
Mayo Clinic research finds direct evidence of gadolinium deposition in neuronal tissues following intravenous administration of gadolinium-based contrast agents used in MRI exams.

Complete angioplasty safe for certain heart attack survivors
Patients who experience the deadliest form of heart attack -- ST segment elevation myocardial infarction -- and suffer from substantial narrowing in multiple heart arteries may benefit from receiving angioplasty in constricted arteries not affected by the heart attack, thereby reducing the need for future angioplasty, according to research presented at the American College of Cardiology's 64th Annual Scientific Session.

No mortality benefit of bypass surgery compared to latest generation of drug-coated stents
Newer drug-coated stents that keep arteries open have similar long-term rates of death compared with traditional bypass surgery for patients with more than one diseased coronary artery.

Warm ocean water is making Antarctic glacier vulnerable to significant melting
Researchers have discovered a valley underneath East Antarctica's most rapidly-changing glacier that delivers warm water to the base of the ice, causing significant melting.

Los Alamos offers new insights into radiation damage evolution
Two reports from Los Alamos National Laboratory this week in the Nature journal Scientific Reports are helping crack the code of how certain materials respond in the highly damaging radiation environments within a nuclear reactor.

Exercise affects tumor growth and drug response in a mouse model of breast cancer
Abnormal growth of blood vessels in solid tumors creates areas of hypoxia, which, in turn makes the tumors more aggressive and resistant to therapy.

Products that reversibly change shape with temperature may revolutionize medicine
New research highlights the capability of reversible shape-memory polymers to change their shape when heated to body temperature and then switch back to their original shape when cooled to room temperature.

Elsevier announces the launch of open-access journal: Reviews in Physics
Elsevier, a world-leading provider of scientific, technical and medical information products and services, is pleased to announce the launch of a new open-access journal Reviews in Physics.

Research letter estimates substandard vaccination to blame for measles outbreak
An analysis of publicly available outbreak data suggests that substandard vaccination compliance is likely to blame for the recent measles outbreak linked to Disneyland in California, according to an article published online by JAMA Pediatrics.

Scans for clinic patients may cut heart attack risk, study finds
Routine heart scans for patients referred to cardiac clinics with chest pain could reduce heart attack rates, research from the University of Edinburgh suggests.

Ablation during mitral valve surgery reduces atrial fibrillation
Patients with atrial fibrillation who received ablation while they were already undergoing surgery to correct a leaky heart valve had fewer episodes of atrial fibrillation a year later compared to patients who had the valve surgery alone, according to a study presented at the American College of Cardiology's 64th Annual Scientific Session.

NASA sees Tropical Cyclone Nathan moving south and strengthening
The MODIS instrument aboard NASA's Terra satellite captured a visible image of Tropical Cyclone Nathan east of the Queensland coast on March 16 at 0:00 UTC.

Study examines memory and effects on the aging brain
A study of brain aging finds that being male was associated with worse memory and lower hippocampal volume in individuals who were cognitively normal at baseline, while the gene APOE ?4, a risk factor for Alzheimer disease, was not, according to an article published online by JAMA Neurology.

Study of veterans finds family support during deployment reduces suicidal thoughts
Family support during deployment is an important protective factor against post-deployment suicidal ideation according to a new study in the journal Anxiety, Stress and Coping.

Study: Past warming increased snowfall on Antarctica, affecting global sea level
A new study confirms that snowfall in Antarctica will increase significantly as the planet warms, offsetting future sea level rise from other sources -- but the effect will not be nearly as strong as many scientists previously anticipated because of other, physical processes.

Dietary dioxins not associated with increased breast cancer risk
Estimated exposure to dioxins through dietary intake is not associated with an increased risk of developing a breast cancer among low exposed women, according to a large cohort study published in open access journal Breast Cancer Research.

VIMS develops underwater robot to assist in oil-spill cleanup
Prototype developed by Dr. Paul Panetta and crew uses sound waves to help gauge thickness of slicks.

Motor neurone disease -- researchers identify new group of gene suspects
Researchers have identified a new host of gene variants that could make people vulnerable to sporadic motor neuron disease, according to a report published today in the journal, Scientific Reports.

The devil's helmet for a legendary tiger moth
The Menetries' tiger moth (Borearctia menetriesii) is the most rare and enigmatic representative among the Palearctic Arctiinae.

Genetics: No evidence of role in racial mortality gap
There is still no evidence of genetic difference between blacks and whites to account for the health disparities in cardiovascular disease, according to a new study by McGill University researchers.

World Trade Center workers at increased risk of developing autoimmune diseases
A new study has found a strong link between prolonged work at the World Trade Center site following the terrorist attacks of Sept.

Global economic impact of diabetes revealed in new study
Diabetes reduces people's employment chances and wages around the world -- according to a new study from the University of East Anglia.

Omics methods: Towards a better prediction of the effects of substances at very low doses
It was possible to demonstrate, for example, that even low quantities of benzopyrene can have effects on the protein pattern and hence the metabolism and signal pathways in cells, even though the concentration is a hundred times below what is required to drive cells directly into apoptosis.

Can mechanisms used during hibernation help animals colonize new habitats?
Heterothermy, the ability of some animals to lower their metabolism and body temperature, is traditionally seen as an effective adaptation to predictable seasonal bottlenecks of unproductive cold periods.

Medications used to treat diabetes may trigger heart failure, study finds
A comprehensive study examining clinical trials of more than 95,000 patients has found that glucose or sugar-lowering medications prescribed to patients with diabetes may pose an increased risk for the development of heart failure in these patients.

Depictions of race on TV news can influence perception of police
Research shows that depictions of race on television news programs can strongly influence support for police among non-white viewers.

Catch analytics wave at leading analytics big data conference in Huntington Beach, April 12-14
The Institute for Operations Research and the Management Sciences, the leading international association for professionals in advanced analytics and operations research, announced today that its annual business analytics conference will take place in Huntington Beach, Calif., April 12-14.

New system for detecting adverse effects of medications using social media
Researchers at Carlos III Universidad de Madrid have developed a system for detecting adverse effects of pharmaceutical drugs by tracking information generated by patients on specialized blogs or social networks such as Twitter in real time.

Ben-Gurion U. researchers develop groundbreaking approach to evaluate sleep disorders
'We've developed a non-contact 'breathing sound analysis' algorithm that provides a reliable estimation of whole-night sleep evaluation for detection of sleep quality, snoring severity and obstructive sleep apnea.

Overhaul of European and US medical device safety recommended by leading diabetes associations
Two major diabetes associations have joined forces to recommend a comprehensive overhaul of medical device safety, involving regulators, manufacturers, doctors and the associations themselves.

Low vaccination rates fuel the 2015 measles outbreak
Inadequate vaccine coverage is likely a driving force behind the ongoing Disneyland measles outbreak, according to calculations by a research team at Boston Children's Hospital.

Annals of Internal Medicine tip sheet for March 17, 2015
Below is a summary of articles being featured in the next issue of Annals of Internal Medicine, including 'ACP advises against screening for heart disease in low risk adults'; 'Culture-based screening strategy reduced incidence of immigration-related tuberculosis in US'; and 'Two studies examine cost-effectiveness of new hepatitis C treatments.'

Two-year study: Despite bednets and drugs, malaria cases increasing in rural Uganda
Belying the global trend of a decline in malaria cases, the incidence of malaria in rural Uganda is high and on the increase, suggesting that more aggressive methods of controlling the disease in high-transmission areas of sub-Saharan Africa are urgently needed, according to a new two-year surveillance study published online today in the American Journal of Tropical Medicine & Hygiene.

Researchers rethink how our feathered friends evolved
A recently published global genome study that used the data-intensive Gordon supercomputer at the San Diego Supercomputer at the University of California, San Diego, has researchers rethinking how avian lineages diverged after the extinction of the dinosaurs.

Inflammatory markers linked with an increased risk of premature death in adults with COPD
Chronic obstructive pulmonary disease, or COPD, is characterized by a state of inflammation.

Persuasive power: Members of Congress can sway the public
Members of the US Congress really do have the power to persuade their constituents in several different ways, according to a first-of-its kind national study.

Patients 80 years and older would benefit from aggressive treatment
Patients over age 80 with acute coronary syndromes would likely benefit from more invasive tests and therapies that may otherwise be denied them due to their age, according to research presented at the American College of Cardiology's 64th Annual Scientific Session in San Diego.

A second minor planet may possess Saturn-like rings
Researchers detect features around Chiron that may signal rings, jets, or a shell of dust.

Mental health misdiagnosis twice more likely for socially disadvantaged groups
The shooting of an unarmed teenager in Ferguson ignited a global discussion about implicit racial bias.

UNC-Chapel Hill researchers collaborate to develop revolutionary 3-D printing technology
A new 3-D printing technology, called Continuous Liquid Interface Production (CLIP), was revealed on March 16 by professor DeSimone simultaneously at TED2015 in Vancouver and in a paper published in Science.

Routine clot removal after heart attack not beneficial, may have risk
Routine strategy of blood clot removal during treatment for heart attacks not beneficial and associated with an increased risk of stroke.

'Additive manufacturing' could greatly improve diabetes management
Using a process similar to ink jet printing, engineers have created an improved type of glucose sensor for people with type 1 diabetes.

Largest medical specialty organization in US meets to present latest advances in internal medicine
More than 6,000 internal medicine physicians, subspecialists, medical students, and allied health professionals from around the world will gather for the American College of Physicians' Internal Medicine Meeting 2015 from April 30-May 2 at the Boston Convention and Exhibition Center.

Kidney transplant tolerance mechanism identified
Researchers have pinpointed the immune system mechanism that allows a kidney transplant to be accepted without lifelong immunosuppressive drugs.

Predicting prostate cancer
A Northwestern University-led study in the emerging field of nanocytology could one day help men make better decisions about whether or not to undergo aggressive prostate cancer treatments.

Insulin pumps need greater safety review
Not enough is known about the safety and efficacy of insulin pumps, and a comprehensive safety overhaul -- including greater access to data from pump manufacturers and public funding of research on the use of insulin pumps -- is needed to allow health care teams to educate and support those using the devices.

Study identifies 'lethal' subtype of prostate cancer
A University of Colorado Cancer Center study published in the journal Cancer Research defines a new, distinct subtype of 'lethal' prostate cancer marked by the loss of two genes, MAP3K7 and CHD1.

Research calls for new policies to support women veterans' health care needs
As more women veterans seek health care in the Veterans Administration (VA) system, effective approaches are needed to ensure that their unique needs are recognized and met.

Risk patterns identified that make people more vulnerable to PTSD
Researchers from NYU Langone Medical Center have built a new computational tool that identifies 800 different ways people are at increased risk for post-traumatic stress disorder, permitting for the first time a personalized prediction guide.

Label design may affect risk of medication errors in OR, reports Journal of Patient Safety
Special redesigned labels for intravenous medication bags may help to prevent serious medication errors in the operating room, reports a study in the March issue of the Journal of Patient Safety.

Scripps Florida scientists confirm key targets of new anti-cancer drug candidates
In a new study, scientists from the Florida campus of the Scripps Research Institute have confirmed the ribosome assembly process as a potentially fertile new target for anti-cancer drugs by detailing the essential function of a key component in the assembly process.

Uncovering the secrets of super solar power perovskites
In a scant five years of development, hybrid perovskite solar cells have attained power conversion efficiencies that took decades to achieve with the top-performing conventional materials, but scientists have lacked a clear understanding of the precise goings on at the molecular level.

Cyborg beetle research allows free-flight study of insects
Cyborg insect research led by engineers at UC Berkeley and Singapore's Nanyang Technological University is enabling new revelations about a muscle used by beetles for finely graded turns.

Oncologists reveal reasons for high cost of cancer drugs in the US, recommend solutions
Increasingly high prices for cancer drugs are affecting patient care in the US and the American health care system overall, say the authors of a special article published online in the journal Mayo Clinic Proceedings.

New information system on raw materials
Today the JRC launches the Raw Materials Information System (RMIS), a comprehensive online repository of information on policies, activities and data related to the European raw materials sector.

Cropping Africa's wet savannas would bring high environmental costs
With the global population rising, analysts and policymakers have targeted Africa's vast wet savannas as a place to produce staple foods and bioenergy groups at low environmental costs.

Even high-risk patients can benefit from aortic aneurysm repair
Minimally invasive surgery can prevent a fatal rupture of an abdominal aortic aneurysm.

Hydrazine is not a prevalent contaminant in smokeless tobacco products
After many years of speculation, it has finally been established that hydrazine is not a prevalent contaminant in contemporary smokeless tobacco products.

Stanford scientists change human leukemia cells into harmless immune cells
Researchers at the Stanford University School of Medicine have discovered a method that can cause dangerous leukemia cells to mature into harmless immune cells known as macrophages.

How does prison time affect relationships?
A new study highlights the complicated spillover effects of incarceration on the quality of relationships.

Nano piano's lullaby could mean storage breakthrough
Researchers from the University of Illinois at Urbana-Champaign have demonstrated the first-ever recording of optically encoded audio onto a non-magnetic plasmonic nanostructure, opening the door to multiple uses in informational processing and archival storage.

Global warming brings more snow to Antarctica
Although it sounds paradoxical, rising temperatures might result in more snowfall in Antarctica.

Survey finds doctors want to learn more about diet and cardiovascular disease prevention
Most physicians are aware of the importance of lifestyle factors in preventing cardiovascular disease -- and believe diet is as important as statin therapy and exercise, according to a new survey from NYU Langone Medical Center.

Dialing a bespoke signal
Exploring the fundamental mechanism by which a cell-surface receptor transmits its signal, an international team of Ludwig researchers and their colleagues has established proof of concept for an entirely new approach to drug design.

Tropical Cyclone Bavi moving through Philippine Sea
NASA's Aqua satellite captured visible and infrared data on Tropical Cyclone Bavi as it moved in a westward motion through the Philippine Sea.

Sufficient sleep is important for healthy sexual desire
In a study of 171 women, those who obtained more sleep on a given night experienced greater sexual desire the next day.

Designing a better way to study stomach flu
Rice University bioengineers are teaming with colleagues from Baylor College of Medicine and MD Anderson Cancer Center to apply the latest techniques in tissue engineering toward the study of one of the most common and deadly human illnesses -- the stomach flu.

Available treatments for hepatitis C virus cost-effective when initiated early
New treatments for hepatitis C virus (HCV) may be highly effective but are associated with substantial costs that may compel clinicians and patients to consider delaying treatment.

American College of Cardiology's 64th Annual Scientific Session tip sheet for March 16, 2015
Previous studies have suggested endurance athletes may face a slightly higher risk of developing atrial fibrillation, a condition in which the heartbeat becomes irregular or rapid.

New remote control for molecular motors
Magnetic molecules can be considered as nanoscale magnets. Remotely controlling the direction in which they rotate may intuitively be difficult to achieve.

New technique to chart protein networks in living cells
Fully automated single molecule measurements allow scientists to probe complex biological networks in living cells.

Thinking of your life as a novel
Middle-aged Americans who show high levels of societal involvement and mental health are especially likely to construe their lives as stories of personal redemption, according to new Northwestern University research.

Life scientists streamline cutting-edge technique to edit mosquito genome
Virginia Tech researchers address a fundamental problem in the study of vector-borne diseases, revealing an improved way to study genes in mosquitoes using a genome-editing method known as CRISPR-Cas9, which exploded onto the life science scene in 2012.

Penn vet team points to new colon cancer culprit
Colon cancer is a heavily studied disease -- and for good reason.

Kerafast and the Wistar Institute announce collaboration through Kerafast Fellows Program
The Wistar Institute, an international leader in biomedical research, and Kerafast Inc., developers of an online platform that facilitates accessibility to unique bioresearch materials from laboratories across the globe, today announced Wistar's partnership in the Kerafast Fellows Program.

Study finds baroreflex activation therapy effectively treats heart failure
Results of a clinical trial announced today at the American College of Cardiology Annual Scientific Session show a new type of therapy is safe and effective for symptomatic advanced heart failure patients who are already receiving optimum drug and device therapy.

ACP releases High Value Care advice for 1 of the most common diagnostic tests in US
Physicians should not screen for cardiac disease in adults at low risk for coronary heart disease with resting or stress electrocardiography, stress echocardiography, or stress myocardial perfusion imaging, the American College of Physicians advises in a paper published in Annals of Internal Medicine.

Moral decisions can be manipulated by eye tracking
Moral decisions can be influenced by tracking moment to moment movements of the eyes during deliberation, finds new research from Lund University, Sweden, University College London and University of California Merced.

The 10-point guide to the integral management of menopausal health
Elsevier journal Maturitas, today announced the publication of a position statement by the European Menopause and Andropause Society covering the 10-point guide to the integral management of menopausal health.

How do students use video in higher education?
A new SAGE white paper out today reveals the types of educational videos that appeal to students and where they go to find them.

Researchers find 'affinity switch' for proteasome assembly process in cells
Researchers conducted a study that looked at how proteasome-specific chaperones work at the molecular level to help in proteasome formation.

Craft beer chemistry (video)
It's been around for centuries but it seems like beer has never been more popular.

When cancer cells stop acting like cancer
Cancer cells crowded tightly together suddenly surrender their desire to spread, and this change of heart is related to a cellular pathway that controls organ size.

Scientists discover gecko secret
In a world first, a research team including James Cook University scientists has discovered how geckos manage to stay clean, even in dusty deserts.

Can watching porn make you better in bed?
A new study from UCLA and Concordia University -- the first to actually test the relationship between how much erotica men are watching and erectile function -- shows that viewing sexual films is unlikely to cause erectile problems and may even help sexual arousal.

Laughter is an effective catalyst for new relationships
If you want someone to open up to you, just make them laugh.

Consistency is the key to success in bread baking and biology
Whether you're baking bread or building an organism, the key to success is consistently adding ingredients in the correct order and in the right amounts, according to a new genetic study by University of Michigan researchers.

Cancer drug may reduce bleeding in patients with rare genetic disorder, HHT
A cancer drug that helps keep tumors from growing blood vessels may help patients with a rare genetic condition in which malformed vessels increase their risk for bleeding and anemia.

Frequency of tornadoes, hail linked to El Niño, La Niña
A new study shows that El Niño and La Niña conditions can help predict the frequency of tornadoes and hail storms in some of the most susceptible regions of the United States.

Mathias Klaeui awarded ERC Proof of Concept Grant to develop innovative magnetic sensors
Condensed matter physicist Mathias Kläui has been awarded an ERC Proof of Concept Grant to develop innovative magnetic sensors for applications involving thousands of revolutions.

St. Louis MetroMarket to take the fight to end hunger on the road
Saint Louis University received $75,000 in grant funds to tackle the health impacts of living without easy access to grocery stores and healthy foods.

Wealth and power may have played a stronger role than 'survival of the fittest'
In a study led by scientists from Arizona State University, the University of Cambridge, University of Tartu and Estonian Biocentre, and published in the journal Genome Research, researchers discovered a dramatic decline in genetic diversity in male lineages four to eight thousand years ago -- likely the result of the accumulation of material wealth, while in contrast, female genetic diversity was on the rise.

Jailbreaking yeast could amp up wine's health benefits, reduce morning-after headaches
University of Illinois scientists have engineered a 'jailbreaking' yeast that could greatly increase the health benefits of wine while reducing the toxic byproducts that cause your morning-after headache.

Scientists make surprising finding in stroke research
Scientists at The University of Manchester have made an important new discovery about the brain's immune system that could lead to potential new treatments for stroke and other related conditions.

Universal public drug plan could save money for Canada
Contrary to common public perception, Canadian taxpayers could save billions by the introduction of a universal public drug plan to provide prescriptions to all Canadians, according to new research published in CMAJ (Canadian Medical Association Journal).

NTU Singapore ties up with the Smithsonian Institution for research in tropical ecology
Nanyang Technological University, Singapore has partnered the Smithsonian Institution, the world's largest museum and research complex based in the United States, to advance research in tropical ecology.

Study reveals value of zoos and aquariums in boosting biodiversity understanding
Zoos and aquariums around the world have a crucial role to play in helping people understand how they can protect animals and their natural habitats, new research from the University of Warwick, the World Association of Zoos and Aquariums and Chester Zoo has found.

Fungal genetics meeting to showcase breakthroughs in molecular biology
Nearly 1,000 scientists from 35 countries will attend the 28th Fungal Genetics Conference organized by the Genetics Society of America, March 17-22, 2015, at the Asilomar Conference Grounds in Pacific Grove, Calif.

Arm is safer access point than groin for catheter-based heart procedures
Patients with acute coronary syndrome undergoing coronary angiogram, a procedure used to assess blockages in the heart's arteries, had a significantly lower risk of major bleeding and death if their interventional cardiologist accessed the heart through an artery in the arm rather than the groin, according to research presented at the American College of Cardiology's 64th Annual Scientific Session.

Spherical nucleic acids set stage for new paradigm in drug development
A Northwestern University-led research team led is the first to show spherical nucleic acids (SNAs) can be used as potent drugs to effectively train the immune system to fight disease, by either boosting or dampening the immune response.

Survival gardening goes global via cellphone animations
Subsistence farmers in Africa, the Americas and the Caribbean are learning how to construct raised planting beds and install drip irrigation systems to boost their agricultural productivity, conserve water and perhaps even halt the rapid advance of desertification in some drought-prone regions.

Universal public drug coverage would save Canada billions
Canada could save $7.3 billion annually with universal public coverage of medically necessary prescription drugs.

Colorful life-form catalog will help discern if we're alone
While looking for life on planets beyond our own solar system, a group of international scientists has created a colorful catalog containing reflection signatures of Earth life forms that might be found on planet surfaces throughout the cosmic hinterlands.

Genetically manipulating plants can reduce their water needs
Improving the efficiency by which crops use water is a critical priority for regions facing increased drought or diminished groundwater resources.

Finding fault: New information may help understand earthquakes
New modeling and analyses of fault geometry in the Earth's crust by geoscientist Michele Cooke and colleagues at the University of Massachusetts Amherst are advancing knowledge about fault development in regions where one geologic plate slides past or over another, such as along California's San Andreas Fault and the Denali Fault in central Alaska.

Seeps are microbial hotspots, homes to cosmopolitan microorganisms
New study provides evidence naturally occurring methane gas leaks in the sea floor vital to the microbial diversity are highly diverse themselves.

Biodiversity-protected areas in Indonesia ineffective in preventing deforestation: NUS-led study
A study led by researchers from the National University of Singapore has found that the monitoring and prevention of road construction within protected areas and stepping up control measures in illegal logging hotspots would be more effective for conservation than reliance on protected areas alone.

MD Anderson study, new hepatitis C drugs will place strain on health care system
The cost of treating people infected with the hepatitis C virus (HCV) with newly approved therapies will likely place a tremendous economic burden on the country's health care system.

Baboon friends swap gut germs
The warm soft folds of the intestines are teeming with thousands of species of bacteria that help break down food, synthesize vitamins, regulate weight and resist infection.

Rebooting cell programming can reverse liver failure, says Children's Hospital/Pitt study
It might be possible to heal cirrhotic liver disease by rebooting the genes that control liver cell function, according to researchers at Children's Hospital of Pittsburgh of UPMC and the University of Pittsburgh School of Medicine.

Exercise slows tumor growth, improves chemotherapy in mouse cancers
In a study published in the March 16, 2015, issue of the Journal of the National Cancer Institute, researchers led by Duke Cancer Institute scientists studied the impact of exercise in models of breast cancer in mice.

East Antarctica melting could be explained by oceanic gateways
Researchers from the University of Texas at Austin have discovered two seafloor gateways that could allow warm ocean water to reach the base of Totten Glacier, East Antarctica's largest and most rapidly thinning glacier.

Pollution levels linked to stroke-related narrowing of arteries
Air pollution has been linked to a dangerous narrowing of neck arteries that occurs prior to strokes, according to researchers at NYU Langone Medical Center.

Research 'measures the pulse of planet Earth' to reveal hidden patterns of climate change
An international research team led by University of Leicester reveals subtle changes in Europe's climate through a method used by heart surgeons.

New possibilities for the treatment of breast cancer arise, with the help of mathematics
Researchers of three of Switzerland's leading scientific institutions have brought to light a means of reprogramming a flawed immune response into an efficient anti-tumoral one by the results of a translational trial relating to breast cancer.

Genetic discovery provides clues to how TB may evade the immune system
The largest genetic study of tuberculosis susceptibility to date has led to a potentially important new insight into how the pathogen manages to evade the immune system.

Scientists find DNA is packaged like a yoyo
A research team led by University of Illinois professor of physics Taekjip Ha has found that DNA uncoils from the nucleosome asymmetrically (uncoiling from one end much more easily) in a recent publication in Cell.

Heart failure patients fare better with catheter ablation than Amiodarone
Among patients with heart failure and atrial fibrillation, those who underwent catheter ablation were less likely to die, be hospitalized or have recurrent atrial fibrillation than patients taking a heart rhythm regulating drug, according to a study presented at the American College of Cardiology's 64th Annual Scientific Session.

University of Sydney: Discovery holds promise for gene therapy and agriculture
A key step in understanding the genetic mechanism of plants' environmental adaptability has made in research led by the University of Sydney.

Winter months SAD for US Treasury securities, study reveals
The best time to invest in US Treasury securities may be spring, thanks to seasonal variations in investor risk tolerance linked to depression.

Tiny Triffids march to Science Photography Competition's top prize
An image of a diamond-coated forest of carbon nanotubes that can act as miniature electron emitters, has won the overall prize in a national science photography competition organised by the Engineering and Physical Sciences Research Council.

How NORE1A acts as a barrier to tumor growth
Researchers reveal how cells protect themselves from a protein that is a key driver of cancer.

A new method for making perovskite solar cells
Researchers have come up with a new way of making thin perovskite films for solar cells.

'Sharenting' trends: Do parents share too much about kids on social media?
Do 'sharents' go too far in creating a digital identity for kids before they're even old enough to have a Facebook account themselves?

Molecular ruler sets bacterial needle length
University of Utah biologists report how a disposable molecular ruler or tape measure determines the length of the needle salmonella bacteria use to infect target cells.

A breakfast of champions for diabetics
For people with type-2 diabetes, blood sugar surges -- glucose spikes after meals -- can be life threatening, leading to cardiovascular complications.

DDW® 2015 offers reporters access to leading researchers in digestive health
DDW, May 16-19 in Washington, D.C., is the largest international gathering of physicians, researchers and academics in the fields of gastroenterology, hepatology, endoscopy and gastrointestinal surgery.

Symmetry matters in graphene growth
Research led by Rice University detailed the subtle interplay between carbon and substrate atoms in the growth of graphene.

By land and by sea: Scientists find differences in tanning treatments for materials
Cod liver oil and willow bark extract used in the tanning of skins for clothing and other products offer notable differences in treatment, a study by a team of scientists shows.

Routine clot removal after heart attack not beneficial, may increase risk
A technique used to clear blood clots from arteries to the heart in about 20 percent of patients undergoing angioplasty appears to increase the risk of stroke without providing the intended benefit, according to a study presented at the American College of Cardiology's 64th Annual Scientific Session.

High-dose zinc acetate lozenges may help shorten symptoms associated with the common cold
According to a meta-analysis published in BMC Family Practice, high-dose zinc acetate lozenges may help shorten diverse symptoms associated with the common cold.

Targets identified for developing therapies for IBMPFD
New study identifies potential targets for developing therapies to treat IBMPFD, a rare and deadly genetic disorder that has devastated entire families, robbing many of their members of their ability to talk, walk and think clearly.

A more tolerant America?
As the nation's headlines turn more and more to issues of tolerance -- race, religion, free speech, same sex marriage -- research by San Diego State University psychology professor Jean Twenge shows that Americans are actually more tolerant than ever before.

Finger lengths may indicate risk of schizophrenia in males
Research suggests that the ratio of the lengths of the index finger and the ring finger in males may be predictive of a variety of disorders related to disturbed hormonal balance.

Supercomputers help solve puzzle-like bond for biofuels
Dr. Klaus Schulten and team discover one of life's strongest bonds with the help of supercomputers.

Microbes in the seafloor: Little nutrients, lots of oxygen
About one-quarter of the global seafloor is extremely nutrient poor.

2015 Harriet Evelyn Wallace Scholarship winners announced
The American Geosciences Institute would like to congratulate Emma Reed and Annette Patton, both Master's candidates, as the two latest recipients of the Harriet Evelyn Wallace Scholarship.

Second natural quasicrystal found in ancient meteorite
A team from Princeton University and the University of Florence in Italy has discovered a quasicrystal -- so named because of its unorthodox arrangement of atoms -- in a 4.5-billion-year-old meteorite from a remote region of northeastern Russia, bringing to two the number of natural quasicrystals ever discovered.

NASA sees Extra-Tropical Storm Pam moving away from New Zealand
Pam, a once powerful Category 5 hurricane on the Saffir-Simpson Scale is now an extra-tropical storm moving past northern New Zealand.

Rare African bush may help kidney cancer treatment
New research has shown why a bush that is only found in some African countries could hold a key to killing renal (kidney) cancer cells.

New Notre Dame paper examines social effects on the gut microbiome of wild baboons
A new study led by Elizabeth Archie, Clare Boothe Luce Assistant Professor of Biology at the University of Notre Dame, has found that social interactions have direct effects on the gut microbiome.

Investigators find window of vulnerability for STIs to infect female reproductive tract
Dartmouth researchers have presented a comprehensive review of the role of sex hormones in the geography of the female reproductive tract and evidence supporting a 'window of vulnerability' to HIV and other sexually transmitted infections.

Maps predict strength of structures
Inspired by seashells, Rice researchers create a design map that predicts the strength, stiffness and toughness of composite materials.

Elsevier announces the launch of a new journal: Molecular Astrophysics
Elsevier, a world-leading provider of scientific, technical and medical information products and services, today announced the launch of the Molecular Astrophysics, a new journal focusing on the formation of molecules in space.

Health system factors improve medication adherence among seniors with diabetes
Specific system-level factors controlled by health care systems -- including prescriptions with a medication supply greater than 90 days, mail-order pharmacy use, and lower copayments and out-of-pocket maximums -- nearly doubled the likelihood that patients adhered to prescribed heart and diabetes medications, according to a new study published in the journal Medical Care.

Losing weight substantially reduces atrial fibrillation
Obese patients with atrial fibrillation who lost at least 10 percent of their body weight were six times more likely to achieve long-term freedom from this common heart rhythm disorder compared to those who did not lose weight, according to a study presented at the American College of Cardiology's 64th Annual Scientific Session.

Researchers increase energy density of lithium storage materials
An interdisciplinary team of researchers of Karlsruhe Institute of Technology (KIT) and KIT-founded Helmholtz Institute Ulm pushes the further development of lithium ion batteries: The researchers developed a new cathode material based on a new storage principle, as a result of which energy storage densities can be increased beyond those of systems known so far.

Die-hard college sports fans defy expectations
When March Madness kicks off this week, you might expect the bleachers to be filled with alumni and students from the competing colleges.

EU a global leader in consumption of goods from illegally deforested land valued at EUR 6 billion
During 2000-12, an average of one football pitch of forest was illegally cleared every two minutes to supply the EU with beef, leather, palm oil and soy used for groceries, animal feed, leather shoes and biofuels, according to a new study released today.

Minimally invasive spinal fusion: Less pain, faster recovery, smaller scar
A minimally invasive spinal fusion back surgery results in less blood loss, less postoperative pain, smaller incisions, a shorter hospital stay and faster recovery and return to work.

Remote ischemic preconditioning fails to improve heart bypass outcomes
Patients who underwent a simple conditioning procedure involving the inflation and deflation of a blood pressure cuff on the upper arm before coronary artery bypass grafting, known as heart bypass surgery, had no better long-term health outcomes than bypass patients who did not receive the conditioning, according to research presented at the American College of Cardiology's 64th Annual Scientific Session in San Diego.

How Millennials get their news
Millennials are anything but 'newsless,' passive, or uninterested in civic issues, according to a new comprehensive study of the information habits of people age 18-34.

No reason to believe yeti legends to be inspired by an unknown type of bear
A Venezuelan evolutionary biologist and a US zoologist state that they have refuted, through mitochondrial DNA sequencing, a recent claim, also based on such sequencing, that an unknown type of bear exists in the Himalayas and that it may be, at least in part, the source of yeti legends.

A novel diagnostic method in Crohn's disease
Raja Atreya has developed a fluorescent antibody spray that enables physicians to detect the target molecules in an anti-TNF immunotherapy of Crohn's disease.

Genetic analysis of current smokers shows that high tobacco consumption lowers body weight
Published online in the International Journal of Epidemiology, a new study of 80,342 participants, including 15,220 current smokers, from the Copenhagen General Population Study has shown that smokers who consume a high amount of tobacco are more likely to weigh less.

Obese women 40 percent more likely to get cancer
Obese women have around a 40 percent greater risk of developing a weight-related cancer in their lifetime than women of a healthy weight.

Solar could meet California energy demand 3 to 5 times over
In the face of global climate change, increasing the use of renewable energy resources is one of the most urgent challenges facing the world.

For some kids, Easter egg hunts can lead to skin problems
Some children and adults are allergic to nickel and develop rashes when they come in contact with it.

NOAA announces novel feeder for juvenile and larval fish
NOAA Fisheries researchers have developed a fish feeder that allows fish farmers to automatically feed young fish on a recurrent basis while protecting the feed from oxidation and clumping.

Adrian Liu is named inaugural Origins Project Postdoctoral Prize Lectureship winner
The Origins Project at Arizona State University awarded its first Postdoctoral Prize Lectureship to Adrian Liu of the University of California, Berkeley.

As diagnosis codes change, data lost in translation -- in both directions
Changes in how medical diagnoses are coded under the latest international disease classification system -- known as the ICD-10 codes -- may complicate financial analysis, research projects and training programs that depend on look-back comparisons of health care data, report researchers at the University of Illinois at Chicago and the University of Arizona.

Milk protein comparison unveils nutritional gems for developing babies
Human babies appear to need more of a nutritional boost from breast-milk proteins than do infants of one of their closest primate relatives, suggests a study comparing human milk with the milk of rhesus macaque monkeys.

Will future population growth be limited by freshwater availability?
The global human population is growing faster than the water supply.

Trial of bivalirudin during angioplasty reports mixed results
Patients with acute coronary syndrome undergoing angioplasty who received the anticoagulant drug bivalirudin did not show significant improvements in either of two co-primary endpoints -- a composite of rate of death, heart attack or stroke at 30 days, or a composite of those events plus major bleeding -- as compared to patients receiving standard anticoagulation therapy, according to a study presented at the American College of Cardiology's 64th Annual Scientific Session.

The dangers of reintroducing lions and other carnivores for ecotourism
Ecotourism has motivated efforts to reintroduce lions to landscapes where they were not previously common.

Scientists move closer to '2 for 1 deal' on solar cell efficiency
The underlying mechanism behind an enigmatic process called 'singlet exciton fission,' which could enable the development of significantly more powerful solar cells, has been identified by scientists in a new study.

New targets for rabies prevention and treatment
Researchers have identified genes that may be involved in determining whether an individual is sensitive or resistant to rabies virus infection.

Study finds imaging tool to diagnose heart conditions is more accurate and safer
New heart imaging technology to diagnose coronary heart disease and other heart disorders is significantly more accurate, less expensive and safer than traditional methods, according to a new study.

Heart bypass surgery outperforms new generation stents
Despite the advent of a new generation of stents, patients with multiple narrowed arteries in the heart who received coronary artery bypass grafting fared better than those whose arteries were opened with balloon angioplasty and stents in a study presented at the American College of Cardiology's 64th Annual Scientific Session. 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