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Science Current Events and Science News | Brightsurf | March 07, 2017


NIDA dissertation grant awarded to examine mechanisms linking HIV syndemic factors
Raymond Moody -- a fourth-year doctoral student in Health Psychology and Clinical Science training program at the CUNY Graduate Center and a graduate student researcher at Hunter College's Center for HIV/AIDS Educational Studies and Training has been awarded a two year grant totaling $155,972 from the National Institute on Drug Abuse to support his dissertation research.
New study reveals the association between type 2 diabetes and the risk of death from cancer in East and South Asians
A new study published in Diabetologia (the journal of the European Association for the Study of Diabetes [EASD]) reveals that type 2 diabetes (T2D) is associated with a 26 percent increase in the risk of death from cancer in Asians, as well as increases in the risk of death from site-specific cancers that can be even greater.
Climate study: More intense and frequent severe rainstorms likely; no drop off expected
A University of Connecticut climate scientist confirms that more intense and more frequent severe rainstorms will likely continue as temperatures rise due to global warming, despite some observations that seem to suggest otherwise.
Incidence of dementia in primary care increased in the Netherlands over 23 years
The incidence of registered dementia cases has increased slightly over a 23-year period (1992 to 2014) in the Netherlands, according to a study published by Emma van Bussel and colleagues from the Academic Medical Center Amsterdam, The Netherlands, in PLOS Medicine's Special Issue on Dementia.
Sussex scientists pinpoint sensory links between autism and synesthesia
Concrete links between the symptoms of autism and synesthesia have been discovered and clarified for the first time, according to new research by psychologists at the University of Sussex.
Urine-based biomarkers for early cancer screening test
A new study, affiliated with South Korea's Ulsan National Institute of Science and Technology, has introduced a new technique that validates urine-based biomarkers for early detection of cancer.
Photos show promise as dietary assessment tool, but more training needed
Research at Oregon State University suggests that photographs of your food are good for a lot more than just entertaining your friends on social media -- those pictures might help improve your health and also national nutrition policy.
Computer linguists are developing an intelligent system aid for air traffic controllers
Human lives depend on their decisions, and psychological stress levels are high.
Evidence lacking to support 'lead diet'
Writing in the Journal of Pediatrics, UB researcher says public health experts need to be more up front with parents in explaining that CDC dietary recommendations may not help children who have been exposed to lead.
Synchrotron sheds (X-ray) light on carbon chemistry at ocean surfaces
Carbonate, bicarbonate, and carbonic acid emerge when atmospheric carbon dioxide dissolves in the oceans, which is the largest sink for this greenhouse gas.
SLU researchers study a new way to lower LDL cholesterol
Saint Louis University researchers examined a nuclear receptor called REV-ERB and their findings suggest that drugs targeting this receptor may be able to lower LDL cholesterol in an animal model.
Major pledge will boost brain research into causes of autism
The Simons Foundation has pledged £20 million for pioneering studies at the University of Edinburgh into the biological mechanisms that underpin changes in brain development associated with autism.
New hope for treating heart failure
Heart failure patients who are getting by on existing drug therapies can look forward to a far more effective medicine in the next five years or so, thanks to University of Alberta researchers.
Being overweight in early pregnancy associated with increased rate of cerebral palsy
Among Swedish women, being overweight or obese early in pregnancy was associated with increased rates of cerebral palsy in children, according to a study appearing in the March 7 issue of JAMA.
New design results in compact, highly efficient frequency comb
Northwestern University researchers have designed a quantum cascade laser (QCL) frequency comb that is dramatically more efficient than previous iterations.
Lack of fruits and vegetables increases global heart disease burden
The researchers conclude that population-based interventions to increase the consumption of fruits and vegetables could lead to millions more years of healthy life worldwide.
First underwater video footage of the True's beaked whale
The True's beaked whale is a deep-diving mammal so rarely seen that it often defies recognition at sea by researchers.
Brain scans of service-dog trainees help sort weaker recruits from the pack
The study found that fMRI boosted the ability to identify dogs that would ultimately fail service-dog training to 67 percent, up from about 47 percent without the use of fMRI.
Giving up cigarettes linked with recovery from illicit substance use disorders
Smokers in recovery from illicit drug use disorders are at greater risk of relapsing three years later compared with those who do not smoke cigarettes.
First public data released by hyper suprime-cam Subaru Strategic Program
First massive data set of a 'cosmic census' has been released using the largest digital camera on the Subaru Telescope.
Antidepressants and anti-anxiety drugs linked to increased risk of hip fracture
In a recent study, older individuals who had fallen and broken a hip used antidepressant and anti-anxiety medications more frequently than the general older population.
Dietary factors associated with substantial proportion of deaths from heart disease, stroke, and disease
Nearly half of all deaths due to heart disease, stroke, and type 2 diabetes in the US in 2012 were associated with suboptimal consumption of certain dietary factors, according to a study appearing in the March 7 issue of JAMA.
Towards mastering terahertz waves?
Terahertz waves allow for the detection of materials that are undetectable at other frequencies.
Pain relief molecule featuring first artificial cellular communications receptor
Scientists from Manchester and Bristol have successfully created a synthetic cellular communications system -- which has successfully recognized signals involved in pain relief.
Legacy of brilliant young scientist is a major leap in quantum computing
Researchers from the University of Bristol and Université Libre de Bruxelles have theoretically shown how to write programs for random circuitry in quantum computers.
Fewer overweight adults report trying to lose weight
Although weight gain has continued among US adults, fewer report trying to lose weight, according to a study appearing in the March 7 issue of JAMA.
Nanozymes -- efficient antidote against pesticides
Members of the Faculty of Chemistry of the Lomonosov Moscow State University have developed novel nanosized agents -- nanozymes, which could be used as efficient protective and antidote modalities against the impact of neurotoxic organophosphorous compounds: pesticides and chemical warfare agents.
Hexagonal boron nitride enables the fabrication of 2-dimensional electronic memories
The research group lead by Professor Mario Lanza (Soochow University, China) reports the synthesis of resistive random access memories made of graphene electrodes and multilayer hexagonal boron nitride as dielectric.
A new tool for genetically engineering the oldest branch of life
A new study by has documented the use of CRISPR-Cas9 mediated genome editing in the third domain of life, Archaea, for the first time.
Chicago waterways -- still flowing after over 100 years
Asian carp, currently confined to the Mississippi River system, are threatening to invade Lake Michigan and the Great Lakes through the Chicago Sanitary and Ship Canal.
Common cold can be surprisingly dangerous for transplant patients
Study shows typically 'mild' respiratory virus can turn into deadly pneumonia in this vulnerable population, points to need for effective meds, better prevention.
Virginia Tech team examines molecular-level problems of heart disease
In a recent study, Virginia Tech researchers teamed up with cardiologists and heart therapy scientists from across the US and Europe and found that dysfunction at the molecular level is present in heart failure.
Plants at the pump
Regular, unleaded or algae? That's a choice drivers could make at the pump one day.
Where did the Scythians come from?
Lomonosov Moscow State University anthropologists have put forward an assumption that the Scythian gene pool was formed on the basis of local tribes with some participation of populations, migrated to the northern Black Sea region from Central Asia.
High number of deaths from heart disease, stroke and diabetes linked to diet
Nearly half of all deaths in the United States in 2012 that were caused by cardiometabolic diseases, including heart disease, stroke and type 2 diabetes, have been linked to substandard eating habits, according to a study published in the March 7 issue of JAMA and funded by the National Heart, Lung, and Blood Institute (NHLBI), part of the National Institutes of Health.
Specialized beetles shed light on predator-prey associations in the Cretaceous
A research team led by researchers from the Nanjing Institute of Geology and Palaeontology, Chinese Academy of Sciences (NIGPAS) found a new morphologically specialized beetle from the mid-Cretaceous Burmese amber, shedding new light on the predator-prey associations in the late Mesozoic terrestrial ecosystem.
PTSD risk can be predicted by hormone levels prior to deployment, study says
New neuroscience research from The University of Texas at Austin suggests some soldiers might have a hormonal predisposition to experience such stress-related disorders.
Vaginal progesterone may reduce newborn complications in some pregnancies
Treatment with vaginal progesterone may help reduce certain risks that can occur when mothers are pregnant with twins and have a short cervix, which is a risk factor for preterm birth.
New drug combination targets aggressive blood cancer
A pair of drugs that may be a one-two punch needed to help combat acute myeloid leukemia, an aggressive blood cancer that kills nearly three-fourths of patients within five years of diagnosis, is the focus of a new multi-center clinical trial that will enroll patients at three sites across the US.
Multilab replication project examines cooperation under time pressure
In 2012, a trio of psychological scientists reported research showing that people who made quick decisions under time pressure were more likely to cooperate than were people who were required to take longer in their deliberations.
Innocent African-Americans more likely to be wrongfully convicted
African-American prisoners who were convicted of murder are about 50 percent more likely to be innocent than other convicted murderers and spend longer in prison before exoneration, according to a report released today that's co-edited by a Michigan State University College of Law professor.
RIT professor becomes first US scientist to serve as visiting scholar for EACH program
Rochester Institute of Technology became an associate partner with the Excellence in Analytical CHemistry (EACH) program.
Snake bit? UCI chemists figure out how to easily and cheaply halt venom's spread
Chemists at the University of California, Irvine have developed a way to neutralize deadly snake venom more cheaply and effectively than with traditional anti-venom -- an innovation that could spare millions of people the loss of life or limbs each year.
Penn researchers push the limits of organic synthesis
Penn researchers achieved a new understanding of dendritic molecules which could play a role in drug and gene delivery and antimicrobial resistance.
ASHG opposes new executive order restricting travel to the US
The American Society of Human Genetics (ASHG) opposes and urges the White House to rescind its recent Executive Order 'Protecting the Nation from Foreign Terrorist Entry into the United States,' issued March 6.
US desert songbirds at risk in a warming climate
Rising temperatures and heatwaves are putting songbirds at greater risk for death by dehydration and mass die-offs.
Young people do not associate e-cigarettes with increased likelihood of smoking
New peer-reviewed research published today in Drugs Education Prevention and Policy shows that e-cigarettes are not increasing the likelihood of tobacco consumption and may in fact be contributing to negative perceptions about smoking among young people.
Lifestyle choices condition colon and rectal cancer risk more than genetics
Researchers from IDIBELL have issued the first predictive risk model of colon and rectal cancer based on Spanish data that combines genetic and lifestyle information.
NASA sees powerful Tropical Cyclone Enawo make landfall in Madagascar
Tropical Cyclone Enawo was battering the northeastern region of Madagascar when NASA-NOAA's Suomi NPP satellite passed overhead on March 7.
Principles of 3-D genome folding and gene expression studied across species
With new techniques, scientists are beginning to understand the principles of 3-D genome folding.
Artificial intelligence in quantum systems, too
The UPV/EHU's Department of Physical Chemistry has conducted world-class research in physics and quantum computation.
Reducing conducting thin film surface roughness for electronics
As transistor dimensions within integrated circuits continue to shrink, smooth metallic lines are required to interconnect these devices.
New study finds price discounts may backfire when combined with large donations
Providing consumers the opportunity to feel altruistic by donating a portion of the purchase price to a charity is an effective way for businesses to drive sales, as is providing items and services at discounted prices.
New frog from the Peruvian Andes is the first amphibian named after Sir David Attenborough
While there are already a number of species named after famous British broadcaster and naturalist Sir David Attenborough, including mammals, reptiles, invertebrates and plants, both extinct and extant, not until now has the host of the BBC Natural History's Life series been honored with an amphibian.
A new way to reset gene expression in cancer cells shows promise for leukemia treatment
Scientists have discovered a potential new target for the treatment of leukemia that potentially could augment the activity of BET inhibitors, drugs currently in clinical trials.
Identification of genes controlling mouthpart development key to insect diversity
Nagoya University-led international research revealed roles for genes responsible for insect limb formation in the development of stag beetle mouthparts.
One step at a time
An award from the National Science Foundation's Cyber-Physical Systems program will enable researchers at the University of Pittsburgh to develop an ultrasound sensor system at the heart of a hybrid exoskeleton that utilizes both electrical nerve stimulation and external motors.
Wise deliberation sustains cooperation
Giving people time to think about cooperating on a task can have a positive effect if they are big-picture thinkers, but if they tend to focus on their own, immediate experience, the time to think may make them less cooperative, University of Waterloo research has found.
Can combined exercise and nutritional intervention improve muscle mass and function?
The new systematic review summarizes the results of randomized controlled trials (RCTs) assessing the effect of interventions combining physical activity and dietary supplements on muscle mass and muscle function in subjects aged 60 years and older.
UCLA scientists show how to amplify or stifle signals for immune responses
UCLA immunologists pioneered an approach to observe in real time what excites T cells at the nanoscale, pinpointed the pathway that controls immune response and identified drugs that could equip scientists with the ability to manipulate the immune system and prevent disease.
UCI team identifies key mutation that suppresses the immune system in melanoma
University of California, Irvine researchers have identified a specific mutation that allows melanoma tumor cells to remain undetected by the immune system.
Crowdfunding innovation: It's backers -- not money raised -- that predicts market success
Research finds that the number of backers a new product attracts during crowdfunding predicts the financial success of the product when it reaches the marketplace -- but the amount of money raised during crowdfunding does not.
Fruit flies halt reproduction during infection
A protective mechanism that allows fruit flies to lay fewer eggs in response to bacterial infection is explained in a study published in the journal eLife.
Researchers from Aarhus solve the mystery of the acid pump
Researchers at Aarhus University in Denmark have succeeded in identifying the mechanisms involved in what is known as the acid pump, which at the cellular level pumps acid into the stomach -- in some cases leading to gastric ulcers and gastroesophageal reflux disease.
Vision, not limbs, led fish onto land 385 million years ago
A Northwestern University and W.M. Keck Science Department of Pitzer, Claremont McKenna and Scripps colleges study suggests it was the power of the eyes and not the limbs that first led our aquatic ancestors to make the leap from water to land.
Targeted Anticancer Therapies (TAT) Congress becomes an annual ESMO event
ESMO announced it will take over the organisation of the Targeted Anticancer Therapies (TAT) Congress series, with the aim of expanding its educational offer and ensure that professionals are kept up to date with the latest drug developments to improve outcomes for cancer patients.
How exercise -- interval training in particular -- helps your mitochondria stave off old age
Researchers have long suspected that the benefits of exercise extend down to the cellular level, but know relatively little about which exercises help cells rebuild key organelles that deteriorate with aging.
Research shows infertility tied to relationship disruption in Ghana
New research shows Ghanaian women who have problems conceiving are more likely to experience relationship breakdown.
Computer simulations first step toward designing more efficient amine chemical scrubbers
A proof-of-concept molecular modeling study from North Carolina State University that analyzes the efficiency of amine solutions in capturing carbon dioxide is the first step toward the design of cheaper, more efficient amine chemicals for capturing carbon dioxide -- and reducing harmful CO2 emissions -- in industrial installations.
Diabetes drug may be effective against deadly form of breast cancer, study suggests
Researchers in China have discovered that a metabolic enzyme called AKR1B1 drives an aggressive type of breast cancer.
Resveratrol preserves neuromuscular synapses, muscle fibers in aging mice
red wine, and metformin, a drug often prescribed to fight type 2 diabetes, have many of the neuroprotective benefits of a low-calorie diet and exercise.
Lung cancer may go undetected in kidney cancer patients
Could lung cancer be hiding in kidney cancer patients? Researchers with the Harold C.
Cyberbullying rarely occurs in isolation, research finds
Cyberbullying is mostly an extension of playground bullying -- and doesn't create large numbers of new victims -- according to research from the University of Warwick.
A light rain can spread soil bacteria far and wide, study finds
A good rain can have a cleansing effect on the land.
Fault system off San Diego, Orange, Los Angeles counties could produce magnitude 7.3 quake
The Newport-Inglewood and Rose Canyon faults had been considered separate systems but a new study shows that they are actually one continuous fault system running from San Diego Bay to Seal Beach in Orange County, then on land through the Los Angeles basin.
Copper mining with bioactive substances derived from bacteria
Chile is one of the most important suppliers of copper to German industry.
Researchers develop equation that helps to explain plant growth
New UCLA biology breakthrough has important implications for plants as they adapt to a warming environment.
Controlling energy production by calcium is an organ-specific affair
Researchers at Thomas Jefferson University have shown that the composition of the mitochondrial calcium portal (the protein that regulates when and how much calcium enters) is different depending on the organ in the body, and this difference allows mitochondria to tune their energy output by decoding a pattern of amplitude and/or frequency of calcium oscillations inside a cell.
Sulforaphane, a phytochemical in broccoli sprouts, ameliorates obesity
Sulforaphane, a phytochemical in broccoli sprouts, is known to exert effects of cancer prevention by detoxicating chemical compounds taken into the body and by enhancing anti-oxidation ability.
Internists say the AHCA will negatively impact patients & reverse coverage
The American Health Care Act (AHCA) will have a tremendously negative impact on access, quality and cost of care for patients seen by internal medicine physicians, as compared to current law under the Affordable Care Act (ACA), said the American College of Physicians (ACP) in a letter sent today to congressional leadership.
Novel dimensional approach uncovers biomarker for inattention
A new approach that provides evidence of a relationship between brain structure and dimensional measures of ADHD symptoms has identified a potential biomarker for inattention.
MRI-powered mini-robots could offer targeted treatment
Invasive surgical techniques allow physicians to effectively treat disease but can lead to sometimes serious complications and dramatically slow healing for the patient.
Group tolerance linked to perceptions of fairness and harm
A new study of groups in tension or conflict found evidence that people are willing to share a society with those of differing beliefs as long as they believe that those groups share a commitment to universal moral values such as fairness and harm.
Ovarian cancer researchers find biomarker linked to prognosis in aggressive disease type
Ovarian cancer researchers have identified a protein biomarker expressed on the surface of tumour cells in high-grade serous ovarian cancer, the most common and lethal subtype of the disease.
New research shows split on how people consider transgender rights issues
Study on transgender rights issues found significant support for protection of general civil rights for transgender people, but public opinion is more divided on policies that relate to the body and gender roles.
Understanding what's happening inside liquid droplets
For most people, the drip, drip, drip of a leaking faucet would be an annoyance.
Evidence insufficient regarding screening for gynecologic conditions with pelvic examination
The US Preventive Services Task Force (USPSTF) has concluded that the current evidence is insufficient to assess the balance of benefits and harms of performing screening pelvic examinations in asymptomatic, nonpregnant adult women for the early detection and treatment of a range of gynecologic conditions.
Survival instinct, not family bonds, weave massive spider colonies together
Spiders will live in groups if environmental conditions make it too difficult for single mothers to go it alone, new research shows.
Going glassy: Revealing structure and dynamics of glassy polymers during transition
An international collaboration of computational physicists and chemists have shed new light on how the polymer structure bears on the glass-transition temperature in the forming of glass in atactic polystyrene (PS), a commonly used glass substance.
Newly discovered DNA enhancers help switch on colorectal cancer
Genetic mutations can increase a person's cancer risk, but other gene 'enhancer' elements may also be responsible for disease progression, according to new research out of Case Western Reserve University School of Medicine.
Crocodiles and dolphins evolved similar skulls to catch the same prey: Study finds
A new study involving biologists from Monash University Australia has found that despite their very different ancestors, dolphins and crocodiles evolved similarly shaped skulls to feed on similar prey.
Portuguese moth's mystery solved after 22 years
An unknown moth, collected from Portugal 22 years ago, has finally been named and placed in the tree of life.
Why did rainfall over Asian inland plateau region undergo abrupt decrease around 1999?
The Asian inland plateau (AIP) is located in the East Asian monsoon marginal areas and mainly includes Mongolia and part of northern China.
Argonne invents reusable sponge that soaks up oil
Scientists at Argonne have invented a new foam, called Oleo Sponge, that not only easily adsorbs spilled oil from water, but is also reusable and can pull dispersed oil from the entire water column -- not just the surface.
'Traveling' droughts bring new possibilities for prediction
Droughts can travel hundreds to thousands of kilometers from where they started, like a slow-moving hurricane.
Magnetic fields at the crossroads
Almost all information that exists in contemporary society is recorded in magnetic media, like hard drive disks.
RIT helps advance space camera being tested on ISS
Imaging technology advanced by researchers at Rochester Institute of Technology and Florida Institute of Technology is being tested on the International Space Station and could someday be used on future space telescopes.
Male infertility research reveals how a new life begins
Research into a genetic mutation causing some men to be infertile shows that an important protein in the sperm that is a key component of the egg fertilization process, known as phospholipase C zeta (PLC-zeta), is ineffective in these individuals.
Rangers fight loss of wildlife with fire
Native animals are declining on Australia's second largest island with brush-tailed rabbit-rats, black-footed tree-rats and northern brown bandicoots the worst hit.
Brain architecture alters to compensate for depression
A study led by Ravi Bansal, Ph.D., and Bradley S.
Researchers map clonorchiasis risk across China
Clonorchiasis, a neglected tropical disease usually acquired by eating undercooked freshwater fish, affects an estimated 15 million people around the globe.
Earth is bombarded at random
Asteroids don't hit our planet at regular intervals, as was previously thought.
Study supports increased funding for long-term ecological research
Funding for long-term ecological and environmental studies has been on a downward trend for more than a decade, yet such studies are of critical importance for advancing the science of ecology and for informing policy decisions about natural resources and environmental issues.
Root canal treatments overhauled through new device to detect untreated bacteria
A new method of detecting bacteria during root canal treatments could eradicate the need for follow up appointments and prevent treatments from failing, according to a study published today in the Journal of Dental Research.
Detailed chemical structure of P22 virus resolved
A team of scientists from Baylor College of Medicine and other institutions has completed a model of unprecedented near-atomic resolution of the chemical structure of bacteriophage P22.
When less is essential to keep the brain going
Scientists have found that supply of the enzyme Rab4 could make a significant difference in the formation and organization of synapses.
Self-persuasion app motivates low-income moms to protect teens against cancer-causing HPV
Self-persuasion software on an iPad motivated low-income parents to want to protect their teens against cancer-causing human papillomavirus, finds the first study of its kind.
Study: Manufacturing method may help keep work in high-cost areas
The study, published online in the Journal of Operations Management, describes seru as a cellular assembly approach.
Research finds link between unemployed women trading sex for security and high HIV rates
Dr. Kelly Austin finds that unemployment among young women significantly impacts the proportion of female HIV cases among those aged 15-24 in developing -- especially Sub-Saharan African countries.
Longer hospital stays might reduce readmissions from post-acute care facilities
Researchers suggest that hospital strategies ensuring older adults are healthy enough for discharge could help prevent early hospital readmissions from post-acute care facilities.
Future climate change will affect plants and soil differently
A new European study has found that soil carbon loss is more sensitive to climate change compared to carbon taken up by plants.
Study tests the 'three-hit' theory of autism
Could a genetic predisposition to autism together with early stress have a more detrimental effect on boys than on girls?
Perceived weight discrimination linked to physical inactivity
People who feel that they have been discriminated against because of their weight are much less likely to be physically active than people who don't perceive that they have suffered any such stigmatization, according to new research led by UCL.
Eating in social settings may be greatest temptation for dieters
For people trying to lose or maintain weight, the temptation to overeat is stronger when eating in a social setting.
Component of marijuana may help treat anxiety and substance abuse disorders
Cannabidiol, a major component of cannabis or marijuana, appears to have effects on emotion and emotional memory, which could be helpful for treating anxiety-related and substance abuse disorders.
Penn study parses influence of genes and environment in metabolic disease
By comparing two strains of mice -- one that becomes obese and diabetic on a high-fat diet and another resistant to a high-fat regimen -- researchers identified genome-wide changes caused by a high-fat diet.
Are mind-body therapies effective in autism?
Researchers have shown that mindfulness therapy had significant positive effects on depression, anxiety, and rumination in adults with autism spectrum disorder (ASD), and Nei Yang Gong therapy had a significant positive effect on self-control in children with ASD.
Bumblebees' smelly feet help determine where to find lunch
Scientists from the University of Bristol have discovered that bumblebees have the ability to use 'smelly footprints' to make the distinction between their own scent, the scent of a relative and the scent of a stranger.
New protein discovered in aging and cancer
A protein has been found to have a previously unknown role in the ageing of cells, according to an early study by Queen Mary University of London.
Moscow State University scientists reveal the secret of naked mole-rat longevity
The work provides strong arguments in support of new break-through hypothesis explaining the phenomenon of exceptional longevity of naked mole-rat (Heterocephalus glaber, an African rodent).
Caffeine boosts enzyme that could protect against dementia, finds IU study
A study by Indiana University researchers has identified 24 compounds -- including caffeine -- with the potential to boost an enzyme in the brain shown to protect against dementia.
Economic models behind EU-Canada free trade agreement questioned
The EU-Canada Comprehensive Economic and Trade Agreement (CETA), recently approved by the European Parliament, will ultimately result in unemployment, inequality and loss of economic efficiency, according to a paper published in the International Journal of Political Economy.
A backup copy in the central brain: How fruit flies form orientation memory
Insects have a spatial orientation memory that helps them remember the location of their destination if they are briefly deflected from their route.
New study shows Americans are having sex less often
While the topic of sex is less taboo than it was a generation ago, that doesn't necessarily mean people are having more of it.
Blueberry concentrate improves brain function in older people
Drinking concentrated blueberry juice improves brain function in older people, according to research by the University of Exeter.
Species appears to evolve quickly enough to endure city temperatures
Urban acorn ants collected in Cleveland appear to have taken no more than 100 years -- no more than 20 generations -- to evolve and thrive in their heat-trapping city home.
ORNL study examines tungsten in extreme environments to improve fusion materials
'We're trying to determine the fundamental behavior of plasma-facing materials with the goal of better understanding degradation mechanisms so we can engineer robust, new materials,' said materials scientist Chad Parish of Oak Ridge National Laboratory.
'Black swan' events strike animal populations
A new analysis by the University of Washington and Simon Fraser University is the first to document that 'black swan' events also occur in animal populations and usually manifest as massive, unexpected die-offs.

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