Brightsurf Science News & Current Events

October 26, 2015
UGA researchers discover mechanism that could lead to better ovarian cancer treatment
Resistance to chemotherapy is a major problem for those suffering from ovarian cancer -- a problem that prevents a cure from a disease dubbed the 'silent killer.' University of Georgia researchers are giving patients new hope with recent findings that help pinpoint the mechanisms causing chemoresistance.

New microscope helps scientists see the big picture
A new microscope developed at the Howard Hughes Medical Institute's Janelia Research Campus is giving scientists a clearer, more comprehensive view of biological processes as they unfold in living animals.

NASA tracks Hurricane Patricia's remnants through Gulf states
As the remnants of Hurricane Patricia continue to generate flooding rainfall as it moved through the Gulf Coast states on Oct.

Musical activities benefit children with cochlear implants
Does musical activity help the language development of children who are born deaf and use cochlear implants?

A cancer diagnosis can lead to significant income losses for families
A new analysis indicates that when American adults are diagnosed with cancer, they experience significant decreases in the probability of working, in the number of hours they work, and correspondingly, in their incomes.

Study: Low-weight, high-repetition exercise increases bone density up to 8 percent in adults
A new research study published today in The Journal of Sports Medicine and Physical Fitness finds that low-weight, high-repetition resistance training increases bone mineral density in adults, challenging assumptions that heavy weight-training is required to build bone mineral density.

Breeding in the crowns of coconut palms
Control of coconut rhinoceros beetles is problematic on the island of Guam.

Extinction of Pleistocene herbivores induced major vegetation and landscape changes
The extinction of large herbivores such as mammoths could explain massive prehistoric changes in vegetation and landscape structure.

Fewer antibiotics, better outcomes for complicated appendectomy patients?
Antibiotics may not help in severe appendectomy cases. Indeed, they may make hospital stays longer, a new study finds.

'Love hormone' helps produce 'bliss molecules' to boost pleasure of social interactions
The hormone oxytocin, which has been associated with interpersonal bonding, may enhance the pleasure of social interactions by stimulating production of marijuana-like neurotransmitters in the brain, according to a University of California, Irvine study.

Loss of large land mammals could change landscapes forever
California scientists led by UC Berkeley paleontologist Anthony Barnosky looked at the environmental changes that occurred in North and South America after large megafauna went extinct over the past 15,000 years, and found long-lasting impacts.

Researchers create technology to produce lighter, long-lasting batteries from silicon
Substantially smaller and longer-lasting batteries for everything from portable electronic devices to electric cars could be come a reality thanks to an innovative technology developed by University of Waterloo researchers.

Young women more likely to die in hospital after STEMI
Young women with ST-elevation myocardial infarction were less likely to receive life-saving angioplasty and stenting to restore blood flow to blocked arteries than men and also had longer hospital stays and higher rates of in-hospital mortality, according to a study published today in the Journal of the American College of Cardiology.

Young women less likely to be informed of heart disease risk by providers
Even when young women had a similar or greater risk for heart disease than young men, they were 11 percent less likely to report that healthcare providers told them they were at-risk for heart disease prior to a heart attack, according to a new study published today in the Journal of the American College of Cardiology.

Entanglement at heart of '2-for-1' fission in next-generation solar cells
The mechanism behind a process known as singlet fission, which could drive the development of highly efficient solar cells, has been directly observed by researchers for the first time.

Many young heart attack patients, especially women, unaware of risk
Only half of younger heart attack patients believed that they were at risk before the onset of an attack, and even fewer discussed health risks with their doctors, according to Yale School of Public Health researchers.

Medical Home Network achieves significant decrease in hospital readmissions
The Medical Home Network collaboration in Chicago is changing the way health care is being delivered to Medicaid patients through the use of innovative technology combined with a highly efficient, patient-centered and team-based model of care, according to information released Oct.

A 'profound' success in treating children and young adults with rare blood disorders
Hematology researchers have safely and effectively treated children and young adults for autoimmune blood disorders in a multicenter clinical trial.

Large, violent animal packs shaped the ecosystems of the Pleistocene epoch
Intense, violent attacks by large packs of some of the world's biggest carnivores -- including extinct lions much larger than those of today, and sabertooth cats -- limited the population sizes of mammoths, mastodons and other species, and prevented widespread habitat destruction in the Pleistocene Epoch, a team of life scientists reports this week in the journal Proceedings of the National Academy of Sciences.

Siberian jays can recognize unfamiliar, distant relatives
Can animals recognize distantly related, unfamiliar individuals of the same species?

IEEE Communications Society Honors founder of NYU Wireless for seminal work
The Institute of Electrical and Electronics Engineers Communications Society announced it will award New York University's Theodore (Ted) S.

NYU researchers find neurological notes that help identify how we process music
NYU researchers have identified how brain rhythms are used to process music, a finding that also shows how our perception of notes and melodies can be used as a method to better understand the auditory system.

Global premiere of Nobel Prize Series in Singapore
The Nobel Prize Series, an exciting new platform featuring a conference, public lectures, an executive roundtable discussion, an exhibition and various social activities, bringing together the world's leading minds on global affairs and development, will make its debut in Singapore this November.

Caltech physicists uncover novel phase of matter
A team of physicists led by Caltech's David Hsieh has discovered an unusual form of matter -- not a conventional metal, insulator, or magnet, for example, but something entirely different.

Task Force says screen all overweight or obese adults for abnormal blood sugar
The US Preventive Services Task Force recommends screening overweight and obese adults between the ages of 40 and 70 for abnormal blood sugar.

Seeing sound
Caltech researchers have discovered that intrinsic neural connections -- called crossmodal mappings -- can be used by assistive devices to help the blind detect their environment without requiring intense concentration or hundreds of hours of training.

Persistence toxin promotes antibiotic resistance
Researchers at Emory University School of Medicine have obtained precise pictures showing how a toxin protein, called HigB, recognizes and rips up RNA as part of its growth-inhibition function.

Scientists produce beneficial natural compounds in tomato -- industrial scale-up potential
As a result of the research led by Dr. Yang Zhang and Dr.

Social yeast cells prefer to work with close relatives to make our beer, bread and wine
Findings could be applied to industries that use yeast to produce biomolecules of interest and to help develop therapeutic strategies against pathogenic fungi

CRISPR/Cas9 used for rapid functional study of cancer-causing genes
A novel approach using the recently developed CRISP/Cas9 technique to switch off genes has been used for the first time to identify genes that cause liver cancer in adult mice.

New £2.9 million Stirling-led study on freshwater ecosystem dynamics
Major £2.9 million funding for a University of Stirling-led study into the impact of people and the natural environment on freshwater biodiversity and ecosystem resilience, is announced today by the Natural Environment Research Council.

WSU researchers develop natural protein cage for improved cancer drug delivery
Washington State University researchers have developed a unique, tiny protein cage to deliver nasty chemotherapy chemicals directly to cancer cells.

Heart CT scans outperform stress tests in spotting clogged arteries
Results of a head-to-head comparison study led by Johns Hopkins researchers show that noninvasive CT scans of the heart's vessels are far better at spotting clogged arteries that can trigger a heart attack than the commonly prescribed exercise stress that most patients with chest pain undergo.

Ionic liquids interesting in extracting molecules from wood
Thanks to their unique properties, ionic liquids are all in the rage as solvents as 'green' sustainable chemical processes.

Research explains limits of cancer immunotherapy drugs
A new study from the University of Michigan Comprehensive Cancer Center reveals molecular changes within a tumor that are preventing immunotherapy drugs from killing off the cancer.

Stopping tuberculosis requires new strategy
Unless there is a major shift in the way the world fights tuberculosis -- from a reliance on biomedical solutions to an approach that combines biomedical interventions with social actions -- the epidemic and drug resistance will worsen, say researchers at Harvard T.H.

ORCID launches Crossref and DataCite Auto-Update
ORCID, the nonprofit organization that is working to address the name ambiguity problem in scholarly communications by providing a registry of persistent identifiers for researchers, today announced the launch of Auto-Update functionality, in collaboration with Crossref and DataCite.

Ants: Both solid-like and liquid-like
New research from the Georgia Institute of Technology says it's because the insects are actually liquid-like and solid-like simultaneously.

Novel online training for firefighters beats back residential fires, cardiovascular risk
New York University researchers are working with major urban fire departments to build new knowledge on modern residential firefighting into free, game-based online training simulations with an engaging, dynamic format.

Discovery could lead to better recovery after stroke
UCLA researchers have identified a molecule that, after a stroke, signals brain tissue to form new connections to compensate for the damage and initiate repairs to the brain.

Study examines shaken baby syndrome intervention
A program to prevent abusive head trauma (AHT), also known as shaken baby syndrome, was associated with a decline in calls to a nurse advice line but not with a significant change in AHT rates in North Carolina, according to an article published online by JAMA Pediatrics.

Climate change threatens survival of common lizards
While there is no doubt that climate change is affecting many organisms, some species might be more sensitive than others.

Chemists find better way to pack natural gas into fuel tanks
Increasing numbers of natural gas-powered trucks and buses are hitting the road, but a major disadvantage is the bulky equipment needed to store compressed NG or to keep liquefied NG cold.

Chemical probe to dissect role of potential cancer-causing proteins
Scientists have created a highly specific and well-characterised chemical probe which can switch off two important proteins implicated in cancer -- shedding new light on the role these proteins play in driving cancer cell proliferation.

Too much, too late: Doctors should cut back on some medicines in seniors, studies suggest
Anyone who takes medicine to get their blood sugar or blood pressure down -- or both -- knows their doctor prescribed it to help them.

Renewed hope for the brain-injured
Researchers from the Center for Sensorimotor Neural Engineering -- from SDSU, MIT and UW -- have received $15-$20 million from the NSF to continue their work on technology that may someday help the brain-injured regain their mobility thanks to a clever workaround: a brain chip that reroutes neural signals around the injured nerves combined with a receiver that picks them up on the other side.

DNA test for Down's syndrome on the NHS could save lives
Offering pregnant women a DNA test for Down's syndrome on the NHS would reduce the dependency on invasive tests and potentially save the lives of unborn babies, a study shows.

Image gallery: Study of inner ear development hints at way to restore hearing and balance
These genes, or others in the same pathway, could be promising targets for efforts to treat hearing loss or balance problems by regenerating hair cells, the researchers suggest.

Study seeks cause of fatal bereavement
A Rice University study to identify connections between the loss of a significant other and increased risk of cardiovascular disease wins a major grant from the National Institutes of Health.

Molecular motor grows cell's microtubules
Motor proteins that pause at the ends of microtubules and produce pushing forces can also stimulate their growth, according to researchers at Penn State.

CRISPR brings precise control to gene expression
Previous studies have shown that the emerging gene-editing technology called CRISPR can have off-target effects.

Researchers discover an epilepsy switch
Scientists at the University of Bonn and the Hebrew University of Jerusalem have decoded a central signal cascade associated with epileptic seizures.

New testosterone guideline to help Canadian physicians diagnose and treat patients
Controversy exists about how to manage patients with low testosterone, and many health care professionals are reluctant to treat testosterone deficiency, but a new guideline aims to provide a road map to help diagnose and treat this health condition.

Unraveling the complex, intertwined electron phases in a superconductor
A team led by researchers from Brookhaven Lab and Cornell has characterized a key arrangement of electrons that may impede superconductivity in cuprates.

Reduction in Amazon deforestation avoids 1,700 deaths per year
Because of decreasing deforestation and emissions from forest fires in the Amazon, the amount of particulate matter, ozone, carbon monoxide and other atmospheric pollutants released by burning biomass has fallen by 30 percent on average in dry season in Brazil, Paraguay, Bolivia and Argentina.

Medication deintensification in older patients with low HbA1c or blood pressure
Among older patients with diabetes whose treatment has resulted in very low hemoglobin A1c (HbA1c) levels or blood pressure values, only 27 percent or fewer underwent medication deintensification, a lost opportunity to reduce overtreatment, according to an article published online by JAMA Internal Medicine.

New genetic discovery advances understanding of prostate cancer
A new and important genetic discovery, which sheds light on how prostate cancers develop and spread, has been made by an international research team led by scientists at The University of Nottingham.

Simpler method for measuring viral infections in bees
Scientists from Aarhus University have made it easier for beekeepers to conclude how serious the pressure of viral infections in their bee colonies is.

New ASN-GWU report examines key challenges for kidney health workforce
The American Society of Nephrology (ASN), the world's largest organization of kidney health professionals, released the latest in a series of key analyses of the US nephrology workforce authored by George Washington University Health Workforce Institute researchers.

Nanoquakes probe new 2-dimensional material
An international team of researchers, including scientists at the University of California, Riverside, has found a new and exciting way to elucidate the properties of novel two-dimensional semiconductors.

Suzaku finds common chemical makeup at largest cosmic scales
A new survey of hot, X-ray-emitting gas in the Virgo galaxy cluster shows that the elements needed to make stars, planets and people were evenly distributed across millions of light-years early in cosmic history, more than 10 billion years ago.

If a major economy takes the lead, warming could be limited to 2°C
Though most countries around the globe agree that warming must be limited to 2 degrees Celsius to avoid the raft of climate risks, they clash about who should do what to reach this target.

Females more promiscuous in colder climates, says insect study
Females have more sexual partners when they live in colder climates and are happier being monogamous when it is hotter, a study into the behavior of insects has found.

Study: Sirolimus is effective, safe for treatment-resistant autoimmune blood conditions
The immunosuppressant sirolimus is an effective and safe steroid-sparing therapy for children and young adults with highly treatment-resistant autoimmune blood conditions, according to a study published online today in Blood, the Journal of the American Society of Hematology.

Treatment outcomes of brain hemorrhage after thrombolysis for stroke
Treating brain hemorrhage (symptomatic intracerebral hemorrhage, sICH) after clot-busting thrombolysis for stroke was not associated with a reduced likelihood of in-hospital death or expansion of the hematoma but shortening time to diagnosis and treatment may be key to improving outcomes, according to an article published online by JAMA Neurology.

Lost giant poop disrupts whole planet
In the past, whales, giant land mammals, and other animals played a vital role in keeping the planet fertile by transporting nutrients via their feces.

How clean is the International Space Station?
State-of-the-art molecular analysis of dust samples from the International Space Station (ISS) has been employed to reveal new information about some of the potential bacterial agents present in the astronauts' space environment.

Research backs human role in extinction of mammoths, other mammals
A new study supports a hypothesis forwarded in 1973 by well-known geoscientist Paul Martin that the chronology of the extinction of animals such as mammoths, mastodons, camels, horses and ground sloths in the Americas could be used to map the spread of humans through the New World.

Two mutations are better than one
Two wrongs don't make a right, but in the case of genetic mutations, having two mutations in the same gene could be better than having either one individually.

Wives take problems to heart, husbands get frustrated
In a new Rutgers and University of Michigan study, published in the Journal of Gerontology: Social Sciences, the sociologist who found that 'A Happy Wife, Means a Happy Life' looked at sadness, worry and frustration -- among the most common negative emotions reported by older adults -- and discovered that men and women in long-term marriages deal with marriage difficulties differently.

SwRI scientists predict that rocky planets formed from 'pebbles'
Using a new process in planetary formation modeling, where planets grow from tiny bodies called 'pebbles,' Southwest Research Institute scientists can explain why Mars is so much smaller than Earth.

Care more expensive for dementia patients and families in last years of life
The cost of care over the last five years of life for patients with dementia is significantly higher than for patients who die from heart disease, cancer, or other causes, according to a study led by researchers at the Icahn School of Medicine at Mount Sinai, Dartmouth College and University of California, Los Angeles, and published online today in the journal Annals of Internal Medicine.

Springer Nature and UNSILO release pioneering new interactive Related Content service on SpringerLink
Springer Nature announces the launch of an interactive Related Content service on the SpringerLink platform.

Study shows angry men gain influence and angry women lose influence
There have been many efforts toward making juries more diverse and representative of the population.

Eating more fruits, veggies in youth linked to healthy heart decades later
Young adults who ate more than five daily servings of fruits and vegetables were less likely to have developed plaque deposits in their coronary arteries 20 years later.

Standard phenotypes will aid in genetic research on neuropathic pain
Research on the genetic factors contributing to neuropathic pain has been hindered by the lack of a standard approach to assessing its clinical characteristics or 'phenotype.' Now, a report from an expert panel published in the journal Pain presents a consensus approach to assessing the phenotype of neuropathic pain.

Drs. Xinzhuan Su and Louis H. Miller write about the discovery of artemisinin and the 2015 Nobel Prize
The 2015 Nobel Prize in Physiology or Medicine was awarded to Professor Youyou Tu for her key contributions to the discovery of artemisinin, which has saved millions of lives.

Four microRNAs identified as playing key roles in cholesterol, lipid metabolism
Four tiny segments of RNA appear to play critical roles in controlling cholesterol and triglyceride metabolism.

Shaken baby prevention effort reduces crying-related calls to nurse advice line
A new evaluation of a statewide shaken baby prevention effort found that the number of calls to a nurse advice line from North Carolina parents who called because of a crying baby were reduced in the first two years after the intervention was implemented in 2007.

Male mosquitoes lured to traps by sounds of female wing-beats
Male mosquitoes have been found to zero in on inexpensive traps that broadcast sound that is similar in frequency to the sound that is produced by the wing-beats of female mosquitoes -- a discovery that may lead to better mosquito control in developing countries.

Kingsize 3-D concrete printer for research into 'concrete 2.0'
Eindhoven University of Technology began using a concrete printer that enables objects of up to 11 meters long, 5 meters wide and 4 meter high to be printed, with very fine structures.

Wood instead of petroleum: Producing chemical substances solely from renewable resources
Petroleum might well be replaced by wood soon when it comes to manufacturing chemical substances.

Technologies can improve research, cut costs by replacing animal-derived antibodies
Time, money, and tens of thousands of animals could be saved if researchers replace animal-derived antibodies with modern technologies, according to a review by the PETA International Science Consortium Ltd. published today in Biotechnology Advances, a peer-reviewed journal covering developments and trends in biotechnology principles and applications.

Cars must be considerate of the driver when talking
Smart telephones and TVs are well established technical gadgets in today's society.

Regenerative Medicine gives a much needed update on magnetic tracking in cell therapy
A new article published in Regenerative Medicine reviews the latest advances in magnetic particle tracking in cell therapy, a potentially groundbreaking strategy in disease treatment and regenerative medicine.

Dr. Nancy Klimas receives prestigious Provost's Research and Scholarship Award from Nova Southeastern University
NSU Executive Vice President and Provost Ralph V. Rogers Jr., Ph.D., recently presented Nancy Klimas, M.D., with the 5th Annual Provost's Research and Scholarship Award.

Study: Alaskan soil thaw sends carbon directly back into atmosphere
Researchers found that permafrost organic material is so biodegradable that as soon as it thaws, the carbon is almost immediately consumed by single-cell organisms called microbes and then released back into the air as carbon dioxide, feeding the global climate cycle.

Researchers solve longtime puzzle about how we learn
Neurologically speaking, how did Pavlov's dogs learn to associate a ringing bell with a delayed reward?

Assessing the role of negative citations in science
Not all academic citations are positive ones, and a paper published this week in the journal Proceedings of the National Academy of Sciences finds that as many as one in 50 citations in a top immunology journal were critical in nature.

Study: Persian Gulf could experience deadly heat
Climate change could bring deadly heat waves to Persian Gulf.

American Academy of Pediatrics links global warming to the health of children
Today, the American Academy of Pediatrics released a policy statement that links climate change with the health of children, urging pediatricians and politicians to work together to solve this crisis and protect children from climate-related threats including natural disasters, heat stress, lower air quality, increased infections, and threats to food and water supplies.

'Hypercarnivores' kept massive ancient herbivores in check
Based on a series of mathematical models for the sizes of predators and prey in the late Pleistocene age (about one million to 11,000 years ago), a research team concludes that giant herbivores were not immune to predators.

Better business is linked up
Research published in the International Journal of Social Media and Interactive Learning Environments, suggests that LinkedIn users are well acquainted with and fairly happy with the technological performance of the network, but have mixed responses to its social benefits.

UC team discovers rare warrior tomb filled with Bronze Age wealth and weapons
An international team of archaeologists led by University of Cincinnati researchers discovered a Bronze Age warrior's tomb in southwestern Greece filled with more than 1,400 objects: jewels, weapons and armor, as well as bronze, silver and gold vessels.

Virginia Tech researchers take cue from spider glue in efforts to create new materials
Researchers found that the webs of sun-soaked spiders were far more resistant to UVB rays than the webs of those that hunt in the dark or shade, perhaps indicating an important adaptive trait.

High post-pregnancy BMI raises pelvic organ prolapse risk
Maintaining a normal body mass index (BMI) is important for good cardiovascular health and blood sugar control, but maintaining it after pregnancy can also be key to preventing pelvic organ prolapse, according to a new study by Yale School of Medicine researchers.

Sheet music for creating the artificial sense of touch
A new study led by neuroscientists from the University of Chicago brings us one step closer to building prosthetic limbs for humans that re-create a sense of touch through a direct interface with the brain.

Study finds how Alzheimer's-associated protein tangles spread through the brain
Massachusetts General Hospital investigators have discovered a mechanism behind the spread of neurofibrillary tangles -- one of the two hallmarks of Alzheimer's disease -- through the brains of affected individuals.

Divided opinions on vitamin D enrichment
A new study from Aarhus University shows that Danes generally accept food products enriched with vitamin D, but when in the supermarket Danes prefer food products which are not fortified with vitamin D.

Response to environmental change depends on variation in corals and algae partnerships
Some corals are more protective than others of their partner algae in harsh environmental conditions, new research reveals.

Ancient babies boost Bering land bridge layover
University of Utah scientists deciphered maternal genetic material from two babies buried together in Alaska 11,500 years ago.

What was killing the young right whales? New research finds a suspect
In a new study published in Marine Mammal Science, scientists found a close relationship between a sudden surge in whale deaths at Peninsula Valdes, Argentina, and the toxic algae Pseudo-nitzschia.

Wanted: Fair players and a climate leader
An international team, led by the University of Melbourne, has devised a method allowing countries to choose their own method of 'fair' emissions cuts, effectively creating a roadmap out of the climate negotiation gridlock.

Declines in whales, fish, seabirds and large animals disrupt Earth's nutrient cycle
A new study reveals that in the past large land animals, whales, seabirds and fish played a vital role in recycling nutrients from the ocean depths, spreading them far and wide across the globe and taking them deep inland.

MSU to lead $5.8 million USAID grant to improve Bangladesh, Indonesia potato production
The US Agency for International Development has awarded Michigan State a $5.8 million cooperative agreement to improve potato production in Bangladesh and Indonesia.

York U researchers list products expectant mothers should avoid during first trimester
Expectant mothers in their first trimester should avoid certain cosmetics, cleaning agents and medicines, to protect the developing fetal brain from chemicals that can trigger autism, York U health researchers have found.

The art of maintaining productive sales channel partnerships
To describe the nuanced relationship between companies and their channel partners, the authors explored the dynamics of various incentive and partner programs -- channels that produce roughly two-thirds of the total sales of the largest manufacturers in the IT sector.

HIV care could save lives and billions of dollars, computer model predicts
A computer model developed by Johns Hopkins health care delivery specialists predicts that strengthening a handful of efforts to keep people with HIV in lifetime care, along with more rigorous testing, would potentially avert a projected 752,000 new HIV infections and 276,000 AIDS deaths in the United States alone over the next 20 years.

If a major economy takes the lead, warming could be limited to 2°C
Though most countries around the globe agree that warming must be limited to 2 degrees Celsius to avoid the raft of climate risks, they clash about who should do what to reach this target.

Only 4 percent of the ocean is protected: UBC research
Despite global efforts to increase the area of the ocean that is protected, only four per cent of it lies within marine protected areas (MPAs), according to a University of British Columbia study.

Scientists uncover signal for when a pregnant woman is about to go into labor
Researchers from the University of Texas Medical Branch at Galveston have uncovered a cellular signal in the amniotic fluid around the fetus that builds up when a pregnant woman is about to go into labor.

New interdisciplinary research project on the long-term effects of cancer treatment
Some individuals experience cancer recurrence when they enter adolescence or adulthood after they have been successfully treated for cancer in childhood while others don't.

NASA sees Tropical Storm Olaf moving back to 'birthplace'
Tropical Storm Olaf is leaving the Central Pacific Ocean and is headed 'home' -- that is, back to the Eastern Pacific Ocean where it developed 12 days ago.

Use of benzodiazepines and related drugs common around Alzheimer's diagnosis
Benzodiazepines and related drugs are initiated frequently in persons with Alzheimer's disease already before the diagnosis, and their use becomes even more common after the diagnosis, shows a recent study from the University of Eastern Finland.

Insulin cells determine weight-loss surgery success rate
Danish researchers have found that the ability to produce insulin is pivotal to the success of weight-loss surgery in patients with type 2 diabetes.

Researchers study differences in ischemic stroke in marijuana users
A new study found strokes in young adults who use marijuana are more likely to be caused by stenosis, narrowing of the arteries, in the skull than strokes in non-users.

Grant enables pioneering research of vast river systems in Great Plains and Asia
A five-year, $4.2 million grant from the National Science Foundation will empower researchers from multiple institutions in the US and Mongolia to develop wide-ranging scientific knowledge of river systems spanning two continents.

Military drawdown may hurt service member diversity, study finds
The US military is in the midst of a planned reduction in personnel that will create the smallest army since before World War II.

American Academy of Pediatrics issues sweeping recommendations on tobacco and e-cigarettes
While adolescent use of tobacco has declined since the 1970s, it remains a persistent public health problem -- and e-cigarettes are threatening to addict a new generation to nicotine.

Harmful algal blooms and climate change: Preparing to forecast the future
Marine scientists attending an international workshop warned that the future may bring more harmful algal blooms (HABs) that threaten wildlife and the economy, and called for changes in research priorities to better forecast these long-term trends.

$2.58 million NIH grant to Wayne State aims to improve type 2 diabetes treatment
Zhengping Yi, Ph.D., professor of pharmaceutical sciences in the Eugene Applebaum College of Pharmacy and Health Sciences and director of the Proteomics Research Laboratory at Wayne State University, is leading a research team that was awarded more than $2.5 million from the National Institute of Diabetes and Digestive and Kidney Diseases of the National Institutes of Health.

Massive screen of drug combinations may find treatment for resistant, BRAF-mutant melanoma
A team of Massachusetts General Hospital investigators has discovered a new combination of drugs that may be effective against one of the deadliest cancers, malignant melanoma.

PharmaMar to present new studies for YONDELIS and PM1183 in ovarian cancer
PharmaMar introduces several posters to show clinical data about the treatment combining YONDELIS® with PLD in different patient profiles.

Natural immunity may lead fight against liver disease
University of Adelaide researchers have uncovered the role played by a family of genes, which can suppress hepatitis C virus infection within the liver.

Scientists devise new method to solve significant variables conundrum
Scientists at Columbia University, the University of California, San Diego and Harvard University have presented an alternative method to address the challenge of using significant variables to make useful predictions in areas such as complex disease.

Elephants boost tree losses in South Africa's largest savanna reserve
Protected areas, such as nature reserves and national parks, play a crucial role in sheltering wildlife, such as African elephants, from hunting and habitat destruction.

Colorado University and Children's Hospital researcher contributes to study on safety of anesthesia
An international team of researchers that includes a pediatric anesthesiologist from the University of Colorado School of Medicine and Children's Hospital Colorado is reporting that limited use of general anesthesia with an infant does not cause developmental problems for the child.

Study explores economic impact of cancer diagnoses on families
A new study illustrates some of the financial challenges that accompany a cancer diagnosis and highlights the need for efforts to mitigate the economic hardships associated with the disease.

FDA approves new therapy for pancreatic cancer patients
Patients with advanced pancreatic cancer now have access to the new FDA approved drug, Onivyde, that produced significant overall survival rates in an international clinical study conducted in part by researchers at HonorHealth Research Institute and the Translational Genomics Research Institute.

Ancient permafrost quickly transforms to carbon dioxide upon thaw
Researchers from the US Geological Survey and key academic partners including the University of Colorado Boulder have quantified how rapidly ancient permafrost decomposes upon thawing and how much carbon dioxide is produced in the process.

Rewilding the future
New research shows that the loss of large animals has had strong effects on ecosystem functions, and that reintroducing large animal faunas may restore biodiverse ecosystems.

New study unravels mystery of why deadly tick disease appears to be surging, yet fatalities have not
A mild disease spread by the aggressive Lone star tick that is now colonizing large swaths of the United States is being mistaken for Rocky Mountain spotted fever, according to a new study from scientists at the US Centers for Disease Control and Prevention.

National Infrastructure Simulation and Analysis Center taps PNNL
PNNL's data analytics capabilities and advanced computer modeling capabilities will support the Department of Homeland Security's National Infrastructure Simulation and Analysis Center.

NASA sees remnants of Tropical Cyclone Champi warming and raining on Alaska
On Oct. 26, satellite imagery showed the extra-tropical cyclone affecting Alaska, where it was bringing rain, gusty winds and warmer than normal temperatures.

Green office environments linked with higher cognitive function scores
People who work in well-ventilated offices with below-average levels of indoor pollutants and carbon dioxide (CO2) have significantly higher cognitive functioning scores -- in crucial areas such as responding to a crisis or developing strategy -- than those who work in offices with typical levels.

Snake venom helps hydrogels stop the bleeding
A hydrogel infused with snake venom may be the best material to stop bleeding quickly, even in the presence of anti-coagulants, according to Rice University scientists.

Pregnant women in Brooklyn have highest levels of certain preservatives used in cosmetics
Researchers at SUNY Downstate Medical Center and Arizona State University have published the first study of levels of parabens -- antibacterial substances commonly used as preservatives in cosmetics and other products -- in human cord blood samples.

Capacity to regenerate body parts may be the primitive state for all 4-legged vertebrates
A team of paleontologists of the Museum für Naturkunde Berlin, the State University of New York at Oswego and Brown University shows in a new study of fossil amphibians that the extraordinary regenerative capacities of modern salamanders are likely an ancient feature of four-legged vertebrates that was subsequently lost in the course of evolution.

Twenty-three researchers recognized as EMBO Young Investigators
EMBO announced today the selection of 23 young researchers as EMBO Young Investigators.

Three-minute test detects common form of dementia that's hard to diagnose
Although Lewy Body disease is the second-most-common degenerative disease after Alzheimer's disease, it's not exactly a household name.

New report offers NASA framework for establishing priorities among Earth observations
A new report from the National Academies of Sciences, Engineering, and Medicine offers NASA a framework for prioritizing satellite observations and measurements of Earth based on their scientific value.

Fossil landscapes in New England
Maine's Katahdin and New Hampshire's Mount Washington stand as the highest peaks over New England, but over the past several million years, both were repeatedly buried by continental ice sheets advancing southward from Canada.

An innovative response to the challenge of storing renewable energy
A system for managing and storing energy, developed by EPFL's Distributed Electrical Systems Laboratory, has been inaugurated on the school's campus.

Researchers observe surprising phase transition
An ultrapure material taken to pressures greater than that in the depths of the ocean and chilled to temperatures colder than outer space has revealed an unexpected phase transition that crosses two different phase categories. 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