Brightsurf Science News & Current Events

May 17, 2018
Want to help your child succeed in school? Add language to the math, reading mix
A University of Washington study finds that a child's language skills in kindergarten can predict his or her future proficiency in other subjects.

Food security and health: Revenge of the nasty fungi
Fungi can evolve so swiftly to counter the chemical treatments designed to protect health and food, in much the same way as bacteria change in the face of increasingly powerful antibiotics, that urgent action is necessary to control this rapid emergence of resistant strains.

Marine animals have been following their preferred climate for millions of years
Current global warming has far-reaching ecological consequences, also for the Earth's oceans.

Improving survival in pancreatic cancer with platinum-based chemotherapy
A small study of adults with the most common form of pancreatic cancer adds to evidence that patients with BRCA1 or BRCA2 gene mutations long linked to a high risk of breast cancer have poorer overall survival rates than those without the mutations.

Morris Animal Foundation study identifies new virus in cat
Morris Animal Foundation-funded researchers from the University of Sydney have found a previously undiscovered hepadnavirus in an immunocompromised cat, and subsequently in banked samples.

Discovery will impact design of drug delivery systems at the molecular level
Researchers at Houston Methodist and Rice University have made a discovery that will impact the design of not only drug delivery systems, but also the development of newer applications in water filtration and energy production.

Big data reveals new Alzheimer's risk genes
An international research team has identified three new genes linked to the risk of Alzheimer's disease.

A bolt of insight
The Telescope Array detected 10 bursts of downward terrestrial gamma-ray flashes (TGFs) between 2014 and 2016, more events than have been observed in rest of the world combined.

Buyer beware: Some water-filter pitchers much better at toxin removal
Scientists from The Ohio State University compared three popular pitcher brands' ability to clear dangerous microcystins from tap water.

Functional films made of environmentally friendly clay minerals and dyes
Researchers from Tokyo Metropolitan University and Shimane University have created a transparent hybrid film that combines natural clay minerals and dyes into a material that changes color in response to environmental humidity.

Biodiversity suffers as climate warms
High levels of warming will lead to systemic ecological simplification, a process where many 'climate losers' are replaced by far fewer 'climate winners.' Such a simplified ecological landscape could have impacts on ecosystem services such as water quality, soil conservation, flood prevention, all of which are important for human well-being.

Sugars in infant formulas pose risk to babies with inherited metabolic disorder
Babies with inherited intolerance of fructose face a risk of acute liver failure if they are fed certain widely available formulas containing fructose, pediatricians and geneticists are warning.

UBC Okanagan researchers develop faster test for cannabis quality
Researchers at UBC's Okanagan campus have developed a new method of measuring phytocannabinoids -- the primary bioactive molecules in cannabis -- that will lead to faster, safer and more accurate information for producers, regulators and consumers alike.

Critically endangered South American forests were man made
Critically endangered South American forests thought to be the result of climate change were actually spread by ancient communities, archaeologists have found.

Blood type affects severity of diarrhea caused by E. coli
A new study shows that a kind of E. coli most associated with 'travelers' diarrhea' and children in underdeveloped areas of the world causes more severe disease in people with blood type A.

Behavioral health workforce faces critical challenges in meeting population needs
The US mental health system faces considerable challenges in delivering behavioral healthcare to populations in need.

Supersonic waves may help electronics beat the heat
Researchers at the Department of Energy's Oak Ridge National Laboratory made the first observations of waves of atomic rearrangements, known as phasons, propagating supersonically through a vibrating crystal lattice--a discovery that may dramatically improve heat transport in insulators and enable new strategies for heat management in future electronics devices.

Amateur astronomer's data helps scientists discover a new exoplanet
Scientists of the international project 'Kourovka Planet Search,' organized at Kourovka Astronomical Observatory of Ural Federal University, discovered a new planet outside the solar system (exoplanet).

One way social isolation changes the mouse brain
Social isolation is an intensely stressful environment for mice. When animals are stressed, they generally become much more reactive to a variety of negative stimulants, and these reactions or behaviors persist longer than in non-stressed animals.

What bacteria can teach us about combating atrazine contamination
Researchers at the Commonwealth Scientific and Industrial Research Organization of Australia, or CSIRO, are interested in harnessing the bacterial ability to degrade atrazine in order to remediate atrazine-polluted environments.

Young people are choosing marijuana before cigarettes and alcohol
More young people are turning to marijuana as their first substance of choice, rather than smoking cigarettes or drinking alcohol, says Brian Fairman of the National Institute of Child Health and Human Development in the US, in Springer's journal Prevention Science.

Supercomputing the emergence of material behavior
Chemists at the University of California, San Diego designed the first artificial protein assembly (C98RhuA) whose conformational dynamics can be chemically and mechanically toggled.

International consortium wants to sequence the DNA of 1.5 million species
The purposes and the challenges of Earth Biogenome Project, which aims at sequencing the genome from all eukaryotic species, are described in article at PNAS.

Albatross robot takes flight
A new MIT autonomous glider can fly like an albatross, cruise like a sailboat

Pig immunology comes of age: Killer T cell responses to influenza
Researchers from The Pirbright Institute, University of Bristol, Cardiff University and University of Oxford have generated tools that allow scientists to understand a vital area of the pig immune system which was previously inaccessible.

Study co-authored by UCLA scientists shows evidence of water vapor plumes on Jupiter moon
A combination of new modeling techniques and data from the Galileo spacecraft's flyby of Jupiter's icy moon Europa back in 1997 have revealed additional evidence of eruptions of water vapor, or plumes, venting from the moon.

Viewing more medical marijuana ads linked to higher pot use among adolescents
As prohibitions on the sale and use of marijuana ease, one result is more advertising about cannabis.

Arthritis drugs potentially safe for expectant mothers
A new study led by a team at the Research Institute of the MUHC (RI-MUHC) in Montreal has revealed that pregnant women with rheumatoid arthritis (RA) may be able to use certain RA drugs without possible increased health risks to their unborn babies.

Probiotics to protect bees from an infection associated with colony collapse disorder
Adding probiotics to bees' food helps make them more resistant to nosemosis, a fungal infection associated with colony collapse disorder that has been observed in Europe and North America over the past 20 years.

Emergency contact information helps researchers branch out family tree
A collaborative team of researchers from three major academic medical centers in New York City is showing that emergency contact information, which is included in individuals' electronic health records (EHRs), can be used to generate family trees.

AgriLife scientists uncover a new face of a famous protein, SWI2/SNF2 ATPase
A team of Texas A&M and Texas A&M AgriLife Research scientists now have a deeper understanding of a large switch/sucrose non-fermentable (SWI/SNF) protein complex that plays a pivotal role in plant and human gene expression that causes life-threatening diseases such as cancer.

After 60 years, Isle Royale continues world's longest predator-prey study
The 2018 report is out: two wolves, almost 1,500 moose and an ecosystem in transition.

Automated system better identifies patients at risk for ventilator-associated pneumonia
An automated system developed at Massachusetts General Hospital for identifying patients at risk for complications associated with the use of mechanical ventilators provided significantly more accurate results than did traditional surveillance methods, which rely on manual recording and interpretation of individual patient data.

Male depression may lower pregnancy chances among infertile couples, NIH study suggests
Among couples being treated for infertility, depression in the male partner was linked to lower pregnancy chances, while depression in the female partner was not found to influence the rate of live birth, according to a study funded by the National Institutes of Health.The study, which appears in Fertility and Sterility, also linked a class of antidepressants known as non-selective serotonin reuptake inhibitors (non-SSRIs) to a higher risk of early pregnancy loss among females being treated for infertility.

World's protected areas being rapidly destroyed by humanity
One-third of the world's protected land is under intense human pressure, according to an international study described as 'a stunning reality check' on efforts to avert a biodiversity crisis.

Robots grow mini-organs from human stem cells
A robotic system has been developed to automate the production of human mini-organs derived from stem cells.

How Nagana is carried by tsetse flies
Researchers at the University of Bristol have revealed new details on how the animal disease Nagana is spread by tsetse flies in Africa.

What's trending in fake news? IU tool show what stories go viral, and if bots are to blame
Researchers at the Indiana University Observatory on Social Media have launched upgrades to two tools playing a major role in the fight against the spread of misinformation online.

PharmaMar announces data presentations: Yondelis® and lurbinectedin at ASCO
During the Congress of the American Society of Clinical Oncology (ASCO) that will be held form the June 1-5 in Chicago (USA), PharmaMar will present the data obtained from various clinical studies of the molecules Yondelis ®, lurbinectedin (PM1183) and plitidepsin.

Limiting warming to 1.5 degree C would save majority of global species from climate change
New research finds that limiting global warming to 1.5 degrees C would save the majority of the world's plant and animal species from climate change.

A way to prevent pancreatic cancer from spreading post-surgery?
New research suggests a strategy for lowering the odds of metastasis following successful pancreatic cancer surgery: The post-operative period, suggests CSHL Professor Douglas Fearon, 'offers a window during which efforts might be made to keep cortisol levels down and T cells strong so the patient's own immune system can kill the cancer cells that have made their way to other parts of the body but until this point have been dormant.'

Detecting the shape of laser pulses
A team of researchers at the Center for Relativistic Laser Science, within the Institute for Basic Science (IBS) have developed a method to measure the shape of laser pulses in ambient air.

One-third of world's 'protected' areas under intense human pressure
Globally, one-third of protected land is under intense human pressure from processes including road building, grazing, and urbanization, according to a new study.

High stakes for biodiversity, depending on which climate change target we reach
A new assessment finds that, by 2100, the number of plant and vertebrate species losing more than half of their natural ranges will double if global warming is limited to 2°Celsius (C), rather than 1.5°C; insects are projected to be impacted the most, with 18 percent losing over half of their natural ranges under the warmer scenario.

Self-assembling 3D battery would charge in seconds
A cross-campus collaboration led by Ulrich Wiesner, professor of engineering in the at Cornell University, addresses this demand with a novel energy storage device architecture that has the potential for lightning-quick charges.

Injections for knee osteoarthritis -- 'subtle but significant' impact of revisions in clinical practice guidelines
Recent updates in evidence-based recommendations have led to changes in the use of steroid and hyaluronic acid injection for patients with osteoarthritis of the knee, reports a study in the May 16, 2018 issue of The Journal of Bone & Joint Surgery.

How accurate is breath test for diagnosis esophagogastric cancer?
A breath analysis test to diagnose esophagogastric (esophagus or stomach) cancer showed good diagnostic accuracy in a study of 335 patients, including 172 patients already diagnosed with that cancer.

Learning music or speaking another language leads to more efficient brains
Whether you learn to play a musical instrument or speak another language, you're training your brain to be more efficient, suggests a Baycrest study.

Bone scan software accurately calculates prognosis of advanced prostate cancer
A software tool to automatically calculate how extensively bones have been infiltrated by prostate cancer is both accurate and speedy, capturing key prognostic information related to survival and the development of symptoms over time.

The superhero semiconductor: Inflexible during the day, but bendy at night
Scientists have discovered that a type of inorganic semiconductor, which doesn't deform well under light, can bend a whopping 45 percent from its original form when in the dark.

University of Kent scientists make vitamin B12 breakthrough
Scientists at the University of Kent have made a significant discovery about how the vitamin content of some plants can be improved to make vegetarian and vegan diets more complete.

Hospitalized patients with acute kidney injury have increased risk of heart failure
Hospitalized patients who experience acute kidney injury face a 44 percent greater risk of heart failure during their first year after leaving the hospital, according to new Kaiser Permanente research published today in the Clinical Journal of the American Society of Nephrology.

Study shows New Zealand has its own population of blue whales
A group of blue whales that frequent the South Taranaki Bight (STB) between the North and South islands of New Zealand appears to be part of a local population that is genetically distinct from other blue whales in the Pacific Ocean and Southern Ocean, a new study has found.

Resistance to antifungal drugs could lead to disease and global food shortages
Growing levels of resistance to antifungal treatments could lead to increased disease outbreaks and affect food security around the world.

What happens if we run out?
What happens when pests resist all forms of herbicides and pesticides?

Above us only sky -- The open air as an underappreciated habitat
Scientists from the Leibniz Institute for Zoo and Wildlife Research (IZW) in Berlin have collated the current scientific knowledge on potential hazards to one group of animals flying at high altitudes, bats.

New blood test rapidly detects signs of pancreatic cancer
UC San Diego researchers have developed a test that can screen for pancreatic cancer in just a drop of blood.

Evaluating active pressure management of induced earthquakes
Can altering the amount or rate of fluid injection and production in an oil and gas field or carbon storage site affect induced earthquakes in that field?

Hubble shows the local Universe in ultraviolet
Using the unparalleled sharpness and ultraviolet observational capabilities of the NASA/ESA Hubble Space Telescope, an international team of astronomers has created the most comprehensive high-resolution ultraviolet-light survey of star-forming galaxies in the local Universe.

Battling bubbles: How plants protect themselves from killer fungus
In the battle between plants and pathogens, molecules called small RNAs are coveted weapons used by both invaders and defenders.

Levers and zippers in the cell's 'customs'
The passage of ions through the cell membrane is controlled by ion channels, which are protein complexes that regulate vital processes, such as the heartbeat, as well as being the target towards which many drugs are directed.

Riding bacterium to the bank
Jet fuel, pantyhose and plastic soda bottles: all three could be made from bioengineered bacteria, as Sandia National Laboratories has now demonstrated.

Doctors in US and Canada launch sweeping pharmaceutical reform proposal
A group of 21 physician leaders published a comprehensive proposal to ensure universal access to safe, innovative, and affordable medications.

New study could improve monitoring of tropical trees in face of climate change
Experts have challenged the principle that tropical ecosystems are aseasonal -- after discovering regular cycles in fruiting, flowering and leafing in such climates.

New Zealand's secret recipe for active school travel: The neighborhood built environment
Increased rates of active travel (e.g., walking or cycling) to school in New Zealand children and youth were associated with shorter distances to school, and neighborhoods with more connected streets, less residential density, and lower socio-economic status, reveals a new systematic meta-analysis published in Journal of Transport and Health.

What we've learned about the nucleolus since you left school
The size of a cell's nucleolus may reveal how long that cell, or even the organism it belongs to, will live.

MIT researchers develop virtual-reality testing ground for drones
MIT engineers have developed a new virtual-reality training system for drones that enables a vehicle to 'see' a rich, virtual environment while flying in an empty physical space.

Immune cell provides cradle for mammary stem cells
Researchers have made new discoveries about how an immune cell known as the macrophage, which normally fights infection by swallowing foreign invaders, nurtures mammary gland stem cells through a chemical signaling molecule.

Reading histone modifications, an oncoprotein is modified in return
Turning genes on and off is an intricate process involving communication between many different types of proteins that interact with DNA.

One third of people aged 40-59 have evidence of degenerative disc disease
Researchers from Hebrew SeniorLife's Institute for Aging Research, and Boston Medical Center have reported that one-third of people 40-59 years have image-based evidence of moderate to severe degenerative disc disease and more than half had moderate to severe spinal osteoarthritis.

Ancient human remains and a mystery unearthed by ANU archaeologist
ANU Archaeologist Dr Catherine Frieman unearths and intact 4,000 year old human cremation in clay pottery urn on Cornish site she discovered by accident.

Can we get 100 percent of our energy from renewable sources?
In a review paper last year in Renewable and Sustainable Energy Reviews, Benjamin Heard and colleagues presented their case against 100 percent renewable electricity systems.

Climate-threatened animals unable to relocate
Many of the European mammals whose habitat is being destroyed by climate change are not able to find new places to live elsewhere.

Repeating seismic events offer clues about Costa Rican volcanic eruptions
Repeating seismic events--events that have the same frequency content and waveform shapes--may offer a glimpse at the movement of magma and volcanic gases underneath Turrialba and Poas, two well-known active volcanoes in Costa Rica.

Advanced materials: processing glass like a polymer
Pure quartz glass is highly transparent and resistant to thermal, physical, and chemical impacts.

How milk becomes cheese (video)
Making cheese is an ancient exercise in preserving the nutritional value of milk.

New catalyst upgrades greenhouse gas into renewable hydrocarbons
Research team out of U of T Engineering designs most efficient and stable process for converting climate-warming carbon dioxide into a key chemical building block for plastics -- all powered using renewable electricity.

Explaining the history of Australia's vegetation
University of Adelaide-led research has uncovered the history of when and why the native vegetation that today dominates much of Australia first expanded across the continent.

New genes found that determine how the heart responds to exercise
A new study by researchers at Queen Mary University of London and University College London has discovered 30 new gene locations that determine how the heart responds to and recovers from exercise.

Stem cell signaling drives mammary gland development and -- maybe -- breast cancer
A unique tissue type in many ways, the mammary gland is cloaked in mysteries that scientists puzzle over.

When farmers migrated to southeast Asia, according to the DNA
By analyzing genome-wide DNA from the remains of ancient Southeast Asian individuals, scientists have shed new light on the past 4,000 years of genetic history from the region.

Astronomers release most complete ultraviolet-light survey of nearby galaxies
Capitalizing on the unparalleled sharpness and spectral range of NASA's Hubble Space Telescope, an international team of astronomers is releasing the most comprehensive, high-resolution ultraviolet-light survey of nearby star-forming galaxies.

Little difference between gun owners, non-gun owners on key gun policies
A new national public opinion survey from the Johns Hopkins Bloomberg School of Public Health finds widespread agreement among gun owners and non-gun owners in their support for policies that restrict or regulate firearms.

New guidelines to help clinicians manage GSM in women with breast cancer
Although the genitourinary syndrome of menopause (GSM) is more prevalent in survivors of breast cancer than in other menopausal women, it is commonly undiagnosed and untreated.

Researchers mimic comet moth's silk fibers to make 'air-conditioned' fabric
In exploring the optical properties of the Madagascar comet moth's cocoon fibers, Columbia Engineering team discovers the fibers' exceptional capabilities to reflect sunlight and to transmit optical signals and images, and develops methods to spin artificial fibers mimicking the natural fibers' nanostructures and optical properties.

The ultrafast dance of liquid water
Typically we consider that water molecules in the liquid state move randomly on ultrafast timescales due to thermal fluctuations.

More than a living syringe: Mosquito saliva alone triggers unexpected immune response
Mosquito saliva alone can trigger an unexpected variety of immune responses in an animal model of the human immune system.

Porous materials make it possible to have nanotechnology under control
A University of Cordoba research team is able to stabilize different metallic nanostructures by encapsulating them in porous monocrystalline materials.

The right moves
New research in mice reveals how specialized neurons allow the brain to construct sequences of movements.

Ovarian cancer drug shows promise in pancreatic cancer patients with BRCA mutation
A targeted therapy that has shown its power in fighting ovarian cancer in women including those with BRCA1 and BRCA2 mutations may also help patients with aggressive pancreatic cancer who harbor these mutations and have few or no other treatment options.

Climate change broadens threat of emerald ash borer
More Canadian cities will experience damage from the emerald ash borer than previously thought.

Insect gene allows reproductive organs to cope with harmful bacteria
Bordenstein's team studied Nasonia parasitic wasps, which are about the size of a sesame seed, and they serve as one of the best models to dissect and characterize the evolution of insect genomes.

Keep saying yes to fish twice a week for heart health
A new scientific advisory from the American Heart Association reaffirms the Association's recommendation to eat two servings of fish per week.

'Undermatched' students less likely to graduate on time compared to peers
A new University at Buffalo study finds that undermatching -- when high-performing students, often from economically-disadvantaged households, attend less competitive colleges than their qualifications permit -- correlates to another higher education dilemma: delayed graduation.

New era for blood transfusions through genome sequencing
In a new study, investigators from Brigham and Women's Hospital and Harvard Medical School, as well as from the New York Blood Center have leveraged the MedSeq Project -- the first randomized trial of whole genome sequencing in healthy adults -- to develop and validate a computer program that can comprehensively and cost-effectively determine differences in individuals' blood types with more than 99 percent accuracy.

The survival of sea birds affected by ocean cycles
In a general context of climate change, researchers at the Centre d'écologie fonctionnelle et évolutive (CNRS/Université de Montpellier/Université Paul Valery/EPHE-PSL) and their international partners revealed the impact of ocean cycles, such as the Pacific decadal oscillation and El Niño, on the survival of the Nazca booby.

Continental shelf shape leads to long-lasting tsunami edge waves during Mexican earthquake
The shape of the continental shelf off the southern Mexican coast played a role in the formation of long-lasting tsunami edge waves that appeared after last September's magnitude 8.2 earthquake, according to researchers speaking at the SSA 2018 Annual Meeting.

Brain abnormality indicates general risk for mental illness
A new study by researchers at Duke University reports an abnormality in visual regions of the brain that is associated with a person's general risk for mental illness.

Rheumatoid arthritis drugs taken during pregnancy may not be linked to large infection risk in child
New research indicates that when pregnant women take certain rheumatoid arthritis (RA) drugs that may cause immunosuppression, their children do not have a marked excess risk of developing serious infections.

International study suggests combination therapy may prevent stroke in certain people
Results from an international clinical trial of more than 4880 participants, published in the New England Journal of Medicine, show that combining clopidogrel and aspirin following a small stroke or experiencing minor stroke symptoms decreases risk of a new stroke, heart attack or other ischemic event within 90 days.

A new system is designed that improves the quality of frozen horse sperm
The method reduces ice crystals that form during cryopreservation and affect spermatozoon structure.

Keep the light off: A material with improved mechanical performance in the dark
Nagoya University researchers found that zinc sulfide crystals were brittle under normal lighting conditions at room temperature, but highly plastic when deformed in complete darkness.

Surviving sepsis campaign update focuses on critical first hour
For patients with sepsis, a serious infection causing widespread inflammation, immediate treatment is essential to improve the chances of survival.

Single-tablet HIV treatment shows better outcomes over multi-tablet regimen
HIV patients on a single-tablet daily regimen had better outcomes than patients taking multiple pills per day, in a study that included a researcher at the Michael E.

Diabetes researchers find switch for fatty liver disease
Duke researchers have identified a key fork in the road for the way the liver deals with carbohydrates, fats and protein.

Feeding habits of ancient elephants uncovered from grass fragments stuck in their teeth
A new study, led by scientists at the Institute of Vertebrate Paleontology and Paleoanthropology in Beijing, China, including University of Bristol Ph.D. student Zhang Hanwen, examined the feeding habits of ancient elephant relatives that inhabited Central Asia some 17 million years ago.

Giving employees 'decoy' sanitizer options could improve hand hygiene
Introducing a less convenient option for hand sanitizing may actually boost workers' use of hand sanitizer and increase sanitary conditions in the workplace, according to findings in Psychological Science, a journal of the Association for Psychological Science.

Princeton researchers crowdsource brain mapping with gamers, discover 6 new neuron types
By turning a time-intensive research problem into an interactive game, Princeton neuroscientist Sebastian Seung has built an unprecedented data set of neurons, which he is now turning over to the public via the Eyewire Museum.

Tropical Cyclone 01A forms in northern Indian Ocean
Tropical Cyclone 01A quickly formed in the northern Indian Ocean and strengthened into a tropical storm.

Single surface protein boosts multiple oncogenic pathways in acute myeloid leukemia
Researchers from the Albert Einstein College of Medicine in New York have discovered that a signaling protein elevated in patients with acute myeloid leukemia (AML) plays a much wider role in the disease than previously thought.

Old drug provides promising new avenue for treatment of MND
An international study led by biochemists at the University of Liverpool has shown that the drug-molecule ebselen can correct many of the toxic characteristics of a protein that causes some cases of hereditary motor neurone disease (MND).

Microglia are key defenders against prion diseases
Prion diseases are slow degenerative brain diseases that occur in people and various other mammals.

Innovative light-delivery technique improves biosensors
There is a continuing need for practical chip-based sensors that can be used at the point of care to detect cancer and other diseases.

Hookah responsible for over half of tobacco smoke inhaled by young smokers
Smoking tobacco from a waterpipe, also known as a hookah, accounted for over half of the tobacco smoke volume consumed by young adult hookah and cigarette smokers in the US, a new University of Pittsburgh School of Medicine analysis discovered.

Major shift in marine life occurred 33 million years later in the South
A new study of marine fossils from Antarctica, Australia, New Zealand and South America reveals that one of the greatest changes to the evolution of life in our oceans occurred more recently in the Southern Hemisphere than previously thought.

Smarter brains run on sparsely connected neurons
The more intelligent a person, the fewer connections there are between the neurons in his cerebral cortex.

Throwing out food
Rational behavior is not the only thing that keeps Russians from throwing away food; many food-handling practices have been shaped by socio-cultural factors, including the gastronomic trauma suffered in times of famine and scarcity.

New method eliminates guesswork when lenses go freeform
Researchers at the University of Rochester's Center for Freeform Optics have combined theory and practice in a step-by-step method that eliminates much of the guesswork of using freeform lenses.

Scientists analyze first ancient human DNA from Southeast Asia
Harvard Medical School researchers lead the first whole-genome analysis of ancient human DNA from Southeast Asia Study identifies at least three major waves of human migration into the region over the last 50,000 years, each shaping the genetics of Southeast Asia

New algorithm more accurately predicts life expectancy after heart failure
A new algorithm developed by UCLA researchers more accurately predicts which people will survive heart failure, and for how long, whether or not they receive a heart transplant.

Antibacterial in your toothpaste may combat severe lung disease
Michigan State University researchers have found that when triclosan, a substance that reduces or prevents bacteria from growing, is combined with an antibiotic called tobramycin, it kills the cells that protect cystic fibrosis bacteria, known as Pseudomonas aeruginosa, by up to 99.9 percent.

How social isolation transforms the brain
Caltech researchers gain new insights into the brain mechanisms underlying the negative effects caused by long-term social isolation.

Surprise cell death discovery provides birth defect clues
Researchers have made a surprise discovery that could rewrite our understanding of the role programmed cell death plays in embryonic development and congenital birth defects.

A classifier of frog calls for fighting against climate change
The sounds of amphibians are altered by the increase in ambient temperature, a phenomenon that, in addition to interfering with reproductive behaviour, serves as an indicator of global warming.

Sex, viruses and cancer
A new study suggests that a common treatment for erectile dysfunction combined with the flu vaccine may be able to help the immune system mop up cancer cells left behind after surgery.

La Trobe's infection-busting discovery
A team of scientists from Melbourne's La Trobe University has shown a protein found in a tobacco plant has the potential to fight life-threatening infectious diseases.

How immune cells kill bacteria with acid
The first line of immune defense against invading pathogens like bacteria are macrophages, immune cells that engulf every foreign object that crosses their way and kill their prey with acid.

Chance discovery links inflammatory bowel disease with common bacterial gut toxin
New research has uncovered a surprise link between a common bacterial toxin found in the gut and inflammatory bowel disease (IBD). 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