Brightsurf Science News & Current Events

February 09, 2015
Bionic leaf
Solar energy can be harnessed using electricity from photovoltaic cells to yield hydrogen that can be stored in fuel cells.

Griffith research unlocks more about cancer
Ground-breaking research from Griffith University on the Gold Coast has some scientists wondering if the entire study of cellular biology needs to be adjusted.

LSU Health New Orleans research finds psychedelic drug prevents asthma development in mice
Research led by Charles Nichols, Ph.D., Associate Professor of Pharmacology and Experimental Therapeutics at the LSU Health New Orleans School of Medicine, has found that a psychedelic drug, (R)-DOI, prevents the development of allergic asthma in a mouse model.

Behavioral therapy effective against pica in children with autism spectrum disorder
Intensive behavioral intervention can be effective at eliminating pica, which is the repeated ingestion of inedible substances, researchers from Marcus Autism Center report.

Loss of posidonia reduces CO2 storage areas and could contribute to gas emissions
The loss of underwater posidonia meadows poses two problems: these areas can no longer capture and store atmospheric CO2, and they can become a source of this gas by eroding and freeing the carbon stored in the meadow.

TLR9: Two rings to bind them?
University of Tokyo researchers have elucidated how Toll-like receptor 9 (TLR9) binds to pathogen DNA, activating the innate immune system.

Reduced rainfall in the northern tropics linked to industrial emissions, research suggests
Scientists have produced a rainfall record strongly suggesting that man-made industrial emissions have contributed to less rainfall in the northern tropics.

Many mastectomy patients with locally advanced breast cancer do not get postop radiation
Breast cancer patients who undergo a mastectomy should receive subsequent radiation treatment if their cancer has spread to four or more nearby lymph nodes, however, according to a new study, only 65 percent of these women are getting the recommended postmastectomy radiation therapy.

A ray of sunshine for bioenergy
A new study from researchers at the University of Minnesota examining the financial viability of solar-heated biomass gasification technologies that produce a natural gas substitute product concludes that combining these renewable resources can make economic sense.

Preemies may have psychiatric problems as adults
The study found that extremely low birth weight babies whose mothers received a full course of steroids prior to giving birth are at even greater risk for psychiatric disorders.

Computer model of blood development could speed up search for new leukaemia drugs
The first comprehensive computer model to simulate the development of blood cells could help in the development of new treatments for leukaemia and lymphoma, say researchers at the University of Cambridge and Microsoft Research.

Study finds Midwest flooding more frequent
The US Midwest and surrounding states have endured increasingly more frequent flood episodes over the past half-century, according to a study from the University of Iowa.

A new opportunity to treat drug-resistant leukemia discovered
An international joint effort between University of Helsinki and Pfizer researchers has led to the discovery of a new opportunity to treat drug-resistant leukemia with an approved renal cancer drug.

New screening tool could speed development of ovarian cancer drugs
Researchers have built a model system that uses multiple cell types from patients to rapidly test compounds that could block the early steps in the spread of ovarian cancer.

Satellite eyes New England winter storm breaking records
Another large snowstorm affecting New England was dropping more snow on the region and breaking records on Feb.

Simple blood test can predict risk of dementia
Scientists at Rigshopitalet, Herlev Hospital and the University of Copenhagen identify a new biomarker that can predict the risk of developing dementia by way of a simple blood test.

Infants with rare bone disease improve bone formation after cell transplantation
Researchers used bone marrow transplants (BMT) in combination with allogenic mesenchymal stem cell transplants (MSCTs) to treat hypophosphatasia (HPP) in two infants.

Climate change efforts backfire in Brazil's steel industry
New research shows that climate change mitigation efforts in Brazil's steel industry have failed.

Cleveland Clinic researcher receives up to $2.5 million to evaluate prosthetic limb technology
A research team led by Paul Marasco, Ph.D., of Cleveland Clinic's Lerner Research Institute, has won a $2.5 million contract from the Defense Advanced Research Projects Agency.

Beating high blood pressure with a combination of coconut oil and physical exercise
Researchers working at the Biotechnology Center at the Federal University of Paraiba in Brazil set out to test the hypothesis that a combination of daily coconut oil intake and exercise training would restore baroreflex sensitivity and reduce oxidative stress, resulting in reduction in blood pressure.

'Jekyll and Hyde'protein both prevents and spreads cancer
Scottish author Robert Louis Stevenson tapped into primal fears when he penned 'Dr.

NIH grant will help understanding how connections rewire after spinal cord injury
With a nearly $1.7 million grant from the National Institutes of Health, Shelly Sakiyama-Elbert, Ph.D., at Washington University in St.

HPV vaccination not associated with increase in sexually transmitted infections
A barrier to human papillomavirus (HPV) vaccination has been the concern that it may promote unsafe sexual activity, but a new study of adolescent girls finds that HPV vaccination was not associated with increases in sexually transmitted infections, according to an article published online by JAMA Internal Medicine.

Historic US and UK dietary advice on fats 'should not have been introduced'
National dietary advice on fat consumption issued to millions of US and UK citizens in 1977 and 1983, to cut coronary heart disease incidence, lacked any solid trial evidence to back it up, and 'should not have been introduced,' concludes research published in the online journal Open Heart.

Previously unknown genomic regions found in African American families with breast cancer
Study led by University at Buffalo has uncovered previously unknown segments of DNA shared by African American family members who have breast cancer.

A centimeter of time: Cool clocks pave the way to new measurements of the earth
In work published in Nature Photonics, Katori's group demonstrated two cryogenically cooled optical lattice clocks that can be synchronized to a tremendous one part in 2.0 x 10-18--meaning that they would only go out of synch by a second in 16 billion years.

Utah team gets $1.4M for bionic hand research
University of Utah researchers have received $1.4 million to further develop an implantable neural interface for thought-controlled prosthetic hands that convey feelings of touch and movement.

Lung screening guidelines improve on study findings
A set of guidelines developed to help standardized lung cancer screening would have generated considerably fewer false-positives than the National Lung Screening Trial produced, according to a new retrospective study.

Cancer's ability to 'hijack' regulatory mechanism increases metastasis
When skyscrapers go up, contractors rely on an infrastructure of steel beams and braces.

Researchers find new evidence of warming
A study of three remote lakes in Ecuador led by Queen's University researchers has revealed the vulnerability of tropical high mountain lakes to global climate change -- the first study of its kind to show this.

DARPA taps lab to help restore sense of touch to amputees
The Defense Advanced Research Projects Agency recently selected Lawrence Livermore National Laboratory to join a collaborative research team that intends to build the world's first neural system to enable naturalistic feeling and movements in prosthetic hands.

Mechanistic finding may help deal with side effects of lifespan-extending drug rapamycin
Rapamycin extends lifespan in mice up to 30 percent, making it of major interest to scientists studying aging.

What autism can teach us about brain cancer
Applying lessons learned from autism to brain cancer, researchers at The Johns Hopkins University have discovered why elevated levels of the protein NHE9 add to the lethality of the most common and aggressive form of brain cancer, glioblastoma.

Study identifies 8 signs associated with impending death in cancer patients
Researchers at The University of Texas MD Anderson Cancer Center have identified eight highly specific physical and cognitive signs associated with imminent death in cancer patients.

Study identifies clinical signs suggestive of impending death in patients with advanced cancer
While the diagnosis of an impending death is always sad, it can be important for patients, families, and clinicians as they make decisions related to hospital discharge, hospice referral, and treatments.

Energy drinks significantly increase hyperactivity in schoolchildren
Middle-school children who consume heavily sweetened energy drinks are 66 percent more likely to be at risk for hyperactivity and inattention symptoms, a new study led by the Yale School of Public Health has found.

Inherited gene variations tied to treatment-related hearing loss in cancer patients
St. Jude Children's Research Hospital investigators have discovered inherited genetic variations that are associated with rapid hearing loss in young cancer patients treated with the drug cisplatin.

Stress may partly explain worse heart attack recovery in young and middle-aged women
Stress is associated with worse recovery after heart attack among young and middle-age patients.

Electricity from biomass with carbon capture could make western US carbon-negative
Biomass conversion to electricity combined with technologies for capturing and storing carbon, which should become viable within 35 years, could result in a carbon-negative power grid in the western US by 2050.

HPV vaccination not linked to riskier sex
Receiving the HPV vaccine does not increase rates of sexually transmitted infections in adolescent females, suggesting that vaccinating girls is not likely to promote unsafe sexual activity.

Primary care-based program helps overweight, middle-aged women increase physical activity
Getting help from the family doctor may be a better way for overweight, middle-aged women to increase their physical activity, rather than trying to go it alone, according to a trial led by researchers at the University of Pittsburgh School of Medicine and funded by the National Institutes of Health.

Valentine's Day gift-giving strategy for the hopeless romantic
UC research suggests you buy a gift your sweetie wants, not one that proves how thoughtful you are.

Can pheromones get you a date? (video)
Is there such a thing as love at first smell?

UTSA engineers tapped to improve Marriott's energy efficiency
Marriott International, an industry leader in energy conservation efforts, is partnering with The University of Texas at San Antonio to help it reach its current environmental goal of reducing energy and water consumption (on an intensity basis) by 20 percent throughout its approximately 1,200 managed properties by 2020.

Bringing texture to your flat touchscreen
What if the touchscreen of your smartphone or tablet could touch you back?

Problem FDA inspection findings in trials seldom reflected in medical literature
When the US Food and Drug Administration identifies problems in its inspections of clinical sites where biomedical research is performed on human subjects, those findings seldom are reflected in peer-reviewed literature later written about the research, according to an article published online by JAMA Internal Medicine.

Keck Medicine of USC researchers trace origins of colorectal cancer tumor cells
For the first time, Keck Medicine of the University of Southern California cancer researchers have traced the origins of colorectal cancer cells, finding important clues to why tumor cells become 'good' or 'bad,' with the potential of stopping them before they start.

Buckyballs offer environmental benefits
Treated carbon-60 molecules have the ability to recover valuable metals from liquids, including water and potential pollutants.

News from Annals of Internal Medicine Feb. 10, 2015
Using Lung Imaging Reporting and Data System (Lung-RADS) criteria developed by the American College of Radiology to interpret low-dose CT lung screening results may reduce false positives compared to the National Lung Screening Trial, but the trade-off is reduced sensitivity, according to an article published in Annals of Internal Medicine.

Commons Lab releases 2 new reports on key aspects of Citizen Science
The Commons Lab at the Wilson Center is releasing two new reports today that address different challenges facing citizen science, one examining the policy implications of a range of successful citizen science projects in Europe and the other exploring potential legal issues surrounding intellectual property.

3-D printing with custom molecules creates low-cost mechanical sensor
Chemists teamed up with engineers who are using 3-D printers to create 3-D printed objects with new capabilities.

On quantum scales, there are many second laws of thermodynamics
New research from University College London and the Universities of Gdansk, Singapore, and Delft has uncovered additional second laws of thermodynamics which complement the ordinary second law of thermodynamics, one of the most fundamental laws of nature.

Nanotech discoveries move from lab to marketplace with Lintec deal
A recent agreement between The University of Texas at Dallas and Lintec of America is expected to propel scientific discoveries from the University's laboratories into the global marketplace and create jobs in North Texas.

Earth's surprise inside: Geologists unlock mysteries of the planet's inner core
Seismic waves are helping scientists to plumb the world's deepest mystery: the planet's inner core.

Coral snake venom reveals a unique route to lethality
For more than a decade, a vial of rare snake venom refused to give up its secret formula for lethality; its toxins had no effect on the proteins that most venoms target.

NIH awards IU team $3.3 million in fight against antibiotic resistance
The alarming increase of antibiotic-resistant bacteria poses health and economic threats worldwide, with more than 2 million Americans infected by the bacteria each year.

ASTRO applauds CMS's decision to cover annual, LDCT screening for high-risk lung cancer patients
The American Society for Radiation Oncology commends the Febr. 5, 2015, decision by the Centers for Medicare and Medicaid Services to provide coverage for annual lung cancer screening via low-dose CT screening for those at highest-risk for lung cancer.

Dark matter at the heart of our galaxy
The Universe is pervaded by a mysterious form of matter, dubbed dark matter, about five times more abundant than the ordinary matter -- made of atoms -- we are familiar with.

LGBT teens who come out at school have better self-esteem, study finds
Despite the risk of being bullied, coming out in high school is better for students' well-being in the long-run, according to a new study by University of Arizona researcher Stephen Russell.

Many would rather buy generic clothes than stand out with designer brands
A new study from the University of Missouri has found that people who are more sensitive to how others perceive them are actually more likely to avoid clothing with large logos, even if the clothing is from a prestigious brand.

Chronic narcotic use is high among kids with IBD
Chronic narcotic use is more than twice as prevalent in children with inflammatory bowel disease (IBD), compared with children without this disease, according to a new study published in Clinical Gastroenterology and Hepatology, the official journal of the American Gastroenterological Association.

Tobacco-smoking moms and dads increase diabetes risk for children in utero
Children exposed to tobacco smoke from their parents while in the womb are predisposed to developing diabetes as adults.

Blood vessel cells improve the conversion of pluripotent stem cells to blood lineages
A new study in the Journal of Clinical Investigation reveals that the presence of endothelial cells, which make up the lining of blood vessels, improves the ability of pluripotent stem cell-derived progenitors to repopulate blood cell lineages.

Is there harm in sexting?
A new book released this week by a researcher at the University of Colorado Denver examines the social conversations around sexting.

Can't sing? Do it more often
If you've ever been told that you're 'tone deaf' or 'can't carry a tune,' don't give up. New research out of Northwestern University suggests that singing accurately is not so much a talent as a learned skill that can decline over time if not used.  The ability to sing on key may have more in common with the kind of practice that goes into playing an instrument than people realize, said Northwestern's Steve Demorest.

Both liberals, conservatives can have science bias
New research suggests that liberals, as well as conservatives, can be biased against science that doesn't align with their political views.

Immune biomarkers help predict early death, complications in HIV patients with TB
Reporting in a new study published online this week in The Lancet Infectious Diseases, researchers under the Botswana-UPenn Partnership at the University of Pennsylvania have identified immune biomarkers in patients with HIV and TB before they begin ART that could help distinguish which patients go on to develop IRIS or die after treatment.

Nano-antioxidants prove their potential
Injectable nanoparticles that could protect an injured person from further damage due to oxidative stress have proven to be astoundingly effective in tests to study their mechanism.

New method to understand steel fracturing
Researchers from the Universidad Carlos III de Madrid (UC3M) have visualized step-by-step and on a microscopic level how certain steels fracture when extreme loads are applied to them.

2015 Avant-Garde Awards offer extraordinary ideas in HIV/AIDS research
With proposals ranging from innovative therapies to the development of unique organoid models of the brain, five scientists have been selected to receive the 2015 Avant-Garde Award for HIV/AIDS Research from the National Institute on Drug Abuse, part of the National Institutes of Health.

Controlling genes with light
Researchers at Duke University have demonstrated a new way to activate genes with light, allowing precisely controlled and targeted genetic studies and applications.

End of CRISPR-CAS9 controversy
The IBS research team at the Center for Genome Engineering has successfully confirmed that CRISPR-Cas9 has accurate on-target effects in human cells, through joint research with the Seoul National University College of Medicine and ToolGen, Inc.

Smoking impairs treatment response in inflammatory back arthritis
Smoking impairs the response to biological drugs used to treat inflammatory arthritis affecting the lower back, known as axial spondyloarthritis, or AxSpA, for short, reveals research published online in the Annals of the Rheumatic Diseases.

Grant supports total watershed restoration to reduce flooding, improve habitat
Scientists and watershed restoration professionals at Stroud Water Research Center will restore Sharitz Run, a Tributary to Doe Run in the headwaters of the Brandywine Creek near Coatesville and Unionville, Pennsylvania.

Molecular tag explains differences in brain's response to anger, fear
U.Va. researchers have identified the relationship between a biomarker and activity in parts of the brain responsible for processing emotional responses.

Friendly fungi -- how they could help barley growers feed the world without chemicals
Botanists from Trinity College Dublin have found two fungal species that prevent the spread of common seed infections that can decimate crops.

JIPM offers rice growers a new resource against the rice water weevil
Rice growers now have a new resource for controlling the rice water weevil, the most harmful insect pest of rice in the United States and many other parts of the world.

Study links new genetic anomalies to breast cancer in African-American families
Researcher Heather Ochs-Balcom says, 'Our family-based gene hunt is similar to the groundbreaking study among women with European ancestry done in the early 1990s that led to the discovery of BRCA1 and BRCA2 gene mutations, which greatly increase susceptibility to breast and ovarian cancer.'

Awkward positions, distractions and fatigue may trigger low back pain
New research reveals the physical and psychosocial factors that significantly increase the risk of low back pain onset.

How tumor-causing cells are recruited in cancers linked to chronic inflammation
Chronic inflammation is directly associated with several types of cancer, yet the reasons as to why this happens at a cellular level remain unclear.

NASA-JAXA's GPM satellite catches Fundi's fadeout
The final warning was issued on Tropical cyclone Fundi on Sunday, Feb.

Treadmill desks offer limited benefits, pose challenges in the workplace, study shows
Treadmill desks can help overweight or obese office workers get out of their chairs and get moving, but a 12-week study by an Oregon State University researcher found that the increase in physical activity was small and did not help workers meet public health guidelines for daily exercise.

'Stressed' young bees could be the cause of colony collapse
Researchers have tracked the activity of bees forced to begin foraging earlier in their lives due to stress on their colonies and found that they collect less pollen and die earlier, accelerating the decline and collapse of their hives.

Queen's University Belfast plays leading role in world's biggest solar telescope
Queen's University Belfast and Belfast business Andor Technology are playing a leading role in the construction of the world's biggest solar telescope.

National team to expand CWRU research restoring amputees' sense of touch
To speed development of a mobile system providing a sense of touch that amputees can use anywhere, Case Western Reserve University researchers and colleagues at the Louis Stokes Cleveland Veterans Affairs Medical Center have assembled a team including medical device-makers Medtronic and Ardiem Medical, Lawrence Livermore National Laboratory, the universities of Chicago and California at San Francisco, and the Providence VA's Ocean State Research Institute.

Feeling unloved? Like this post
A new study suggests that people who are generally insecure in their relationships are more actively engaged on the social media site -- frequently posting on walls, commenting, updating their status or 'liking' something -- in hopes of getting attention.

The Sun's activity in the 18th century was similar to that now
Counting sunspots over time helps in knowing the activity of our star but the two indices used by scientists disagree on dates prior to 1885.

NIH-funded research lays groundwork for next-generation prosthetics
Three groups of researchers who have received support from the National Institutes of Health will obtain funding from the President's BRAIN Initiative to improve artificial limb technology.

Swimming reptiles make their mark in the Early Triassic
Vertebrate tracks provide valuable information about animal behavior and environments.

Stellar partnership doomed to end in catastrophe
Astronomers using ESO facilities in combination with telescopes in the Canary Islands have identified two surprisingly massive stars at the heart of the planetary nebula Henize 2-428.

Does alcohol-related activity on Facebook promote drinking?
The more a Facebook user gets involved in alcohol-related pages or posts -- whether it's a like, share or comment -- the more likely that person is to consider drinking alcohol.

F-bombs notwithstanding, all languages skew toward happiness
Arabic movie subtitles, Korean tweets, Russian novels, Chinese websites, English lyrics, and even the war-torn pages of the New York Times -- Big Data research from the University of Vermont, examining billions of words, shows that these sources -- and all human language -- skews toward the use of happy words.

New design tool for metamaterials
Berkeley Lab researchers have shown that it is possible to predict the nonlinear optical properties of metamaterials using a recent theory for nonlinear light scattering when light passes through nanostructures.

Could there be a gleevec for brain cancer?
The drug Gleevec (imatinib mesylate) is well known not only for its effectiveness against chronic myeloid leukemia (CML) and acute lymphoblastic leukemia, but also for the story behinds its development.

Study finds no reason for cancer survivors to be excluded in advanced stage lung cancer trials
The common practice of excluding patients with a prior cancer diagnosis from lung cancer clinical trials may not be justified, according to a study by researchers from UT Southwestern Medical Center.

A pediatric diabetes gamechanger
UCSB and Yale University researchers receive a grant to develop an artificial pancreas for the management of Type 1 diabetes in children.

Scientists at Mainz University identify a new population of regulatory T-cells
Professor Tobias Bopp, Professor Edgar Schmitt, and Dr. Alexander Ulges of the Institute of Immunology at the University Medical Center of Johannes Gutenberg University Mainz have made major progress towards explaining the underlying mechanisms by identifying a previously unknown sub-population of regulatory T cells.

Using big data to detect disease outbreaks: Is it ethical?
Personal information taken from social media, blogs, page views and so on are used to detect disease outbreaks, however, does this violate our privacy, consent and trust?

Do clothes make the doctor? Researchers report on patient perceptions based on attire
What should doctors wear? And how does something as simple as their choice of a suit, scrubs or slacks influence how patients view them?

Brain develops abnormally over lifespan of people who stutter
The largest-ever MRI imaging study of stuttering is the first to examine brain changes across the lifespan, says UAlberta researcher and ISTAR executive director.

Pick a card, any card
Magicians have astonished audiences for centuries by subtly, yet powerfully, influencing their decisions.

Breakthrough may lead to industrial production of graphene devices
Progress in producing graphene on an industrial scale without compromising its properties has proved elusive.

Akt Pathway 'ramp ups' effects of transplanted umbilical cord cells used in stroke therapy
Researchers found that transplanted human umbilical cord blood cells (HUCBCs) are beneficial in preventing neuron loss when the Akt signaling pathway is activated by HUCBC secretions, and the subsequent Akt activation impacts a specific gene involved in reducing inflammation.

NSU researchers discover DNA repair is high in heart, nonexistent in brain
Nova Southeastern University researchers recently discovered that, contrary to prior belief, tissues of different mammalian organs have very different abilities to repair damage to their DNA.

Guidance to report on land use, land-use change and forestry emissions
A recent JRC report finds that EU Member States will face some challenges in meeting the new reporting and accounting requirements for greenhouse gas emissions and removals from the land use, land-use change and forestry sector, both under the Kyoto Protocol and under recent EU legislation.

Understanding the copper heart of volcanoes
Researchers at the University of Bristol have discovered the link between volcanism and the formation of copper ore.

UCSF-led study shows why some targeted cancer drugs lose effectiveness
A protein called YAP, which drives the growth of organs during development and regulates their size in adulthood, plays a key role in the emergence of resistance to targeted cancer therapies, according to a new study led by UC San Francisco researchers.

Sunlight and vitamin D levels higher for coastal populations
Exposure to sunlight is a crucial factor in vitamin D production and the research has also found that English coasts tend to see a greater amount of sunlight across the year when compared with inland areas.

NASA-NOAA's Suomi NPP gets an infrared look at Typhoon Higos
Typhoon Higos was on a strengthening trend when NASA-NOAA's Suomi NPP satellite passed overhead and captured infrared data on the storm, showing powerful thunderstorms circling its center.

Amber fossil links earliest grasses, dinosaurs and fungus used to produce LSD
A perfectly preserved amber fossil from Myanmar has been found that provides evidence of the earliest grass specimen ever discovered -- about 100 million years old -- and even then it was topped by a fungus similar to ergot, a hallucinogen which for eons has been intertwined with animals and humans.

Molecular gastronomy: Better cooking through biophysics
During the Biophysical Society's 59th Annual Meeting in Baltimore, Md., Christophe Lavelle, an expert in biophysics, epigenetics and food science who works for the National Museum of Natural History in Paris, France, will describe his research dedicated to gaining a deeper understanding of genome compaction within the cells in our bodies and the way it influences gene expression.

Floods created home of Europe's biggest waterfall, study shows
A massive canyon that is home to Europe's most powerful waterfall was created in a matter of days by extreme flooding, new research reveals.

CWRU awarded $3.9 million for innovative HIV research
A researcher at Case Western Reserve University School of Medicine has been awarded $3.9 million to determine if gut leakage caused by human immunodeficiency virus leads to disease and malfunction of vital organs commonly found in HIV patients, whether drug abuse exacerbates the problem, how to fix the leaks and whether gut repair improves overall health.

Shorter medical resident duty hours: Worse for patients, slightly better for residents
Shorter duty hours for medical residents, although marginally better for residents themselves, may result in worse patient care, according to a randomized trial assessing resident duty hour schedules in the intensive care unit, which is published in Canadian Medical Association Journal.

Research shows benefits of silicon carbide for sensors in harsh environments
The use of silicon carbide as a semiconductor for mechanical and electrical sensor devices is showing promise for improved operations and safety in harsh working environments, according to new research from Griffith University.

Novel 'smart' insulin automatically adjusts blood sugar in diabetic mouse model
Scientists have created a novel, long-lasting 'smart' insulin that self-activates when blood sugar soars.

Women with a pregnancy history of spontaneous preterm delivery at higher risk of CVD
A history of spontaneous preterm delivery appears to double a woman's risk of heart disease, stroke and other cardiovascular diseases, according to results of a study published today in the European Journal of Preventive Cardiology.

Scientists devise breakthrough technique for mapping temperature in tiny devices
Overheating is a major problem for the microprocessors that run our smartphones and computers.

Earliest evidence of large-scale human-produced air pollution in South America found
Researchers have uncovered the earliest evidence of widespread, human-produced air pollution in South America -- from the Spanish conquest of the Inca.

World thunderstorm 'map' key to assessing climate change
New research from Tel Aviv University will likely be crucial to measuring the impact of climate change on thunderstorms -- one of the weather occurrences most problematic for human life on the planet.

Naval leaders: Uncertainty will drive innovation for the future force
At the Naval Future Force Science and Technology EXPO in Washington D.C., Department of Navy leaders on Feb.

Serotonin-deficient brains more vulnerable to social stress
Mice deficient in serotonin -- a crucial brain chemical implicated in clinical depression -- are more vulnerable than their normal littermates to social stressors, according to a Duke study in PNAS.

Award-winning research on cell metabolism
A better understanding of the way metabolism works may in the long run mean make it easier to find new medicines for diseases such as diabetes. 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