Brightsurf Science News & Current Events

July 26, 2016
The case of the missing craters
The largest dwarf planet in the asteroid belt has a curious lack of big craters.

Imaging the brain at multiple size scales
MIT researchers have developed a new technique for imaging brain tissue at multiple scales, allowing them to image molecules within cells or take a wider view of the long-range connections between neurons.

Penn team uses nanoparticles to break up plaque and prevent cavities
The bacteria that live in dental plaque and contribute to tooth decay often resist traditional antimicrobial treatment, as they can 'hide' within a sticky biofilm matrix, a glue-like polymer scaffold.

Cleaner air may be driving water quality in Chesapeake Bay
A new study suggests that improvements in air quality over the Potomac watershed, including the Washington, D.C., metro area, may be responsible for recent progress on water quality in the Chesapeake Bay.

Researchers identify protein role in pathway required for Ebola replication
A newly identified requirement of a modified human protein in ebolavirus replication, may unlock the door for new approaches to treating Ebola.

Online intervention helps sustain weight loss
New research, led by the University of Southampton, has found that an online behavioural counselling tool is effective at helping people lose weight.

Markers that cause toxic radiotherapy side-effects in prostate cancer identified
A new study involving researchers from The University of Manchester looked at the genetic information of more than 1,500 prostate cancer patients and identified two variants linked to increased risk of radiotherapy side-effects.

Columbia researchers find biological explanation for wheat sensitivity
Researchers from Columbia University have found that people with non-celiac wheat sensitivity have a weakened intestinal barrier, which leads to a systemic immune response after ingesting wheat and related cereals.

OU professor elected as Fellow to American Geophysical Union for scientific achievements in ecological forecasting
University of Oklahoma Professor Yiqi Luo has been elected as a Fellow of the American Geophysical Union for distinguished contributions to the field of global change ecology, particularly for pioneering development and application of data assimilation for ecological forecasting.

Light shed on a superluminous supernova which appears to have exploded twice
An international group of researchers has used the GTC to observe a superluminous supernova almost from the moment it occurred.

Cataclysm at Meteor Crater: Crystal sheds light on Earth, moon, Mars
In molten sandstone extracted by prospectors a century ago, an international team of scientists has discovered microscopic crystals telling of unimaginable pressures and temperatures when a 12-kilometer asteroid formed Meteor Crater in northern Arizona some 49,000 years ago.

Asymmetrical magnetic microbeads transform into micro-robots
Janus particles are asymmetrical microscopic spheres with both a magnetic and a non-magnetic half.

Genome-editing 'toolbox' targets multiple genes at once
A Yale research team has designed a system to modify, or edit, multiple genes in the genome simultaneously, while also minimizing unintended effects.

Elite cyclists are more resilient to mental fatigue
Professor Samuele Marcora, Director of Research in Kent's School of Sport and Exercise Sciences, co-authored a report in the journal PLOS ONE entitled 'Superior Inhibitory Control and Resistance to Mental Fatigue in Professional Road Cyclists.' The professional cyclists outperformed the recreational cyclists in a simulated time trial in the laboratory.

Severity of enzyme deficiency central to favism
The congenital disease favism causes sickness and even jaundice in patients after they consume beans.

Workforce processes prior to mechanical thrombectomy vary widely, new study finds
Mechanical thrombectomy, a leading type of neurointerventional stroke treatment where a device can remove a blood clot in minutes, is essential for people experiencing a stroke, who stand to lose 2 million neurons every minute the artery is blocked.

Biological wizardry ferments carbon monoxide into biofuel
Cornell University biological engineers have deciphered the cellular strategy to make the biofuel ethanol, using an anaerobic microbe feeding on carbon monoxide -- a common industrial waste gas.

Cracking the mystery of Zika virus replication
Zika virus has become a household word. It can cause microcephaly, a birth defect where a baby's head is smaller than usual.

Health insurance coverage is associated with lower odds of alcohol use by pregnant women
Researchers studied the relationship between health insurance coverage and tobacco and alcohol use among reproductive age women in the US, and whether there were differences according to pregnancy status.

Could the deadly mosquito-borne yellow fever virus cause a Zika-like epidemic in the Americas?
Yellow fever virus (YFV), a close relative of Zika virus and transmitted by the same type of mosquito, is the cause of an often-fatal viral hemorrhagic fever and could spread via air travel from endemic areas in Africa to cause international epidemics.

Substantial growth in ordering of CTA exams in Medicare population
According to a new study by the Harvey L. Neiman Health Policy Institute, the last 13 years have seen a substantial growth in the use of computed tomography angiography examinations in the Medicare population, particularly in the emergency department setting.

Research tracks interplay of genes and environment on physical, educational outcomes
Over the course of the 20th century, genes began to play a greater role in the height and body mass index (BMI) of Americans, while their significance decreased in educational outcomes and occurrence of heart disease.

The world's most unavoidable carcinogen (video)
When we go outside, we expose ourselves to the most common carcinogen of all: ultraviolet (UV) rays in sunlight.

Making terahertz lasers more powerful
Researchers have nearly doubled the continuous output power of a type of laser, called a terahertz quantum cascade laser, with potential applications in medical imaging, airport security and more.

Improving Internet with mid-wavelength infrared
A novel phototransistor device developed at Northwestern University could make the Internet faster and cheaper by replacing near-infrared wavelengths with mid-wavelength infrared.

The hot attraction of gold
Gold had long been considered a non-magnetic metal. But researchers at Tohoku University recently discovered that gold can in fact be magnetized by applying heat.

A new type of quantum bits
A research team from Germany, France and Switzerland has realized quantum bits, short: qubits, in a new form.

Mor earns GSA's 2016 Robert W. Kleemeier Award
The Gerontological Society of America -- the nation's largest interdisciplinary organization devoted to the field of aging -- has chosen Vincent Mor, Ph.D., of Brown University as the 2016 recipient of the Robert W.

More power to you
Engineers from the University of Utah and the University of Minnesota have discovered that interfacing two particular oxide-based materials makes them highly conductive, a boon for future electronics that could result in much more power-efficient laptops, electric cars and home appliances that also don't need cumbersome power supplies.

Stereotactic radiosurgery may be best for patients with metastatic brain tumors
Patients with three or fewer metastatic brain tumors who received treatment with stereotactic radiosurgery had less cognitive deterioration three months after treatment than patients who received SRS combined with whole brain radiation therapy.

Study compares cognitive outcomes for treatments of brain lesions
Among patients with one to three brain metastases, the use of stereotactic radiosurgery (SRS) alone, compared with SRS combined with whole brain radiotherapy, resulted in less cognitive deterioration at three months, according to a study appearing in the July 26 issue of JAMA.

Overlooked benefit of successful healthy lifestyle programs: Improved quality-of-life
The value of a healthy lifestyle isn't only reflected by the numbers on the scale or the blood pressure cuff.

Middle atmosphere in sync with the ocean
In the late 20th century scientists observed a cooling at the transition between the troposphere and stratosphere at an altitude of about 15 kilometers.

Supervised self-monitoring improves diabetes control in clinical trial
For people with diabetes not treated with insulin, unsupervised self-monitoring of blood glucose levels has not been found effective at improving glycaemic control.

Major new study provides important insights for effective treatment of heart failure with pEF
The number of patients hospitalized with HFpEF is now comparable to those with traditional heart failure with a reduced ejection fraction (HFrEF) and is projected to exceed that of HFrEF within the next few years.

Pixel-array quantum cascade detector paves the way for portable thermal imaging devices
Research team from TU-Wien Center for Micro- and Nanostructures have developed a new 'cooler' sensing instrument thereby increasing energy, efficiency and enhancing mobility for diagnostic testing.

Streetcar tracks increase risk of bike crashes: UBC and Ryerson study
One-third of bike crashes in Toronto's downtown involved the city's streetcar tracks, according to a new study out of UBC and Ryerson University that suggests that separated bike routes could reduce risk to cyclists.

Newly discovered virus a prime suspect in often-fatal beak disorder spreading among birds
Scientists have identified a novel virus -- 'Poecivirus' -- that has been linked to avian keratin disorder (AKD), a disease responsible for debilitating beak overgrowth and whose cause has remained elusive despite more than a decade of research.

American Society of Human Genetics 2016 Annual Meeting
The American Society of Human Genetics (ASHG) 2016 Annual Meeting, Oct.

Genetic profiling increases cancer treatment options, Sanford Health study finds
Genetic profiling of cancer tumors provides new avenues for treatment of the disease, according to a study conducted by Sanford Health and recognized by the American Society of Clinical Oncology.

Historical love-affair with indulgent foods
Our desire for indulgent meals may be over 500 years old.

Can a brain scan early in stress predict eventual memory loss?
New research from the National Centre for Biological Sciences, Bangalore and Trinity College, Dublin, now shows that even a brief period of stress -- as few as three days -- can cause the hippocampus to start shrinking.

SwRI-led study shows puzzling paucity of large craters on dwarf planet Ceres
A team of scientists led by Southwest Research Institute made a puzzling observation while studying the size and distribution of craters on the dwarf planet Ceres.

UMD researchers discover a way that animals keep their cells identical
A University of Maryland research team is the first to discover that a regulatory protein named ERI-1 helps ensure that all cells in a tissue remain identical to one another.

Task force maybe too stringent in not yet recommending melanoma screening
In an editorial in JAMA, two experts including Brown University dermatologist Dr.

Health-eBrain study to launch phase II
BrightFocus Foundation, Geoffrey Beene Foundation Alzheimer's Initiative, AnthroTronix, and Mindoula, have launched Phase II of the Health-eBrain Study, investigating the impact the Alzheimer's caregiving experience has on brain and behavioral health.

Novel state of matter: Observation of a quantum spin liquid
A novel and rare state of matter known as a quantum spin liquid has been empirically demonstrated in a monocrystal of the compound calcium-chromium oxide by team at HZB.

Exploring one of the largest salt flats in the world
A recent research report about one of the largest lithium brine and salt deposits in the world in Chile's Atacama Desert by geoscientists from UMass Amherst is the first to show that water and solutes flowing into the basin originate from a much larger than expected portion of the Andean Plateau.

Wireless@Virginia Tech to receive $2.5 million to advance new technologies
The National Science Foundation has awarded more than $2.5 million in research funding to Wireless@Virginia Tech, aligning with the recently announced White House initiative on advanced wireless research in efforts to provide faster wireless networks.

Researchers printed energy-producing photographs
Researchers printed energy-producing photographs. With the method developed in Aalto University, any picture or text could be inkjet-printed as a solar cell.

Scientists identify novel genes linked to motor neuron disease
An international consortium of scientists, led by King's College London and the University Medical Center Utrecht in the Netherlands, has identified novel genes which increase the risk of developing amyotrophic lateral sclerosis, the most common form of motor neuron disease.

The Lancet Psychiatry: First field trial supports removing transgender diagnosis from mental disorders chapter within WHO classification
New evidence suggests that it would be appropriate to remove the diagnosis of transgender from its current classification as a mental disorder, according to a study conducted in Mexico City.

Every grain of rice: Ancient rice DNA data provides new view of domestication history
Now, using new data collected samples of ancient, carbonized rice, a team of Japanese and Chinese scientists have successfully determined DNA sequences to make the first comparisons between modern and ancient rice.

Study links gymnastics equipment to exposure to flame-retardant chemicals
As the summer Olympics get underway, a new study co-authored by Boston University School of Public Health researchers reports that popular gymnastics training equipment contains mixtures of flame-retardant chemicals that have been linked to increased risks of ADHD, cancer and brain development delays.

How to sound the alarm
A group of risk experts is proposing a new framework and research agenda that they believe will support the most effective public warnings when a hurricane, wildfire, toxic chemical spill or any other environmental hazard threatens safety.

Invasive garden 'super ants' take hold faster than ever in UK, new research finds
Three new infestations of an invasive garden ant -- known for building massive colonies of tens of thousands of insects -- have been found in the UK this year, with researchers at the University of York warning their impact on biodiversity could be huge.

Eastern Pacific storms Georgette and Frank see-saw in strength
Two tropical cyclones in the Eastern Pacific Ocean have see-sawed in strength today, July 26, 2016.

New evidence: How amino acid cysteine combats Huntington's disease
Researchers at Johns Hopkins Medicine report they have identified a biochemical pathway linking oxidative stress and the amino acid cysteine in Huntington's disease.

The mysterious farting
Professor Alexander Oleskin from the Faculty of Biology of the Lomonosov Moscow State University and his colleague Professor Boris Shenderov from the Gabrichevsky Moscow Research Institute of Epidemiology and Microbiology published an article devoted to the review of gaseous neurotransmitters of microbial origin and their role in the human body.

Codependence of cell nucleus proteins key to understanding fatty liver disease
A new appreciation for the interplay between two cell nucleus proteins that lead both intertwined and separate lives is helping researchers better understand fatty liver disease.

The eyes are the window into the brain
Insight into how neurons in the cerebellum respond to rapid eye movements may provide clues for modern medical technology.

Count seals in Antarctica from the comfort of your couch
Scientists are asking the public to look through thousands of satellite images of Antarctica to assist in the first-ever, comprehensive count of Weddell seals.

First evidence of ocean acidification's impact on reproductive behavior in wild fish
Ocean acidification could have a dramatic impact on the reproductive behaviour of fish, a new international study shows.

Evidence insufficient to make recommendation regarding visual skin examination by a clinician
The US Preventive Services Task Force (USPSTF) has concluded that the current evidence is insufficient to assess the balance of benefits and harms of visual skin examination by a clinician to screen for skin cancer in asymptomatic adults.

Launch of the World Scientific Series on Current Energy Issues
The Series explores different energy resources and issues related to the use of energy.

Rainforest greener during 'dry' season
Although the Amazon Jungle may appear to be perpetually green, University of Illinois researcher Kaiyu Guan believes there are actually seasonal differences of photosynthesis, with more occurring during the dry season and less during the wet season.

Scientist develops gene therapy for muscle wasting
A discovery by Washington State University scientist Dan Rodgers and collaborator Paul Gregorevic could save millions of people suffering from muscle wasting disease.

To divide or not: a cellular feedback loop enables new cells to make a fateful decision
New research sheds light on a critical decision every newly born cell makes: whether to continue to proliferate or exit the cell-division cycle.

$1.7 million grant to Wayne State will advance virtually guided weldability qualification
Wayne State University has received a $1.7 million grant from the Digital Manufacturing and Design Innovation Institute -- an institute of the National Network of Manufacturing Innovation -- for a project that will advance Resistance Spot Welding (RSW) weldability qualification environments.

Male frogs have sex on land to keep competitors away
Researchers have assumed that natural selection drove frogs to take the evolutionary step to reproduce on land as a way for parents to avoid aquatic predators who feed on the eggs and tadpoles.

Childhood illness not linked to higher adult mortality
A new biological study by the University of Stirling has found that exposure to infections in early life does not have long-lasting consequences for later-life survival and reproduction.

NSF grant funds research on evolution of social cooperation
Awarded a $696,634 National Science Foundation grant to study the evolution of cheating behaviors, University of Houston researchers will study amoebae to determine how organisms can work together as a community, even when only some individuals stand to benefit from this cooperation.

Rantz earns GSA's 2016 Doris Schwartz Gerontological Nursing Research Award
The Gerontological Society of America (GSA) -- the nation's largest interdisciplinary organization devoted to the field of aging -- has chosen Marilyn Rantz, Ph.D., R.N., F.A.A.N., of the University of Missouri as the 2016 recipient of the Doris Schwartz Gerontological Nursing Research Award.

Better defining the signals left by as-yet-undefined dark matter at the LHC
Physicists still don't exactly know what dark matter is. Indeed, they can only see its effect in the form of gravity.

Using virtual reality to help teenagers with autism learn how to drive
An interdisciplinary team of engineers and psychologists have developed a virtual reality driving simulator designed to help teenagers with autism spectrum disorder learn to drive, a key skill in allowing them to live independent and productive lives.

Americans worried about using gene editing, brain chip implants and synthetic blood
This survey of US adults centers on public views about: gene editing that might give babies a lifetime with much reduced risk of serious disease, implantation of brain chips that potentially could give people a much improved ability to concentrate and process information, and transfusions of synthetic blood that might give people much greater speed, strength and stamina.

Researchers unveil new data and diagnostic tool at the world's largest Alzheimer's forum
Two studies involving University of Waterloo researchers presented this week at the 2016 Alzheimer's Association International Conference (AAIC) in Toronto highlight a new diagnostic tool that can identify Alzheimer's disease long before the onset of symptoms as well as the increasing prevalence of Alzheimer's disease in Ontario.

Web-based technology improves pediatric ADHD care and patient outcomes
As cases of ADHD continue to rise among US children, pediatricians at busy community practices are getting an assist from a web-based technology to improve the quality of ADHD care and patient outcomes.

Ancient temples in the Himalaya reveal signs of past earthquakes
Tilted pillars, cracked steps, and sliding stone canopies in a number of 7th-century A.D. temples in northwest India are among the telltale signs that seismologists are using to reconstruct the extent of some of the region's larger historic earthquakes.

Effective monitoring to evaluate ecological restoration in the Gulf of Mexico -- New report
To improve and ensure the efficacy of restoration efforts in the Gulf of Mexico following Deepwater Horizon -- the largest oil spill in US history -- a new report from the National Academies of Sciences, Engineering, and Medicine recommends a set of best practices for monitoring and evaluating ecological restoration activities.

NASA team begins testing of a new-fangled optic
It's an age-old astronomical truth: To resolve smaller and smaller physical details of distant celestial objects, scientists need larger and larger light-collecting mirrors.

Building global innovators announces 7th edition startup batch
From 211 candidates, Building Global Innovators has selected 10 ventures to join the seventh edition of the accelerator, nine of which already have a prototype developed that is ready to pilot.

Study: Businesses can't afford to ignore the human element of IT
Mood and personality play an important role in how companies should manage their IT systems, according to a new study co-authored by a researcher at Binghamton University, State University of New York.

Department of Defense funds $1.5 million Pitt study to identify and destroy hazardous chemicals
The DTRA funds academic research to find solutions for effective and affordable threat reduction, concentrating on combating weapons of mass destruction.

Genetic factors are responsible for creating anatomical patterns in the brain cortex
The highly consistent anatomical patterning found in the brain's cortex is controlled by genetic factors, reports a new study by an international research consortium led by Chi-Hua Chen of the University of California, San Diego, and Nicholas Schork of the J.

Real-time imaging of fish gut ties bacterial competition to gut movements
In recent years, numerous diseases have been tied to variations in gut microbiota.

Molten storage and thermophotovoltaics offer new solar power pathway
A new wrinkle on an old technology -- solid-state thermophotovoltaics -- could provide a high-efficiency alternative for directly converting high-temperature heat from concentrated solar thermal to utility-scale electricity.

Placental syndromes increase women's short-term risk for cardiovascular diseases
The short-term risk of developing cardiovascular disease following a first pregnancy is higher for women experiencing placental syndromes and poor pregnancy outcomes, a University of South Florida study reports.

Wurm earns GSA's 2016 Baltes Foundation Award
The Gerontological Society of America -- the nation's largest interdisciplinary organization devoted to the field of aging -- has chosen Susanne Wurm, Ph.D., of the Friedrich-Alexander-University Erlangen-N├╝rnberg as the 2016 recipient of the Margret M. and Paul B.

Locher earns GSA's 2016 M. Powell Lawton Award
The Gerontological Society of America -- the nation's largest interdisciplinary organization devoted to the field of aging -- has chosen Julie Locher, Ph.D., of the University of Alabama at Birmingham as the 2016 recipient of the M.

Japanese tadpoles relax in hot springs
'Scientists have studied the distributions of organisms and their environmental adaptations since the era of Darwin and Wallace.

Animation library to increase science literacy in Victoria
Addressing a strong demand within the STEM community for meaningful and accessible education tools -- especially around complex topics, the project will offer valuable teaching and learning resources to schools and universities teaching biomedical science.

Regardless of age, health conditions, many seniors not retired from sex
Many seniors consider sexual activity essential to their well-being, happiness and quality of life.

Witnesses confuse innocent and guilty suspects with 'unfair' lineups
Police lineups in which distinctive individual marks or features are not altered can impair witnesses' ability to distinguish between innocent and guilty suspects, according to new research in Psychological Science, a journal of the Association for Psychological Science.

Earthquake-resilient pipeline could shake up future for aging infrastructure
A top engineer from the city of Los Angeles visited Cornell University this month as researchers tested a new earthquake-resilient pipeline designed to better protect southern California's water utility network from natural disasters.

Low physical capacity second only to smoking as highest death risk
A 45 year study in middle-aged men has shown that the impact of low physical capacity on risk of death is second only to smoking.

Stone earns GSA's 2016 Maxwell A. Pollack Award for Productive Aging
The Gerontological Society of America -- the nation's largest interdisciplinary organization devoted to the field of aging -- has chosen Robyn I.

NASA gets last looks at former Tropical Storm Darby
Tropical Storm Darby weakened to a remnant low pressure system in the Central Pacific Ocean today, July 26.

Olshansky earns GSA's 2016 Donald P. Kent Award
The Gerontological Society of America -- the nation's largest interdisciplinary organization devoted to the field of aging -- has chosen S.

Cord blood outperforms matched, unrelated donor in bone marrow transplant
A University of Colorado Cancer Center study finds that three years post-bone marrow transplant, the incidence of severe chronic graft-versus-host disease was 44 percent in patients who had received transplants from matched, unrelated donors (MUD) and 8 percent in patients who had received umbilical cord blood transplants (CBT).

Flow diversion improves vision among patients with paraclinoid aneurysms
Aneurysms of the paraclinoid region of the internal carotid artery (ICA) and the interventions used to treat them often result in visual impairment.

Dull disasters?
In 'Dull Disasters?: How Planning Ahead Will Make a Difference,' authors Daniel J.

Nottingham Dollies prove cloned sheep can live long and healthy lives
Three weeks after the scientific world marked the 20th anniversary of the birth of Dolly the sheep new research, published by The University of Nottingham, in the academic journal Nature Communications has shown that four clones derived from the same cell line -- genomic copies of Dolly -- reached their 8th birthdays in good health.

Opercular index score: A novel approach for determining clinical outcomes in stroke
A new study presented at the Society of NeuroInterventional Surgery's (SNIS) 13th Annual Meeting in Boston found that the Opercular Score Index (OIS) is a practical, noninvasive scoring system that can be used to predict the strength and health of the vascular network in the brain (known as collateral robustness) and good clinical outcome among stroke patients undergoing endovascular recanalization.

Exercise cuts gestational diabetes in obese pregnant women
Obese women who become pregnant are at higher risk of developing diabetes during their pregnancies.

Plasma technology can be tapped to kill biofilms on perishable fruit, foods
Seeing fruit 'turn bad and going to waste' inspired a team of researchers in China to explore using atmospheric pressure nonequilibrium plasma as a novel solution to extend the shelf life of fruit and other perishable foods.

Medicaid expansion increased Medicaid enrollment among liver transplant recipients
Researchers have found that Medicaid expansion increased Medicaid enrollment among people who received liver transplants funded by commercial insurance.

NSU researcher discovers unique anatomical characteristic in barnacle study
NSU researcher collaborated with colleague to study the sexual organ of male barnacles -- a creature that has been studied dating back to Charles Darwin.

Study in mice suggests stem cells could ward off glaucoma
An infusion of stem cells could help restore proper drainage for fluid-clogged eyes at risk for glaucoma.

MSU to use $3.6 million NSF grant to unveil plants' gates and signaling secrets
Michigan State University has landed a $3.6 million National Science Foundation grant to learn more about how plants' molecular gates close and alert defenses for battling diseases.

Trends in late preterm, early term birth rates and association with clinician-initiated obstetric interventions
Between 2006 and 2014, late preterm and early term birth rates decreased in the United States and an association was observed between early term birth rates and decreasing clinician-initiated obstetric interventions, according to a study appearing in the July 26 issue of JAMA.

Georgia State sets research funding record of $120 million
Georgia State University has set a research funding record, receiving awards of $120.2 million in fiscal year 2016.

NASA spots Tropical Storm Mirinae approaching China's Hainan Island
Tropical Depression 05W strengthened into a tropical storm and was renamed Mirinae as NASA's Aqua satellite passed over the South China Sea and captured a visible image of the storm.

Vineyard cover crops reduce expense, save environment
Cornell University researchers have advice for vineyard managers in cool and humid climates like the Northeast: cover up.

Study identifies neural circuits involved in making risky decisions
New research sheds light on what's going on inside our heads as we decide whether to take a risk or play it safe.

Dirty to drinkable
A team of engineers at Washington University in St. Louis has found a way to use graphene oxide sheets to transform dirty water into drinking water, and it could be a global game-changer.

The Bill & Melinda Gates Foundation funds Instituto Gulbenkian de Ciencia scientists
The research group led by Miguel Soares IGC was specifically selected by the Bill and Melinda Gates Foundation to help finding a vaccine against malaria.

Smell test may predict early stages of Alzheimer's disease
An odor identification test may prove useful in predicting cognitive decline and detecting early-stage Alzheimer's disease, according to research presented at the Alzheimer's Association International Conference.

New model is first to predict tree growth in earliest stages of tree life
University of Missouri researchers have created a new statistical model that accurately predicts tree growth from when they are first planted until they reach crown closure.

The Lancet: First trial of robotic vs. non-robotic surgery for prostate cancer finds both achieve similar outcome at 3 months
The first randomized controlled trial to directly compare robotic surgery with open surgery for patients with localized prostate cancer finds that robotic and open surgery achieve similar results in terms of key quality of life indicators at three months.

NASA data show Hurricane Frank's fluctuation in strength
Infrared data from NASA's Aqua satellite showed a transition within Tropical Storm Frank over three days, and now Frank has become the Eastern Pacific's fifth hurricane.

Survival, surgical interventions for children with rare, genetic birth disorder
Among children born with the chromosome disorders trisomy 13 or 18 in Ontario, Canada, early death was the most common outcome, but 10 percent to 13 percent survived for 10 years, according to a study appearing in the July 26 issue of JAMA.

Did the LIGO gravitational waves originate from primordial black holes?
Binary black holes recently discovered by the LIGO-Virgo collaboration could be primordial entities that formed just after the Big Bang, report Japanese astrophysicists.

Lonely atoms, happily reunited
The remarkable behavior of platinum atoms on magnetite surfaces could lead to better catalysts.

Visual side effects of immunosuppressive drugs shown in rats used for translational stem cell study
A new study of the immunosuppressive treatment routinely used to prevent graft rejection in rats that serve as test subjects for human stem cell therapies to combat retinal degeneration has linked the immunosuppressive regimen to reduced visual function.

Why baby boomers need a hepatitis C screening
Hepatitis C affects a disproportionate amount of older Americans, born between 1945 and 1965.

International search reveals genetic evidence for new species of beaked whale
An international team of scientists who searched out specimens from museums and remote Arctic islands has identified a rare new species of beaked whale that ranges from northern Japan across the Pacific Ocean to Alaska's Aleutian Islands.

A famous supermassive black hole 'spied on' with the Gran Telescopio CANARIAS
Novel observations by an international group of researchers with the CanariCam instrument on the Gran Telescopio CANARIAS provide new information about magnetic fields around the active nucleus of the galaxy Cygnus A.

Sexual rivalry may drive frog reproductive behaviors
Biologists have long thought that some frogs evolved to mate on land instead of in water to better guard eggs and tadpoles from predation.

Violent groups revealed on Twitter
New sentiment analysis algorithms developed by researchers at the University of Salamanca are able to monitor the social network Twitter in search of violent groups.

Cells from same cell bank lots may have vast genetic variability
In a surprise finding, researchers working with breast cancer cells purchased at the same time from the same cell bank discovered that the cells responded differently to chemicals, even though the researchers had not detected any difference when they tested them for authenticity at the time of purchase. 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