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Science News | Science Current Events | Brightsurf | March 28, 2017


Dunedin children's exposure to lead linked to lower IQ
Lead exposure in 11-year-old children in Dunedin, New Zealand in the 1970s and '80s has affected their IQ and occupational standing as adults, according to the latest research from the long-running Dunedin Study.
UQ opens new era in cancer research and drug development
New cancer-fighting drugs could emerge from The University of Queensland in coming years, thanks to a state-of-the-art imaging facility opened today.
Evaluation between maternal mental health and discharge readiness
New research indicates that mothers with a history of mental health disorders feel less ready for discharge from the NICU than with mothers without a mental health history.
Mayo Clinic researchers identify interaction among proteins that cause cancer cells to metastasize
Researchers at Mayo Clinic have identified an interaction among proteins that allows cancer cells to grow and metastasize.
5,000 and counting: Penn Medicine celebrates reconstruction milestone
Doctors in Penn Medicine's Division of Plastic Surgery recently performed their 5,000th free flap reconstructive surgery.
Abuse accelerates puberty in children
While it has long been known that maltreatment can affect a child's psychological development, new Penn State research indicates that the stress of abuse can impact the physical growth and maturation of adolescents as well.
Cornering endangered species
Geographic areas occupied by certain species shrink as they decline in abundance, leaving them more vulnerable to extinction by harvest.
Study finds that elevating women's status lowers dependence on solid fuels
A new research paper finds that in countries where gender inequalities are most pronounced, women are much more likely to be exposed to solid fuel -- including burning from wood, crop wastes, charcoal, and dung -- and its negative consequences.
Physics can predict wealth inequality
The 2016 election year highlighted the growing problem of wealth inequality and finding ways to help the people who are falling behind.
About time! Predicting midge seasonality key to reducing livestock diseases
Ecologists at the UK-based Centre for Ecology & Hydrology (CEH) have led a study which informs optimal strategies for control of devastating midge-borne diseases like bluetongue and Schmallenberg virus that affect cattle and sheep in the UK and beyond.
Case Western Reserve University researchers turn urine into research tools
Researchers from Case Western Reserve University School of Medicine have developed a breakthrough technique to harvest cells directly from urine, and grow them into durable, clinically relevant stem cells to study Down syndrome.
Dust contributes valuable nutrients to Sierra Nevada forest ecosystems
Dust from as close as California's Central Valley and as far away as Asia's Gobi Desert provides nutrients, especially phosphorus, to vegetation in the Sierra Nevada Mountains, a team of scientists has found.
Announcing the inaugural online immuno-oncology symposium
Oncology Central is delighted to be hosting, 'Practical clinical aspects of immuno-oncology' a two-day online symposium exploring the latest developments in cancer immunotherapy, chaired by Professor Angus Dalgleish (St.
Prostate screening often occurs without discussion of benefits, risks
Less than a third of men in a large national survey reported talking with their doctor about both the pros and cons of the PSA blood test for prostate cancer, and the likelihood has decreased further since a national panel recommended against the test.
Female menstrual cycle in a dish
What if women could have a miniature, personalized reproductive system made with their own tissues that could predict how they would respond to certain medications?
Evidence insufficient to screen for celiac disease
The US Preventive Services Task Force has concluded that the current evidence is insufficient to assess the balance of benefits and harms of screening for celiac disease in asymptomatic persons.
A basis for the application of drought indices in China
The definition of a drought index is the foundation of drought research.
Researchers discover dust plays prominent role in nutrients of mountain forest ecoystems
This study shows that dust may be crucial in mountainous forest ecosystems, dominating nutrient budgets despite continuous replacement of depleted soils with fresh bedrock via erosion.
Marathon running may cause short-term kidney injury
According to a new Yale-led study, the physical stress of running a marathon can cause short-term kidney injury.
Legos and origami inspire next-generation materials
Inspired by the fun of playing with Legos, an international team of researchers from Tianjin University of Technology and Harvard University have used the idea of assembling building-blocks to make the promise of next-generation materials a practical reality.
Neurological diseases cost the US nearly $800 billion per year
A new paper published in the Annals of Neurology reports the most common neurological diseases pose a serious annual financial burden for the nation.
NIST physicists show ion pairs perform enhanced 'spooky action'
Adding to strong recent demonstrations that particles of light perform what Einstein called 'spooky action at a distance,' in which two separated objects can have a connection that exceeds everyday experience, physicists at the National Institute of Standards and Technology (NIST) have confirmed that particles of matter can act really spooky too.
Parents who play Pokémon GO with kids: 'It wasn't really about the Pokémon'
In the first study to survey and interview parents who play 'Pokémon GO' with their children, families report a number of side benefits, including increased exercise, more time spent outdoors and opportunities for family bonding.
Entrepreneurs love their companies like parents love their children
A recent study shows that love is a major motivator both for parents and entrepreneurs.
Jefferson Lab accomplishes critical milestones toward completion of 12 GeV upgrade
CEBAF at the US Department of Energy's Thomas Jefferson National Accelerator Facility has achieved two major commissioning milestones and is now entering the final stretch of work to conclude its first major upgrade.
Researchers find video games influence sexist attitudes
The images and roles of female characters in video games send a powerful message that can influence the underlying attitudes of gamers.
Novel approach can reveal personalized breast cancer treatments
Researchers from various institutions, including Baylor College of Medicine, have developed a new way to approach breast cancer treatment.
Therapies that target dementia in early stages critical to success
Targeting dementia in the earlier stages of the condition could be critical for the success of future therapies, say researchers from the University of Bristol, who have found that the very earliest symptoms of dementia might be due to abnormal stability in brain cell connections rather than the death of brain tissue, which comes after.
IUPUI researcher weighs in on fairy circles of Namibia
A study conducted by researchers at Indiana University-Purdue University Indianapolis adds new insights into one of nature's great mysteries: the fairy circles of Namibia.
Brain stimulation improves schizophrenia-like cognitive problems
A new study from the University of Iowa Carver College of Medicine finds that stimulating the cerebellum in rats with schizophrenia-like thinking problems normalizes brain activity in the frontal cortex and corrects the rats' ability to estimate the passage of time -- a cognitive deficit that is characteristic in people with schizophrenia.
Meet your new electronic trauma intervention
The popular building-block computer game Tetris might be more than an idle pastime that keeps you glued to a screen.
Subaru telescope detects the shadow of a gas cloud in an ancient proto-supercluster
By using the Suprime-Cam on the Subaru Telescope, a team led by researchers at Osaka Sangyo University succeeded in making the widest map of neutral hydrogen gas in the early universe (corresponding to a time about 11.5 billion years ago).
Tiny sensor lays groundwork for precision X-rays detection via endoscopy
Using a tiny device known as an optical antenna, researchers have created an X-ray sensor that is integrated onto the end of an optical fiber just a few tens of microns in diameter.
Childhood lead exposure associated with lower IQ, socioeconomic status nearly 3 decades later
Children who had higher blood lead levels at age 11 were more likely to have lower cognitive function, IQ and socioeconomic status when they were adults at age 38, according to a study published by JAMA.
Igniting a solar flare in the corona with lower-atmosphere kindling
Recent images captured by NJIT's 1.6-meter New Solar Telescope at Big Bear Solar Observatory (BBSO) have revealed the emergence of small-scale magnetic fields in the lower reaches of the corona the researchers say may be linked to the onset of a main flare.
$1 million grant to Yijun Ruan of JAX from Human Frontier Science Program
Jackson Laboratory Professor Yijun Ruan, Ph.D., a leader in the study of the three-dimensional organization of the human genome, has received a three-year grant totaling $1,050,000 from the international Human Frontier Science Program to explore the fundamental mechanics involved in memory and learning as well as epilepsy.
The Lancet: Neuro-prosthesis reconnects brain to muscles to restore functional arm movements to man with complete paralysis
A system that decodes brain signals and transmits them to sensors in the arm has allowed a man paralyzed from the shoulders down to regain movement in his hand and arm, according to the first study to report results for this new technology, published in The Lancet.
Knee replacement surgery may have minimal effect on quality of life & unattractive
Knee replacement surgery for patients with osteoarthritis, as currently used, provides minimal improvements in quality of life and is economically unattractive.
Scientist pioneers technology new to MSU, maps giant virus
In a laboratory at Michigan State University, scientists took a DIY approach to build a retrofitted cryo-electron microscope that allowed them to map a giant Samba virus -- one of the world's largest viruses.
Cardiac arrest patients do better if taken immediately to a specialist heart center
People who suffer cardiac arrest outside of hospital have a better chance of survival if they are taken immediately to a specialist heart center rather than to the nearest general hospital, according to research published in the European Heart Journal.
A molecular on/off switch for CRISPR
TSRI scientists reveal how viruses disable bacterial immune systems.
Interferon-beta producing stem cell-derived immune cell therapy on liver cancer
Induced pluripotent stem (iPS) cell-derived myeloid cells (iPS-ML) that produce the anti-tumor protein interferon-beta (IFN-beta) have been produced and analyzed by researchers from Kumamoto University, Japan.
System better allots network bandwidth, for faster page loads
At the Usenix Symposium on Networked Systems Design and Implementation this week, researchers from MIT's Computer Science and Artificial Intelligence Laboratory (CSAIL) are presenting a new system for allocating bandwidth in data center networks.
Very premature babies benefit most from corticosteroids before birth
Giving corticosteroid drugs to mothers at risk of preterm delivery -- from as early as 23 weeks of pregnancy -- is associated with a lower rate of death and serious illness for their babies, finds a study published by The BMJ today.
Stop eating! You are full
A novel role as appetite suppressant for BH4, a well-known enzyme cofactor.
Biomechanical analysis of head injury in pediatric patients
The biomechanics of head injury in youths (5 to 18 years of age) have been poorly understood.
Using a method from Wall Street to track slow slipping of Earth's crust
An indicator for stock prices can be used with GPS data to automatically detect slow-slip earthquakes from a single station's observations, offering a new way to monitor seismic activity.
Protein identified as potential druggable target for pancreatic cancer
A protein known as arginine methyltransferase 1 (PRMT1) may be a potential therapeutic target for pancreatic ductal adenocarcinoma (PDAC), the most common type of pancreatic cancer, and one of the most deadliest with a less than 10 percent, five-year survival rate.
Early use of marijuana can increase its negative health impacts
The need for age guidelines for marijuana use is the focus of a new study recently published in the journal Health.
How do we measure temperature? (video)
How do the thermometers in the kitchen or the doctor's office work?
A seismic mapping milestone
Using advanced modeling and simulation, seismic data generated by earthquakes, and one of the world's fastest supercomputers, a team led by Jeroen Tromp of Princeton University is creating a detailed 3-D picture of Earth's interior.
Discovery of a new regulatory protein provides new tool for stem cell engineering
Bioengineers at the University of California San Diego have discovered a protein that regulates the switch of embryonic stem cells from the least developed 'naïve' state to the more developed 'primed' state.
Unraveling the functional diversity of longevity gene SIRT1
While the search for elixir of life has captivated human imagination for millennia, researchers around the world have put in efforts to extend healthy lifespan and reduce the burden of morbid diseases in an increasingly aging population.
Poor outlook for biodiversity in Antarctica
The popular view that Antarctica and the Southern Ocean are in a much better environmental shape than the rest of the world has been brought into question in a study publishing on March 28 in the open access journal PLOS Biology, by an international team lead by Steven L.
SHSU study examines death penalty support in Mexico
In sharp contrast to previous studies of public support for the death penalty conducted in the US, Catholics in Mexico were found to be more likely to support capital punishment, while older Mexicans and those living in states that bordered the US were less likely to support the death penalty, according to researchers at Sam Houston State University.
Biologists find 'skin-and-bones' mechanism underlying zebrafish fin regeneration
University of Oregon biologists have figured out how zebrafish perfectly regenerate amputated fins with a precisely organized skeleton.
New report lays plan to eliminate 90,000 hepatitis B and C deaths by 2030
Hepatitis B and C kill more than 20,000 people every year in the United States.
Highway to health: WSU findings point way to more nutritious crops
Washington State University researchers have had the closest look yet at the inner workings of a plant's circulatory system.
UTHealth researchers collaborate to increase low vaccination rates in Houston schools
Susan Wootton, M.D., associate professor of pediatric infectious diseases at McGovern Medical School at The University of Texas Health Science Center at Houston (UTHealth), will lead a project to increase low vaccination rates among pre-kindergarten and kindergarten students in the Houston Independent School District (HISD).
Tiny bacterium provides window into whole ecosystems
MIT research on Prochlorococcus, the most abundant life form in the oceans, shows the bacteria's metabolism evolved in a way that may have helped trigger the rise of other organisms, to form a more complex marine ecosystem with overall greater biomass.
Sharing expert experimental knowledge to expedite design
A new repository of metabolic information provides a quick tool for designing useful synthetic biological systems.
Mustard seeds without mustard flavor: New robust oilseed crop can resist global warming
University of Copenhagen and the global player Bayer CropScience have successfully developed a new oilseed crop that is much more resistant to heat, drought and diseases than oilseed rape.
The physics of wealth inequality
A Duke engineering professor has proposed an explanation for why the income disparity in America between the rich and poor continues to grow.
ASCO and Cancer Care Ontario update guideline on radiation therapy for prostate cancer
The American Society of Clinical Oncology (ASCO) and Cancer Care Ontario today issued a joint clinical practice guideline update on brachytherapy (internal radiation) for patients with prostate cancer.
New method heats up ultrasonic approach to treating tumors
High-intensity focused ultrasound (HIFU) is a breakthrough therapeutic technique used to treat tumors.
Herpes STDs: From chimps to humans to cold sore cousin mixing before worldwide spread
Evolutionarily, Herpes simplex virus 1 and 2 are considered cousins, and are thought to have evolved independently, Now, an entirely new picture is emerging.
New research disproves common assumption on cranial joints of alligators, birds, dinosaurs
Researchers from the University of Missouri School Of Medicine recently discovered that although alligators, birds and dinosaurs have a similar skull-joint shape, this does not guarantee that their movements are the same.
Chlamydia: How bacteria take over control
To survive in human cells, chlamydiae have a lot of tricks in store.
New strategy identifies potential drugs and targets for brain repair
Researchers have discovered drugs that activate signaling pathways leading to specific adult brain cell types from stem cells in the mouse brain, according to a study publishing on March 28 in the open access journal PLOS Biology by Kasum Azim of the University of Zurich and colleagues from INSERM/university of Lyon and University of Portsmouth.
Researchers shoot for success with simulations of laser pulse-material interactions
University of Virginia professor Leonid Zhigilei led a team that used the Oak Ridge Leadership Computing Facility's Titan supercomputer to gain deeper insights into laser interactions with metal surfaces.
Cortisol excess hits natural DNA process and mental health hard
High concentrations of the stress hormone, Cortisol, in the body affect important DNA processes and increase the risk of long-term psychological consequences.
Asian dust providing key nutrients for California's giant sequoias
Dust from as far away as the Gobi Desert in Asia is providing more nutrients than previously thought for plants, including giant sequoias, in California's Sierra Nevada mountains, a team of scientists, including several from the University of California, Riverside, have found.
Findings support use of less invasive hysterectomy for early-stage endometrial cancer
Researchers found similar rates of disease-free survival and no difference in overall survival among women who received a laparoscopic or abdominal total hysterectomy for stage I endometrial cancer, according to a study published by JAMA.
Flexible electronic devices with roll-to-roll overmolding technology
VTT Technical Research Centre of Finland has, for the first time, performed all manufacturing stages for a flexible in-moulded LED foil -in roll-to-roll process.
ACP decries devastating impact of climate change order
President Trump's executive order on climate change will have a devastating impact on public health, said the American College of Physicians (ACP) today.
It is easier for a DNA knot...
How can long DNA filaments, which have convoluted and highly knotted structure, manage to pass through the tiny pores of biological systems?
Gold standards for nanoparticles
KAUST researchers reveal how small organic 'citrate' ions can stabilize gold nanoparticles, assisting research on the structures' potential.
Trump Action on Clean Power Plan threatens air quality, health, and economic benefits
'If we overturn the Clean Power Plan we will forfeit important health benefits and undermine the longstanding American tradition of energy innovation and clean air progress, at a time when we need it most.'
MSU, Shedd Aquarium partnering to create healthier aquatic homes
Viruses are the most abundant living organisms on the planet, yet we know very little about them, especially in aquatic environments.
Desktop scanners can be hijacked to perpetrate cyberattacks
The researchers conducted several demonstrations to transmit a message into computers connected to a flatbed scanner.
Rarely studied gene USF3 plays role in predisposition to thyroid cancer
Charis Eng, M.D., Ph.D., of Cleveland Clinic and her team have discovered that a faulty, rarely studied gene called USF3 may predispose individuals to thyroid cancer.
Cattle associated antibiotics disturb soil ecosystems, Virginia Tech researchers say
The team analyzed soil samples from 11 dairy farms in the United States, and found that the amount of antibiotic resistant genes was 200 times greater in soil near manure piles compared with soil that wasn't.
Man with quadriplegia employs injury bridging technologies to move again -- just by thinking
A subject who was paralyzed below his shoulders in a bicycling accident, is believed to be the first person with quadriplegia in the world to have arm and hand movements restored with the help of two temporarily implanted technologies.
It's not too late to conserve water resources in rapidly urbanizing areas
As climate change and population pressure intensify in suburbia, a new study by watershed scientist Timothy Randhir at UMass Amherst suggests that threats such as water shortages and poor quality can be met if managers begin to act now.
'Flying syringes' could detect emerging infectious diseases
Blood-sucking flies can act as 'flying syringes' to detect emerging infectious diseases in wild animals before they spread to humans, according to research published in the journal eLife.
Insurance coverage for IVF increases chance of having baby
Women who pursue in vitro fertilization (IVF) to become pregnant are more likely to give birth if they have health insurance that covers the procedure, according to new research at Washington University School of Medicine in St.
Fighting world hunger: Robotics aid in the study of corn and drought tolerance
Developing drought tolerant corn that makes efficient use of available water will be vital to sustain the estimated 9 billion global population by 2050.
New type of sensor material developed
Hokkaido University scientists have succeeded in developing a nickel complex that changes color and magnetism when exposed to methanol vapor.
Sex-shifting fish: Growth rate could determine sea lamprey sex
Unlike most animals, sea lampreys, an invasive, parasitic species of fish damaging the Great Lakes, could become male or female depending on how quickly they grow, according to a US Geological Survey study published today.
Malaria parasites 'walk through walls' to infect humans
Researchers have identified proteins that enable deadly malaria parasites to 'walk through cell walls' -- a superpower that was revealed using the Institute's first insectary to grow human malaria parasites.
Women with insurance coverage for IVF more likely to have live birth
Women with insurance coverage for in vitro fertilization (IVF) were more likely to attempt IVF again and had a higher probability of live birth than women who self-paid for IVF, according to a study published by JAMA.
Alcohol use in veterans with schizophrenia less common than thought; no level safe
US veterans who are being treated for schizophrenia are much less likely to drink any alcohol than the general population.
Can intergenerational cooperation defeat climate change?
Older adults are powerful allies in addressing climate change, according to 'Gray and Green Together: Climate Change in an Aging World,' the latest edition of Public Policy & Aging Report (PP&AR) from The Gerontological Society of America (GSA).
New report finds EPA's controlled human exposure studies of air pollution are warranted
A new report by the National Academies of Sciences, Engineering, and Medicine finds these studies are warranted and recommends that they continue under two conditions: when they provide additional knowledge that informs policy decisions and regulation of pollutants that cannot be obtained by other means, and when it is reasonably predictable that the risks for study participants will not exceed biomarker or physiologic responses that are of short duration and reversible.
NASA's James Webb space telescope completes acoustic and vibration tests
At NASA's Goddard Space Flight Center in Greenbelt, Maryland the James Webb Space Telescope team completed the acoustic and vibration portions of environmental testing on the telescope.
Hair spacing keeps honeybees clean during pollination
A honeybee can carry up to 30 percent of its body weight in pollen because of the strategic spacing of its nearly three million hairs.
Viruses in the oceanic basement
A team of scientists from the University of Hawai'i at Mānoa School of Ocean and Earth Science and Technology (SOEST) showed for the first time that many novel viruses are present in the fluids circulating deep in the rocky crust of the seafloor known as the ocean basement.
Tomographic imaging advances considered good yet can lead to overdiagnosis in PE patients
Although advances in tomographic imaging have improved the sensitivity of ventilation-perfusion (V/Q) scans for pulmonary embolism (PE), they may lead to overdiagnosis by revealing small and clinically insignificant PEs, according to a state-of-the-art review published in the March 2017 issue of the American Journal of Roentgenology (AJR).
Key research priorities for agricultural microbiomes identified
A coordinated effort to understand plant microbiomes could boost plant health and agricultural productivity, according to a new Perspective publishing March 28 in the open access journal PLOS Biology by Posy Busby of Oregon State University in Corvallis and colleagues at eight other research institutions.
To be or not to be ... an entrepreneur
Professor Ross Levine found evidence that a company's legal status -- incorporated or unincorporated -- can be used as a reliable measure to distinguish entrepreneurs from other business owners.
Elevated blood pressure not a high mortality risk for elderly with weak grip
A study of nearly 7,500 Americans age 65 or older suggests that elevated blood pressure is not related to high mortality risk among people in that age group with weak grip strength.
Honesty may not be the best policy for hospital safety grades, study suggests
A new study finds that a well-known hospital grading system may put too much weight on the wrong things.
Which self-help websites actually improve health? New research yields a list
From depression to weight loss, insomnia to cutting back on alcohol or cigarettes, the Internet teems with sites that promise to help people improve their health.
Seasonal warming leads to smaller animal body sizes
Changes in the body size of animals measured under controlled laboratory conditions have been shown to closely match changes in body size with seasonal warming in nature, according to research from Queen Mary University of London (QMUL).
As sea level rises, much of Honolulu and Waikiki vulnerable to groundwater inundation
New research from the University of Hawai'i at Mānoa reveals a large part of the heavily urbanized area of Honolulu and Waikiki, Hawai'i is at risk of groundwater inundation--flooding that occurs as groundwater is lifted above the ground surface due to sea level rise.
Georgia Cancer Center participates in NCI-driven initiative to understand racial, ethnic, age disparities in 6 cancers
The Georgia Cancer Center at Augusta University is one of a dozen sites across the nation helping build a molecular profile of six cancers that often strike early and disparately.
Fellowship aims to protect threatened Australian night parrots
Ensuring one of Australia's most high-profile threatened bird species does not disappear a second time is the mission of a University of Queensland researcher.
Understanding predictability and randomness by digging in the dirt
When tilling soil, the blade of the tool cuts through dirt, loosening it in preparation for seeding.
How a young-looking lunar volcano hides its true age
A young-looking volcanic caldera on the moon has been interpreted by some as evidence of relatively recent lunar volcanic activity, but new research suggests it's not so young after all.
Why does the same exercise exert effects on individuals differently?
Selenoprotein P, a kind of hepatokine hormone secreted from the liver, has been found, through experiments with cultured muscle cells and mice and through clinical studies, to cause pathology named 'exercise resistance,' which prevents health promotion by physical exercise.
Why don't Americans have a name for the color 'light blue?'
'Mizu' translates to 'water' and has emerged in recent decades as a unique shade in the Japenese lexicon, new research has found.
Astaxanthin compound found to switch on the FOX03 'longevity gene' in mice
An Astaxanthin compound has been found to switch on the FOX03 'longevity gene' in a study using mice at the University of Hawaii.
Music therapy reduces pain in spine surgery patients
Music therapy has been found to decrease pain in patients recovering from spine surgery, compared to a control group of patients who received standard postoperative care alone.
How does oxygen get into a fuel cell?
In order for a fuel cell to work, it needs an oxidizing agent.
Forests fight global warming in ways more important than previously understood
Trees impact climate by regulating the exchange of water and energy between the Earth's surface and the atmosphere, an important influence that should be considered as policymakers contemplate efforts to conserve forested land, said the authors of an international study that appears in the journal Nature Climate Change.
Impacts of school choice on segregation
Diversity in schools is important for students' experiences and outcomes in schools and beyond, reducing prejudices and ensuring the likelihood of living and working in integrated environments as adults.
Information storage with a nanoscale twist
Discovery of a novel rotational force inside magnetic vortices makes it easier to design ultrahigh capacity disk drives.
Knee surgery may have minimal quality of life effects in those with less severe symptoms
Current use of knee replacement surgery for patients with osteoarthritis may have minimal effects on quality of life and is economically unattractive, concludes a study from the United States in The BMJ today.
TSRI researchers develop new method to 'fingerprint' HIV
Scientists at The Scripps Research Institute (TSRI) have developed a method to analyze the glycan shield on HIV's protective outer glycoprotein, developed as a potential HIV vaccine candidate.
Vitamin D, calcium supplementation among older women does not significantly reduce risk of cancer
Among healthy postmenopausal women, supplementation with vitamin D3 and calcium compared with placebo did not result in a significantly lower risk of cancer after four years, according to a study published by JAMA.
New quantum gadget could make contactless payment more secure
A prototype gadget that sends secret keys to encrypt information passed from a mobile device to a payment terminal, could help to answer public concerns around the security of contactless and wireless transactions.
NASA sees Tropical Cyclone Debbie make landfall in Queensland
Tropical Cyclone Debbie made landfall in Queensland bringing heavy rainfall, hurricane-force winds, rough seas, and flooding.
How bacteria hunt other bacteria
A bacterial species that hunts other bacteria has attracted interest as a potential antibiotic, but exactly how this predator tracks down its prey has not been clear.
Wealth and knowledge drive bushmeat consumption during the West African Ebola crisis
Bushmeat, or wild animal meat, is an essential source of protein for many people in tropical regions.
Rogue breast tumor proteins point to potential drug therapies
For patients with difficult-to-treat cancers, doctors increasingly rely on genomic testing of tumors to identify errors in the DNA that indicate a tumor can be targeted by existing therapies.
Broad support exists for larger warnings on cigarette packs
A UNC Lineberger Comprehensive Cancer Center study found broad support, even among smokers, for increasing the size of health warnings on cigarette packs.
Night lights, big data
Researchers from the Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS) and the Environmental Defense Fund (EDF) have developed an online tool that incorporates 21 years of night-time lights data to understand and compare changes in human activities in countries around the world.
Seabird bones, fossils reveal broad food-web shift in North Pacific
For thousands of years, the Hawaiian petrel has soared over the Pacific Ocean, feeding on fish and squid.
Effects of at-home cognitive stimulation therapy on dementia patients and caregivers
Individual cognitive stimulation therapy, an intervention carried out at home by family caregivers, has little impact on the cognition of patients with dementia, a new study has found, but boosts the quality of the relationship between the patient and caregiver.
Van Andel Research Institute installs cryo-EM to explore molecular basis of disease
Van Andel Research Institute (VARI) is now home to one of the world's most powerful microscopes -- one that images life's building blocks in startling clarity and equips VAI's growing team of scientists to push the limits of discovery in search of new treatments for diseases such as cancer and Parkinson's.
Toward glow-in-the-dark tumors: New fluorescent probe could light up cancer
A fluorescent probe developed by Michigan Tech chemist Haiying Liu lights up the enzyme beta-galactosidase in a cell culture.
Lead exposure in childhood linked to lower IQ, lower status
A long-term study of 565 children who grew up in the era of leaded gasoline has shown that their exposure to the powerful neurotoxin may have led to a loss of intelligence and occupational standing by the time they reached age 38.
Researchers uncover secret of nanomaterial that makes harvesting sunlight easier
Using sunlight to drive chemical reactions, such as artificial photosynthesis, could soon become much more efficient thanks to nanomaterials.
Study: Dust helps regulate Sierra Nevada ecosystems
A new study released March 28 in the journal Nature Communications indicates it's important to understand how dust helps vegetation thrive, especially in light of the changing climate and land-use intensification.
New process designed to streamline faster care for EMS triage, transport of stroke patients
The new Severity-based Stroke Triage Algorithm for emergency medical services (EMS) equips ambulance crews with information and tools to better identify a stroke, assess a patient's overall condition and determine the best hospital for the patient's specific treatment needs.
When writing interferes with hearing
A cochlear implant is an electronic device capable of restoring hearing in a profoundly deaf person by stimulating the nerve endings in the inner ear.
Dementia: The right to rehabilitation
Rehabilitation is important for people with dementia as it is for people with physical disabilities, according to a leading dementia expert.

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