Brightsurf Science News & Current Events

March 20, 2017
Study finds tube placement may not be necessary for treating upper GI bleeds
For many of the millions of patients treated annually in hospitals for upper gastrointestinal bleeding, there is little value in placing a nasogastric tube in patients to determine the source of that bleeding or size of a lesion, report investigators at the Medical University of South Carolina, the University of Texas Southwestern Medical Center and the University of Florida at Jacksonville in an article published online ahead of print by the Journal of Investigative Medicine.

Temple-led team: Sex-based differences in utilization & outcomes for CDT in DVT patients
One treatment for deep vein thrombosis (DVT) is a procedure called catheter-directed thrombolysis (CDT).

Clinical interviews effective in predicting postpartum depression
For non-depressed, pregnant women with histories of major depressive disorder, preventive treatment with antidepressants may not necessarily protect against postpartum depression, according to new UCLA research.

TU Graz researchers show that enzyme function inhibits battery ageing
Stefan Freunberger, beneficiary of an ERC grant at TU Graz, shows in Nature Energy the influence of the reactive singlet oxygen on ageing processes in non-aqueous oxygen batteries.

Gene editing technique helps find cancer's weak spots
Genetic mutations that cause cancer also weaken cancer cells, allowing researchers to develop drugs that will selectively kill them.

Breakthrough discovery may make blood test feasible for detecting cancer
W. Andy Tao, a professor of biochemistry and member of the Purdue University Center for Cancer Research, and colleagues identified a series of proteins in blood plasma that, when elevated, signify that the patient has cancer.

New method predicts who will respond to lithium therapy
Scientists at Salk develop tool to gauge success of preferred treatment for bipolar disorder.

SwRI-led team focusing on safety chosen for NASA's SSERVI
NASA announced it has selected a new team led by Southwest Research Institute to its Solar System Exploration Research Virtual Institute (SSERVI).

'Tree-on-a-chip' passively pumps water for days
MIT engineers have created a 'tree-on-a-chip' -- a microfluidic pump inspired by the way trees and plants circulate nutrients.

A new tool to predict the potential public health benefit of e-cigarettes
A new study predicts that when e-cigarettes are available as alternative to cigarettes, by 2050 the 32 percent of smokers in the UK that otherwise would have continued smoking would have completely switched to e-cigarettes.

Do you really have high blood pressure?
A study by researchers at the University of Montreal Hospital Research Centre (CRCHUM) shows that more than half of family doctors in Canada are still using manual devices to measure blood pressure, a dated technology that often leads to misdiagnosis.

Study points a way to better implantable medical devices
MIT researchers have identified a signaling molecule key to the formation of scar tissue surrounding implantable medical devices, a process called fibrosis.

Outside auditors should be wary of information provided by management, MU study shows
Nate Newton, assistant professor of accountancy in the Trulaske College of Business at the University of Missouri, and his co-authors asked practicing auditors to estimate expenses relating to a year-end fire at a fictional company.

Will the doctor see your child now?
Parents often want medical advice when their child gets sick but only about half are very confident they can get a same day appointment with their child's provider, a new national poll finds.

5α-reductase inhibitors not associated with increased suicide risk in older men
Using 5α- reductase inhibitors was not associated with increased suicide risk in a group of older men but risks for self-harm and depression were increased during the 18 months after medication initiation, although 'the relatively small magnitude of these risks should not dissuade physicians from prescribing these medications in appropriate patients,' according to an article published online by JAMA Internal Medicine.

Molecular scale transporter with a twist, powered by liquid crystal defects
New experiments, supported by a theoretical model, show how defects forming loops around twisted plastic fibres dipped in liquid crystal could be used for the transport of biochemical substances, when controlled by electric and magnetic fields.

International research team warns of mineral supply constraints
An international team of researchers, led by the University of Delaware's Saleem Ali, says global resource governance and sharing of geoscience data is needed to address challenges facing future mineral supply.

How to make tomatoes taste awesome again (video)
Why are so many supermarket tomatoes tasteless and rock hard?

Dead zones may threaten coral reefs worldwide
Dead zones affect dozens of coral reefs around the world and threaten hundreds more according to a new study by Smithsonian scientists published in Proceedings of the National Academy of Sciences.

Power partners: Sandia draws industry into quest for cheaper, cleaner electricity
Sandia National Laboratories is working with three industry partners to commercialize a distributed power system that can produce cheaper, cleaner, more efficient electricity.

Testing for Zika virus: There's an app for that
Add rapid, mobile testing for Zika and other viruses to the list of things that smartphone technology is making possible.

JDR systematic analysis examines global burden of oral conditions
The IADR/AADR have published a systemic analysis in the JDR.

Data published in Nature Methods demonstrate breakthrough ability to accurately detect somatic single nucleotide variations in single cells
Before scientists can analyze the genome of a single cell, they must first obtain sufficient amounts of its DNA by whole genome amplification (WGA).

Carnegie Mellon University launches carbon emissions index
Mitsubishi Hitachi Power Systems and Carnegie Mellon University today announced the creation of a new index that will measure carbon dioxide emissions from the US electrical power generation sector.

First patient cured of rare blood disorder
Using a technique that avoids the use of high-dose chemotherapy and radiation in preparation for a stem cell transplant, physicians at the University of Illinois Hospital & Health Sciences System have documented the first cure of an adult patient with congenital dyserythropoietic anemia.

TB/HIV co-infections up 40 percent across Europe over the last five years
New data released today by the European Centre for Disease Prevention and Control (ECDC) and the WHO Regional Office for Europe ahead of World TB Day show that new tuberculosis (TB) cases and deaths in the 53 countries of the WHO European Region declined each year by 4.3% and 8.5% respectively between 2011 and 2015.

Chicago's red-light camera program has significant safety benefits
Chicago's red-light cameras reduce serious injury crashes at intersections where they are placed and also have a measurable 'spillover effect' that improves safety at intersections without cameras, according to a new Northwestern University Transportation Center study.

A pocket-sized retina camera, no dilating required
Researchers at the University of Illinois at Chicago College of Medicine and Massachusetts Eye and Ear/Harvard Medical School have developed a cheap, portable camera that can photograph the retina without the need for pupil-dilating eye drops.

New feedback system could allow greater control over fusion plasma
A physicist has created a new system that will let scientists control the energy and rotation of plasma in real time in a doughnut-shaped machine known as a tokamak.

Vaccine, improved treatment are keys to control of a surging HIV pandemic
Development and widespread use of a vaccine that's even partially effective against HIV, along with more progress toward diagnosis and treatment, offer the best hopes for turning the corner on a global pandemic that's still spiraling out of control, researchers reported today.

Years after diagnosis, many young cancer survivors continue to struggle socially
A new study indicates that the social difficulties faced by many adolescent and young adult cancer survivors often persist for years after their diagnosis.

Mutants in microgravity
A proof-of-concept investigation, Nanobiosym Genes, is sending two strains of Staphylococcus aureus bacteria to the International Space Station.

Single-cell analysis reveals subtypes of colorectal tumors
Combining single-cell genomics and computational techniques, a research team including Paul Robson, Ph.D., director of single-cell biology at The Jackson Laboratory, has defined cell-type composition of cancerous cells from 11 colorectal tumors, as well as adjacent noncancerous cells, a key to more targeted diagnosis and treatment.

Last remnant of North American ice sheet on track to vanish
The last piece of the ice sheet that once blanketed much of North America is doomed to disappear in the next several centuries, says a new study by researchers at Simon Fraser University in British Columbia and the University of Colorado Boulder.

'Flying saucer' quantum dots hold secret to brighter, better lasers
By carefully controlling the size of the quantum dots, the researchers can 'tune' the frequency, or color, of the emitted light to any desired value.

'Flying saucer' colloidal quantum dots produce brighter, better lasers
A multi-institutional team of researchers from Canada and the US has demonstrated steady state lasing with solution-processed nanoparticles called 'colloidal quantum dots,' an important step on the path to improving laser tools for fiber optics, video projectors and more accurate medical testing technology.

Trichomonosis: A conundrum in cats
Over the past two decades, the protozoan Tritrichomonas foetus has come to be recognized as a cause of chronic colitis in cats in many countries worldwide.

NTU Singapore and Schaeffler set up joint lab to develop smart mobility devices
In the future, you could get off the train and hop onto an electric kickboard equipped with a smart unit that can warn you of potential hazards while it navigates you home.

Genetic mutations help brain tumors evade targeting by immunotherapy treatments
In a study published this week in the JCI, Hideho Okada's lab at UCSF investigated whether acquired mutations in the enzyme isocitrate dehydrogenase (IDH), which are common in low-grade gliomas, help these tumors become resistant to immunotherapy.

Parsley and other plants lend form to human stem cell scaffolds
Scientists at the University of Wisconsin-Madison are using the decellularized husks of plants such as parsley, vanilla and orchids to form three-dimensional scaffolds that can then be primed and seeded with human stem cells to optimize their growth in the lab dish and, ultimately, create novel biomedical implants.

Does Mars have rings? Not right now, but maybe one day
Purdue researchers developed a model that suggests that debris that was pushed into space from an asteroid or other body slamming into Mars around 4.3 billion years ago and alternates between becoming a planetary ring and clumping up to form a moon.

Scientists created nanopowders for the synthesis of new aluminum alloys
The research team of Siberian Federal University together with the scientists of the Krasnoyarsk Scientific Center of the SB RAS has developed a method for the synthesis of aluminum alloys, the use of which will allow the creation of new types of products with improved characteristics based on aluminum.

Lust for power
Thanks to the discovery of a new material by University of Utah engineers, a cooking pan could generate enough electricity to charge a cellphone in just a few hours.

Microbes evolved to colonize different parts of the human body
Microbes have evolved over millions of years to live in and on all parts of the human body.

Primate-parasite network analyses show how germs jump from host to host
An extensive review of research on wild primate social networks and parasites underscores the importance of super-spreaders, or central individuals that play an outsized role in transmission of a pathogen.

Transport systems face disruption by extreme weather -- better risk management is needed
Extreme weather conditions due to climate change pose a new threat to ageing infrastructure.

Academics urged to strengthen ties to US peers in face of Trump travel ban
In the face of the Trump travel ban, academics must strengthen, rather than sever, ties to the United States, argues Dr.

New test detects early stage of wasting disease in cattle
Researchers at the National Institute for Mathematical and Biological Synthesis (NIMBioS) at the University of Tennessee, Knoxville, have identified a more sensitive test for detecting the early stages of paratuberculosis, a fatal disease that plagues dairy herds and causes an estimated annual loss of up to $250 million to the US dairy industry.

Parasitic fish offer evolutionary insights
Lamprey show that vertebrates once might have relied on a different mechanism for developing neurons in the gut.

Gardening worms and climate change undermine natural coastal protection
Dikes could be lower if they are protected against the waves by grassy marshes.

Research spotlights early signs of disease using infrared light: New research
University of Sydney researchers have used infrared spectroscopy to spotlight changes in tiny cell fragments called microvesicles to probe their role in a model of the body's immunological response to bacterial infection.

Revised understanding of graft-versus-host disease origins offers new direction for potential therapy
An international research team led by the University of Michigan Life Sciences Institute is changing the understanding of the key cellular and molecular events that trigger graft-versus-host disease, an often fatal complication of bone marrow transplants.

Studies of scientific bias targeting the right problems, Stanford-led study finds
In all fields of science, small studies, early studies and highly cited studies consistently overestimate effect size, according to a study led by researchers at the Stanford University School of Medicine.

New catalysts mimic human vision
Light sensitive molecules trigger vision inside our retinas. This phenomenon inspired ICIQ researchers to create a new family of eco-friendly catalysts activated by purple LEDs for unprecedented transformations.

Piece of mind
With just an inexpensive micro-thin surgical needle and laser light, University of Utah engineers have discovered a minimally invasive, inexpensive way to take high-resolution pictures of an animal brain, a process that also could lead to a much less invasive method for humans.

Researchers gain insight into day-to-day lives of parents raising children with autism
A new study by the University of Wisconsin-Madison looks at the daily experiences of the parents of children with autism spectrum disorder to provide a more detailed picture of the strengths and vulnerabilities of couples raising a child with ASD.

Treatment window for fragile x likely doesn't close after childhood
A Drexel University-led study looked into human and rat brain samples and found that the biological structures potentially contributing to Fragile X syndrome are present in adult brains -- something that mouse samples did not show.

Enzyme helps bacteria defend themselves against oxidants secreted by immune system
Brazilian researchers identified biological substrates of bacterial enzyme Ohr, a potential target for drug development that could plays a central role in bacterial anti-oxidant defense.

NASA's Swift mission maps a star's 'death spiral' into a black hole
Astronomers measured the light produced when a sun-like star wandered too close to a 3-million-solar-mass black hole similar to the one at the center of our own galaxy.

Mystery of how sperm swim revealed in mathematical formula
Researchers have developed a mathematical formula based on the rhythmic movement of a sperm's head and tail, which significantly reduces the complexities of understanding and predicting how sperm make the difficult journey towards fertilizing an egg.

Researchers explore a new method to study cholesterol distribution on cells
Researchers have developed a new way of visualizing the distribution of cholesterol in cells and tissues.

Abortion restriction may have new momentum after 40 years of pervading policy
Originally a single-sentence prohibition on Medicaid funding for abortion, the Hyde Amendment has provided the blueprint for ever-expanding prohibitions on public expenditure for the procedure.

Winter sets up breeding success: Study
A new study by University of Guelph biologists suggests the number of songbirds breeding during spring and summer depends mostly on what happens at their wintering grounds.

New twist on sofa problem that stumped mathematicians and furniture movers
With some help from 3-D printing, a UC Davis mathematician is trying to crack a problem that frustrates both mathematicians and furniture movers: what's the largest sofa you can fit round a corner?

How fullerite becomes harder than diamond
The scientists suggested that under pressure, part of the fullerite turned into diamond, while the other part remained as fullerite, but in a compressed state within the diamond.

FDA-approved all oral DAA regimens show high cure rate for hepatitis C
FDA-approved oral direct-acting antiviral (DAA) regimens produce high sustained virologic response rates for all six hepatitis C virus genotypes and for patient populations historically considered difficult to cure.

Study estimates perinatal HIV infection among infants born in US 2002-2013
A new article published online by JAMA Pediatrics estimates there were 69 perinatal human immunodeficiency virus (HIV) infections among infants born in the United States in 2013 (1.75 per 100,000 live births), down from an estimated 216 perinatal HIV infections among infants born in 2002 (5.37 per 100,000 live births).

Critical thinking instruction in humanities reduces belief in pseudoscience
A recent study finds that teaching critical thinking skills in a humanities course significantly reduces student beliefs in 'pseudoscience' that is unsupported by facts.

Molecular motor-powered biocomputers
A five-year, €6.1 million EU-Horizon 2020 project aims to build a new type of powerful computer based on biomolecules.

Orbital ATK Cygnus set to deliver research to space station
Orbital ATK is targeted to launch its Cygnus spacecraft into orbit for a resupply mission to the International Space Station March 24, 2017 from Cape Canaveral Air Force Station in Florida.

Rocking the fall zone
Geoscientists from the southeastern United States and beyond will convene in Richmond, Virginia, on March 30-31 to discuss new science, expand on existing science, and explore the unique geologic features of the region.

Study shows stem cell therapy is safe for stroke patients; may aid recovery if given early
A multicenter trial looking at whether a single dose of millions of adult, bone-marrow-derived stem cells can aid stroke recovery indicates it's safe and well-tolerated by patients but may not significantly improve their recovery within the first three months, researchers report.

Claims-based classification system could facilitate payer identification of academic radiologist sub
A new study by the Harvey L. Neiman Health Policy Institute presents initial validation of a novel payer claims-based system using imaging examination modality and body region for classifying radiologists' subspecialty.

Tweeting in times of emergency
US researchers have assessed the impact of Twitter on the reach and efficacy of information sharing by a global disaster response organization, the Red Cross/Red Crescent.

Tracing down linear ubiquitination
Researchers at the Goethe University Frankfurt, together with partners from the University of Tübingen in Germany and Queen Mary University as well as Francis Crick Institute from London (UK) have developed a novel technology to decipher the secret ubiquitin code.

During learning, neurons deep in brain engage in a surprising level of activity
An international team of researchers has learned something surprising about the cerebellum, perhaps best known as the part of the brain that makes sure you cannot tickle yourself.

How plants can tell friend from foe
The plant's immune system can recognize whether a piece of RNA is an invader or not based on whether the RNA has a threaded bead-like structure at the end, say University of Tokyo researchers.

A simple fix to avoid some unnecessary coronary stents
Physician researchers at Thomas Jefferson University suspect that some cases of coronary artery spasm go unrecognized and are incorrectly treated with stents.

Courtship behavior trapped in 100-million-year-old amber
Dr. Zheng Daran and Professor Wang Bo from Nanjing Institute of Geology and Palaeontology described three male damselflies showing ancient courtship behavior from mid-Cretaceous Burmese amber.

Risk of liver disease and cancer starts from adolescence in overweight or obese men
Young men who are overweight or obese could run a higher risk of developing severe liver disease or liver cancer in later life, suggests research published online in the journal Gut.

Researchers discover key to drug resistance in common breast cancer treatment
Scientists from the Florida campus of The Scripps Research Institute (TSRI), the University of California (UC), San Diego and the University of Illinois have found that two immune system molecules may be key to the development of drug resistance in estrogen-driven breast cancers.

Healthy weight gain in infants
With nearly 10 percent of infants considered 'high weight for length,' University of Delaware researcher Jillian Trabulsi wants to help babies achieve a healthy weight starting with their first months of life.

Unexpected, star-spangled find may lead to advanced electronics
In a recent study, University of Texas at Dallas researchers describe a material that, when heated to about 450 degrees Celsius, transforms from an atomically thin, two-dimensional sheet into an array of one-dimensional nanowires, each just a few atoms wide.

Penn researchers discover test for earlier detection of transplant rejection
Researchers at the Perelman School of Medicine at the University of Pennsylvania have discovered a method that appears to provide earlier warning of organ transplant rejection compared to standard methods, and requires only a blood test rather than a more invasive and painful needle biopsy.

Vitamin E, selenium supplements did not prevent dementia
Antioxidant supplements vitamin E and selenium -- taken alone or in combination -- did not prevent dementia in asymptomatic older men, according to a study published online by JAMA Neurology.

Tethered nanoparticles make tumor cells more vulnerable
MIT researchers have devised a way to make cancer cells more susceptible to certain types of cancer treatment, by coating the cells with nanoparticles before delivering drugs.

Reconsider the impact of trees on water cycles and climate, scientists ask
Forests and trees play a major role on water cycles and cooler temperatures, contributing to food security and climate change adaptation.

Using virtual reality to catch a real ball
Disney Research scientists have found innovative ways to enhance virtual experiences involving interactions with physical objects by showing how a person using a virtual reality system can use it to reliably catch a real ball.

A 48-hour sexual 'afterglow' helps to bond partners over time
Sex plays a central role in reproduction, and it can be pleasurable, but new findings suggest that it may serve an additional purpose: bonding partners together.

Critical Path Institute launches type 1 diabetes consortium
C-Path is pleased to announce the launch of the Type 1 Diabetes (T1D) Consortium, funded by the Helmsley Charitable Trust, Janssen R&D, JDRF, and Sanofi.

Novel genes identified that help suppress prostate and other cancers
New genes which help prevent prostate, skin and breast cancer development in mice have been discovered by researchers at the Wellcome Trust Sanger Institute and their collaborators.

Less radiation in inner Van Allen belt than previously believed
The inner Van Allen belt has less radiation than previously believed, according to a recent study in the Journal of Geophysical Research.

Research teaches machines to decipher the dawn chorus
Innovative research looking at the timing and sequence of bird calls could provide new insight into the social interaction that goes on between birds.

The incorporation into the body of metals from the River Deba sediments is simulated
Researchers in the UPV/EHU's Department of Chemical Engineering and the Environment have shown that not all the metal contained in the river's sediments directly affects human health but that only a fraction of these metals can be incorporated into the human body.

2017 International Meeting for Autism Research (IMFAR): May 10-13 in San Francisco
The world's leading autism researchers, delegates, clinicians, students and parents will gather in San Francisco on May 10-13 for the 16th Annual International Meeting for Autism Research to exchange and disseminate the latest discoveries into the nature, causes and treatments for autism spectrum disorder.

Aligning depression treatment to patient need leads to efficient care
Not all depressed patients need intensive therapy, according to new research from Robert DeRubeis and Ph.D. student Lorenzo Lorenzo-Luaces of the University of Pennsylvania.

Deep brain stimulation provides long-term relief from severe depressions
Doctors at the Medical Center -- University of Freiburg produce the first evidence of the method's lasting effectiveness in a four-year study.

End-of-life planning talks often fail to communicate goals
Too few older adults plan ahead for end-of-life medical decisions.

Disrupting prostate cancer 'homing signal' could hold promise for new treatments
New King's College London research sheds light on the cellular mechanisms which enable cancer cells to escape the prostate and spread to other parts of the body.

New species of Brazilian copepod suggests ancient species diversification and distribution
A new species and genus of a tiny freshwater copepod has been found in the Brazilian rocky savannas, an ecosystem under heavy anthropogenic pressure.

Unforeseen impacts of the fair trade movement
Fair trade certified coffee is the kind of phrase that sounds good on a Whole Foods shelf, merging first world affluence with third world resource.

New technologies in the air by NTU Singapore and Camfil to improve indoor air quality
Nanyang Technological University, Singapore (NTU Singapore) and Swedish company Camfil, a global leader in the air filtration industry, are collaborating to develop innovative solutions to improve air filtration efficiency and indoor air quality.

New in the Hastings Center Report
How should the field of bioethics respond to the resurgence of authoritarian populism across the globe?

Coffee shops, 24-hour ATMs the best locations for life-saving AEDs, research shows
Tim Horton's tops the list: U of T Engineering researchers studied data on cardiac arrest locations in Toronto to draft a list of 'top 10' businesses where placing automated external defibrillators would save lives.

Stem cells seem speedier in space
Growing significant numbers of human stem cells in a short time could lead to new treatments for stroke and other diseases.

The New England Journal of Medicine hosts summit to explore clinical trial data sharing
The New England Journal of Medicine (NEJM) will host the 'Aligning Incentives for Sharing Clinical Trial Data' summit and live web event on April 3-4, 2017 in Boston, MA.

Scientists find possible Achilles heel of treatment-resistant cancers
Scientists identify two signaling proteins in cancer cells that make them resistant to chemotherapy, and show that blocking the proteins along with chemotherapy eliminate human leukemia in mouse models.

A new perspective on the European colonization of Asia
Although James Cook's 18th century expeditions into the South Pacific Ocean are considered historical feats, Spanish voyages of discovery in this region preceded them.

DNA labels predict mortality
Methyl labels in the DNA regulate the activity of our genes and, thus, have a great influence on health and disease.

Poison centers receive 32 calls a day about kids exposed to prescription opioids
A new study found that there were more than 188,000 calls to US Poison Control Centers for pediatric exposure to opioids from January 2000 through December 2015, averaging 32 calls a day or one every 45 minutes.

Pembrolizumab shows promise in treatment of mesothelioma
Pembrolizumab, an antibody drug already used to treat other forms of cancer, can be effective in the treatment of the most common form of mesothelioma, according to a new study led by investigators from the Perelman School of Medicine at the University of Pennsylvania.

Mars volcano, Earth's dinosaurs went extinct about the same time
Arsia Mons produced one new lava flow at its summit every 1 to 3 million years during the final peak of activity, about 50 million years ago.

Gay men and lesbian women less likely to be employed in a leadership position
Gay men and lesbian women face discrimination when seeking leadership positions due to the sound of their voice, a new study in the Archives of Sexual Behaviour has found.

Hubble's glittering frisbee galaxy
Hubble caught a cross-section of NGC 1448, a spiral galaxy located about 50 million light-years from Earth.

Altering pH bumps prions out of danger zone
New research led by Michigan State University and published in the current issue of the Proceedings of the National Academy of Sciences, offers hope by showing how we might prevent prions from aggregating or growing into deadly diseases.

For this New Zealand parrot, 'laughter' is contagious
When people are feeling playful, they giggle and laugh, making others around them want to laugh and play too.

Nurses adopt plant-based prescription, boost health outcomes
Joanne Evans, M.Ed., R.N., P.M.H.C.N.S.-B.C., provided a presentation to colleagues at George Mason University in Fairfax, Va., about the health benefits of adopting a plant-based vegan diet and soon had 19 nurses eager to test it out.

Protein could prevent brain damage caused by stroke
A small protein that could protect the brain from stroke-induced injury has been discovered by researchers from the University of Queensland and Monash University.

World Happiness Report ranks Canada 7th happiest country in the world
Canada is the seventh happiest country in the world, according to the 2017 World Happiness Report edited by CIFAR Co-Director John F.

How protein modifications influence apoptosis
Members of the Faculty of Fundamental Medicine, the Lomonosov Moscow State University have described molecular mechanisms of how post-translational modifications of caspases, a family of proteolytic enzymes, exert their activation and function during apoptosis, an example of the process of programmed cell death.

Microorganisms in the subsurface seabed on evolutionary standby
Through genetic mutations microorganisms normally have the ability to develop new properties over a short time scale.

Long-term limitations imposed on patients with pulmonary embolism
A multi-centre clinical study, led by Dr. Susan Kahn at the Jewish General Hospital (JGH), determined that nearly half of the patients who suffer a pulmonary embolism (PE) -- a blood clot in the lung -- experience long term limitations to their capacity for physical activity and that this had a negative impact on their quality of life.

New program improves hearing aid use for older adults
A new hearing aid adjustment program created by Kari Lane, assistant professor in the Sinclair School of Nursing at the University of Missouri, might significantly improve hearing aid wear time among older adults.

Will AAV vectors have a role in future novel gene therapy approaches?
Recombinant adeno-associated virus (rAAV) vectors for delivering therapeutic genes have demonstrated their safety in multiple diseases and clinical settings over the years and are a proven and effective tool that can be used to deliver new gene editing and replacement and genome modification technologies.

Team nebulizes aphids to knock down gene expression
Researchers are nebulizing soybean aphids with RNA to speed the process of discovering the function of many mystery genes.

Anti-bacterial discovery will prevent infections spreading on medical devices
Bacterial biofilms frequently attach to medical devices in the body, such as hip replacements and heart valves, after surgery.

Environmental researchers win Mahathir Science Award
Work by a trio of University of Queensland researchers and their teams to help save tropical habitats has prompted government policy changes in Malaysia, Indonesia and around the world.

Coffee shops, ATMs may be ideal locations for lifesaving AEDs
Community coffee shops and automated teller machines, or ATMs, might be ideal locations for public access to automated external defibrillators (AEDs).

Radiotherapy risks are much higher for smokers
Smokers treated for breast cancer have much higher risks than non-smokers of developing lung cancer or heart attack as a result of radiotherapy -- according to a new study funded by Cancer Research UK and published today in the Journal of Clinical Oncology.

Growing global temperatures could be contributing to rising diabetic numbers
Rising temperatures across the world may be playing a part in the growing numbers of people developing diabetes, suggests research published online in the journal BMJ Open Diabetes Research & Care.

Adult subcortex processes numbers with the same skill as infants
Despite major brain differences, many species from spiders to humans can recognize and differentiate relative quantities.

People remain calm as the world ends, video game study suggests
As the world ends, will you lock arms and sing 'Kumbayah' or embark on a path of law-breaking, anti-social behavior?

Yale-led study: Wild chimpanzees have surprisingly long life spans
A 20-year demographic study of a large chimpanzee community in Uganda's Kibale National Park has revealed that, under the right ecological conditions, our close primate relatives can lead surprisingly long lives in the wild.

Studying midwest soil production, erosion and human impacts
Larsen and colleagues will study Midwest soils where remnants of the native prairie still exist, specifically in Iowa, Illinois, Minnesota, Nebraska and South Dakota. 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