Brightsurf Science News & Current Events

July 14, 2016
Organic computers are coming
A team of the Lomonosov MSU researchers in collaboration with their German colleagues from the Institute of Polymer Research in Dresden (Leibniz Institute) managed to find a molecule that, to their opinion, could give the impetus to the development of organic electronics.

Weight loss can lower levels of some proteins associated with cancer
Overweight and obese women who lost weight through diet and exercise lowered the levels of certain proteins in their blood that play a role in angiogenesis, the process of blood vessel growth that can promote the growth and survival of cancer cells.

'Smart' nanoparticle called PEARLs a promising gem to target, treat tumours
Dr. Gang Zheng and a team of biomedical researchers have discovered a 'smart' organic, biodegradable nanoparticle that uses heat and light in a controlled manner to potentially target and ablate tumors with greater precision.

Molecular switch for controlling color and fluorescence
Researchers in Japan have developed a molecular switching technique to control the visible color and fluorescent properties of a compound by using hydrogen and oxygen gas.

New opioid use in older adults with COPD associated with increased risk of death
Older adults with chronic obstructive pulmonary disease who start using opioids have a more than two-fold higher risk of dying from a respiratory-related complication compared to non-opioid users, St.

Insilico Medicine develops a new approach to concomitant cancer immunotherapy
Using these markers and a deep learned drug scoring engine Insilico Medicine identified 12 leads that may help increase response to cancer immunotherapy and is seeking industry partnerships to test these leads.

OVC cancer breakthrough leads to human clinical trials
Cancer treatment in people could be transformed thanks to a study on treating cancer in animals at the University of Guelph.

Prisoners worldwide bear higher burdens of HIV and other infections
Prisoners and detainees worldwide have higher burdens of HIV, viral hepatitis and tuberculosis than the communities from which they come, and the regular cycling of infected people in and out of incarceration is worsening the epidemics both inside and outside of prison, new Johns Hopkins Bloomberg School of Public Health-led research suggests.

Pre-stroke risk factors influence long-term future stroke, dementia risk
If you had heart disease risk factors, such as high blood pressure, before your first stoke, your risk of suffering subsequent strokes and dementia long after your initial stroke may be higher.

Is artificial lighting making us sick? New evidence in mice
Along with eating right and exercising, people should consider adding another healthy habit to their list: turning out the lights.

Boston College's City Connects initiative added to New Profit's K-12 portfolio
New Profit, Inc., a venture philanthropy fund that focuses on social entrepreneurship, has made a significant operating investment in City Connects, a student support initiative of Boston College's Lynch School of Education now in 87 schools in five states.

Income inequality leads millennials to start families before marriage
Rising income inequality, and the resulting scarcity of certain types of jobs, is a key reason young Americans are having babies before getting married.

Elsevier announces the launch of a new journal: Current Opinion in Electrochemistry
Elsevier, a world-leading provider of scientific, technical and medical information products and solutions, announces the launch of a new journal: Current Opinion in Electrochemistry.

Make way for ducklings; they're smarter than you thought
While the brain's ability to deal with abstract properties - including patterns of 'same' and 'different' -- has been demonstrated in animals with advanced intelligence after extensive training, researchers now show that newly hatched ducklings can distinguish same and different, too, without any training at all.

Mount Sinai researchers develop simple method to characterize immune cells in tumors
Despite recent achievements in the development of cancer immunotherapies, only a small group of patients typically respond to them.

Simple method tests hard-to-treat bacteria's susceptibility to different antibiotics
The recent emergence of bacterial infections that are resistant to many existing antibiotics is driving an urgent need for tools to quickly identify the small number of therapies that are still effective for individual patients.

New report: Nearly a third of Hispanics in Texas don't have health insurance
The percentage of Hispanics in Texas without health insurance has dropped by 30 percent since the Affordable Care Act went into effect, but almost one-third of Hispanic Texans ages 18 to 64 remain uninsured.

World's greatest concentration of unique mammal species is on Philippine island
Luzon, the largest island in the Philippines, is home to the world's greatest concentration of unique mammal species-- 93 percent of the land mammals there are found nowhere else.

Computer simulation renders transient chemical structures visible
Chemists at the University of Basel have succeeded in using computer simulations to elucidate transient structures in proteins.

Self-rated health worth doctors' attention
Patients' feelings are often a better predictor of illness and death than clinical tests, according to researchers at Rice University.

The success of the plant-eating dinosaurs
Plant-eating dinosaurs had several bursts of evolution, and these were all kicked off by innovations in their teeth and jaws, new research has found.

Astronomers map a record-breaking 1.2 million galaxies to study the secrets of dark energy
Astronomers announced this week the sharpest results yet on the properties of dark energy.

Antibodies in patients with rare disorder may have role preventing type 1 diabetes
People with a rare autoimmune disorder produce autoimmune antibodies that appear to be linked to a reduced occurrence of type 1 diabetes, new research has found.

Opposites attract -- unless you're in a relationship
If we are in a relationship we are more likely to be attracted to faces resembling our own, but for single people, opposites attract.

UW, Purdue scientists solve structure of cold virus linked to childhood asthma
The atomic structure of an elusive cold virus linked to severe asthma and respiratory infections in children has been solved by a team of researchers at the University of Wisconsin-Madison and Purdue University.

Specialized neurons in emotional memory brain area play important role in fear
Researchers elucidate the function of sparse population of inhibitory neurons in memory encoding.

On 58 percent of Earth's land surface, biodiversity has dropped below suggested 'safe' threshold
Species 'intactness' has dropped below what one research group considers the safe limit across about 58 percent of Earth's terrestrial surface, a new study reports.

IU research points towards new blindness prevention methods in diabetic eye disease
Indiana University researchers have created a virtual tissue model of diabetes in the eye that shows precisely how a small protein that can both damage or grow blood vessels in the eye causes vision loss and blindness in people with diabetes.

AGI honors Dr. Ernest 'Ernie' A. Mancini at AAPG Annual Meeting
Mancini's prodigious body of work has led to significant advancements in the understanding of the stratigraphy and petroleum systems of Mesozoic and Cenozoic strata of the Gulf of Mexico basin.

Losing weight lowered levels of proteins associated with tumor growth
Overweight or obese women who lost weight through diet or a combination of diet and exercise also significantly lowered levels of proteins in the blood that help certain tumors grow, according to a Fred Hutchinson Cancer Research Center study published July 14 in Cancer Research, a journal of the American Association for Cancer Research.

Diabetic patients experience superior survival with less conventional CABG surgery
Diabetic patients who undergo heart bypass surgery are living longer and have much better long-term outcomes when cardiothoracic surgeons use arteries rather than veins for the bypasses, according to a new study published online today by The Annals of Thoracic Surgery.

Butterflies' diet impacts evolution of traits
A new study led by University of Minnesota researcher Emilie Snell-Rood finds that access to some nutrients may be a star player in shaping traits related to fitness such as fecundity and eye size over the long term.

Novel algorithm predicts drug combinations to treat drug resistant fungal infections
Scientists have created an algorithm that can identify drug combinations to treat fungal infections that have become resistant to current drug treatments.

Gauging stem cells for regenerative medicine
Salk researchers and collaborators provide a new benchmark for generating the most primitive type of stem cell.

Tropical cyclones on track to grow more intense as temperatures rise
Powerful tropical cyclones like the super typhoon that lashed Taiwan with 150-mile-per-hour winds last week and then flooded parts of China are expected to become even stronger as the planet warms.

NASA finds wind shear affecting Tropical Storm Celia
Tropical Storm Celia continues to weaken in the Eastern Pacific Ocean and NASA data showed that the strongest winds and storms were pushed north of the center of the storm.

What are your chances of living 2 years? Doctors, cancer patients, differ
Misunderstandings about prognosis between patients with advanced cancer and their doctors was common, in a study reported in JAMA Oncology, and the vast majority of patients didn't know that their doctors held different opinions about how long they might live.

Extracting the content of single living cells
Biologists are increasingly interested in the behavior of individual cells, rather than the one of an entire cell population.

Columbia University awarded $58.4 million to accelerate development of new therapies
Columbia University Medical Center has received a $58.4 million grant from the National Center for Advancing Translational Sciences at the National Institutes of Health to expand its work in translational research.

Warm Jupiters not as lonely as expected
After analyzing four years of Kepler space telescope observations, astronomers from the University of Toronto have given us our clearest understanding yet of a class of exoplanets called 'Warm Jupiters,' showing that many have unexpected planetary companions and likely formed where we find them.

NIFA announces $8.3 million in available funding to support innovative small businesses
The US Department of Agriculture's National Institute of Food and Agriculture today announced more than $8.3 million in available funding to support small businesses in the creation of advanced research and development projects that will lead to innovative solutions for American agriculture.

Soot may have killed off the dinosaurs and ammonites
A new hypothesis on the extinction of dinosaurs and ammonites at the end of the Cretaceous Period has been proposed by a research team from Tohoku University and the Japan Meteorological Agency's Meteorological Research Institute.

Cougars could save lives by lowering vehicle collisions with deer
A team of researchers has for the first time begun to quantify the economic and social impact of bringing back large carnivores.

Is the Zika epidemic in Latin America at its peak?
In this Policy Forum, Neil Ferguson et al. use results from a model of virus transmission to analyze the current Zika epidemic in Latin America, suggesting that it may have already peaked.

Neuronal activity shows link between wakefulness and fight-or-flight response in mice
Researchers centered at Nagoya University revealed a role for orexin neurons of the hypothalamus in regulating the response to harmful stimuli in mice.

GAGA may be the secret of the sexes -- at least in insects
Without simple repeating sequences of the DNA 'letters' GA on the X chromosome, distinct genders could never have evolved, at least in flies and mosquitoes.

New Neiman Health Policy Institute report examines radiology payment models
A new Harvey L. Neiman Health Policy Institute report discusses the Medicare Access and CHIP Reauthorization Act and its implications for radiology.

Black bear links real objects to computer images
American black bears may be able to recognize things they know in real life, such as pieces of food or humans, when looking at a photograph of the same thing.

Cell death: How a protein drives immune cells to suicide
For some pathogens, attack is the best form of defense -- they enter immune cells of the human body.

Dark energy measured with record-breaking map of 1.2 million galaxies
A team of hundreds of physicists and astronomers, including those from Berkeley Lab, have announced results from the largest-ever, three-dimensional map of distant galaxies.

Anticancer drug discovery: Structures of KDM5 histone demethylase inhibitors
When doctors hurl toxic death at cancer cells, often a few will survive and come back.

NUS scientists discover that modifications to protein RUNX3 may promote cancer growth
Scientists from the Cancer Science Institute of Singapore at the National University of Singapore have discovered that a modification called phosphorylation made to a protein called RUNX3 may promote cancer progression by allowing cell division.

Bonding to bones strongly
Researchers at Hokkaido University have developed a new kind of hydrogel that bonds spontaneously and strongly to defected bones, suggesting potential use in the treatments of joint injuries.

Team-trained health care staff can reduce patient deaths by 15 percent
Team training of health care employees can reduce patient mortality by 15 percent, according to a new study.

Continuing recognition
UCSB Nobel Laureate Shuji Nakamura is elected to Taiwan's most prestigious academy.

Ocean warming primary cause of Antarctic Peninsula glacier retreat
A new study has found for the first time that ocean warming is the primary cause of retreat of glaciers on the western Antarctic Peninsula.

Forty years of the Nurses' Health Study: An evidence goldmine with a long-lasting legacy
A special journal issue on cohort studies highlights the Nurses' Health Study's major contribution.

New molecules kill multidrug-resistant cancer cells
Newly discovered molecules can kill multidrug-resistant cancer cells by blocking cells' defenses against cancer drugs, according to a new study published in Bioorganic & Medicinal Chemistry Letters.

Delirium in older patients after surgery may lead to long-term cognitive decline
Researchers from the Harvard Medical School - affiliated Hebrew SeniorLife Institute for Aging Research (IFAR) have found increasing evidence that delirium in older surgical patients may be associated with long-term cognitive decline.

The Lancet: Mass imprisonment of drug users driving global epidemics of HIV, hepatitis, and tuberculosis
With an estimated 30 million people passing in and out of prisons every year, prisoners will be key to controlling HIV and tuberculosis epidemics worldwide, according to a major six-part Series on HIV and related infections in prisoners, published in The Lancet and being presented at the International AIDS Conference in Durban, South Africa.

New signaling pathway for programmed cell death identified in leukemia cells
When adults develop blood cancer, they are frequently diagnosed with what is referred to as acute myeloid leukemia.

Communication breakdown? Mismatch in expectations about prognosis in advanced cancer
A new study in JAMA Oncology finds that advanced cancer patients report far more optimistic expectations for survival prognosis than their oncologists, due to patients' misunderstanding of their oncologists' clinical judgment.

Public health benefits of e-cigarette use tend to outweigh the harms
A modeling study by top tobacco control experts finds that e-cigarettes are likely to provide public health benefits based on 'conservative estimates' of the likely uptake of vaping and smoking by adolescents and young adults.

Long noncoding RNA found to quell inflammation
A long non-coding RNA (lincRNA) -- called lincRNA-EPS -- responsible for regulating innate immunity has been identified by a team of scientists at the University of Massachusetts Medical School.

Corneal transplants, men and women don't see eye to eye
A new study of patients undergoing corneal transplants indicates that subtle differences between men and women may lead to poorer outcomes for a woman who has received a cornea from a male donor.

Perceived threats from police officers, black men predict support for policing reforms
New research from the University of Washington finds that racially based fear plays a role in public support for policing reforms.

Researchers identify the requirements in the chemical structure to develop better molecules in cancer
Researchers from Dr. H.S. Gour University and Jadavapur University in India have found out structural requirements of some theophylline based molecules against the enzyme aldehyde dehydrogenase.

Scientists use microchips to track 'Ghosts of Gotham'
Scientists tag NYC rats with RFID microchips to study their behavior and potential for transmitting disease.

Stem cell scientists discover genetic switch to increase supply of stem cells from cord blood
International stem cell scientists, co-led in Canada by Dr. John Dick and in the Netherlands by Dr.

Early preschool bedtimes cut risk of obesity later on
Preschoolers who are regularly tucked into bed by 8 p.m.

Extensive variation revealed in 1,001 genomes and epigenomes of Arabidopsis
An international team of scientists has sequenced the whole genomes and epigenomes of more than 1,000 Arabidopsis thaliana plants, sampled from geographically diverse locations.

Stanford researchers coax human stem cells to rapidly generate bone, heart muscle
Researchers at the Stanford University School of Medicine have mapped out the sets of biological and chemical signals necessary to quickly and efficiently direct human embryonic stem cells to become pure populations of any of 12 cell types, including bone, heart muscle and cartilage.

Ancient skeletons change views on origins of farming
Several hunter-gatherer populations independently adopted farming in the Fertile Crescent during the Neolithic period, then went on to sow the seeds of farming far and wide, a new analysis suggests.

In corneal transplantation, men and women don't see eye to eye
A study of patients undergoing corneal transplants indicates that subtle differences between men and women may lead to poorer outcomes for a woman who has received a cornea from a male donor.

PrEP can reduce new HIV cases by a third among MSM over next 10 years
A daily pill to prevent HIV infection can reduce new cases among men who have sex with men (MSM) by a third in the US over the next 10 years, according to a new modeling study published in The Journal of Infectious Diseases and available online.

Breakthrough in scaling up life-changing stem cell production
Scientists have discovered a new method of creating human stem cells which could solve the big problem of the large-scale production needed to fully realize the potential of these remarkable cells for understanding and treating disease.

Bacteria avoid age defects through collective behavior
Biophysics: As they age, more and more defects arise in most organisms.

Zika epidemic likely to end within 3 years
The findings, from scientists at Imperial College London, also conclude that the epidemic cannot be contained with existing control measures.

'Green' electronic materials produced with synthetic biology
A new strain of bacteria that spins out extremely thin and highly conductive wires made up of solely of non-toxic, natural amino acids designed by microbiologist Derek Lovely and colleagues say the wires, which rival the thinnest wires known to man, avoid the harsh chemical processes typically used to produce nanoelectronic materials.

Climate experts help communities cope with impact of the Indian Monsoon
Work by University of Exeter experts to predict the weather in India could help millions of people prepare for the devastating effects of the country's summer monsoons.

RIT awarded a total of $1 million from NSF for gravitational-wave astronomy
RIT won more than $1 million in federal funding to study the dynamics of extreme black holes and to develop the Einstein Toolkit, making Einstein's equations user-friendly for scientists exploring the new field of gravitational wave astronomy.

HIV 'safe houses' identified
Researchers from the University of Montreal Hospital Research Center have identified cells that provide 'safe houses' for the human immunodeficiency virus during antiretroviral therapy.

Patient-specific approach may improve deep brain stimulation used to treat Parkinson's
Researchers have developed a method to measure how the brain responds to electrical stimulation and use the response to maximize efficacy of deep brain stimulation (DBS) -- a therapy that has been successfully used to treat advanced stages of Parkinson's disease.

'Rivet graphene' proves its mettle
'Rivet graphene' has enhanced electronic properties and the ability to be transferred from one surface to another without contaminating polymers, according to Rice University scientists.

Checkpoint in B cell development discovered with possible implications on vaccine potency
University of Alabama at Birmingham researchers report a new quality-control checkpoint function in developing B cells, cells that produce antibodies to protect the body from pathogens.

Hybrid immune cells in early-stage lung cancer spur anti-tumor T cells to action
Researchers have identified a unique subset of these cells that exhibit hybrid characteristics of two immune cell types -- neutrophils and antigen-presenting cells -- in samples from early-stage human lung cancers.

Scientists trace origin cell of bone and soft tissue tumors, test drug target
Scientists at Duke Health are part of a team that has discovered a type of cell surrounding blood vessels can also serve as a starting point for sarcoma, a form of cancer that occurs in bones and connective tissues.

New theropod dinosaur suggests that small T. rex-like arms evolved multiple times
The discovery of a theropod dinosaur with Tyrannosaurus rex-like arms suggests that these unusual forelimbs may have evolved multiple times, according to a study published July 13, 2016 in the open-access journal PLOS ONE by Sebastián Apesteguía from the Universidad Maimónides, Argentina, and colleagues.

Negative stereotypes affect female soccer performance
Subjecting female soccer players to a negative stereotype about their abilities reduced their dribbling speed significantly, according to a new study published in Psychology of Sport and Exercise.

Older women who sustain facial injuries have increased risk of facial fractures
Older women who sustain facial injuries have greater risk of facial fractures, especially those who are white or Asian, while older black women have decreased risk, according to an article published online by JAMA Facial Plastic Surgery.

Ancient Brazilian pit house occupied continuously for centuries
Prehistoric proto-Jê Brazilian peoples may have continually renovated and extended their pit houses to allow occupation over centuries, according to a study published July 6, 2016 in the open-access journal PLOS ONE by Jonas Gregorio de Souza from the University of Exeter, UK, and colleagues.

Artificial intelligence reveals undiscovered bat carriers of Ebola and other filoviruses
Barbara Han, a disease ecologist at the Cary Institute of Ecosystem Studies and the paper's lead author, comments, 'Using machine learning methods developed for artificial intelligence, we were able to bring together data from ecology, biogeography, and public health to identify bat species with a high probability of harboring Ebola and other filoviruses.

Dads play key role in child development
Fathers play a surprisingly large role in their children's development, from language and cognitive growth in toddlerhood to social skills in fifth grade, according to new findings from Michigan State University scholars.

Key to regulating cell's powerhouse discovered
Aging, neurodegenerative disorders and metabolic disease are all linked to mitochondria, structures within our cells that generate chemical energy and maintain their own DNA.

Researchers map molecular 'social networks' that drive breast cancer cells
A powerful new technology that maps the 'social network' of proteins in breast cancer cells is providing detailed understanding of the disease at a molecular level and could eventually lead to new treatments, Australian scientists say.

International team launches community competition to find how cancer changes a cell's RNA
An open challenge will merge the efforts of the International Cancer Genome Consortium, The Cancer Genome Atlas, and the NCI Cloud Pilots with Sage Bionetworks and the open science DREAM Challenge community.

Ocean explorer: ONR welcomes new research ship to Navy's ranks
In honor of the first American female astronaut, the Office of Naval Research recently welcomed the US Navy's newest research vessel -- R/V Sally Ride -- for ocean science.

Athletes with concussion maintain improvements after use of mirroring neurotechnology
Brain State Technologies announces that a series of young athletes with long-term symptoms after concussion showed a variety of lasting improvements, after using HIRREM® neurotechnology.

Dietary restriction increases lifespan through effects on the gut
Dietary restriction, or limited food intake without malnutrition, has beneficial effects on longevity in many species, including humans.

Genetic roots of insect's waterproof coating could lead to innovative pest control
An international team of scientists led by University of Hawaii at Mānoa researcher Joanne Yew may have discovered a new and effective way to control insect pests that are a threat to agriculture and humans.

Over 20 countries environmentally suitable for Ebola transmission by bats
Though the West African Ebola outbreak that began in 2013 is now under control, 23 countries remain environmentally suitable for animal-to-human transmission of the Ebola virus.

Novel compound has promise for treatment of Huntington's disease
A multi-institutional study based at Massachusetts General Hospital has identified a promising treatment strategy for Huntington's disease.

Nearly 80 percent of drivers express significant anger, aggression or road rage
Nearly 80 percent of drivers expressed significant anger, aggression or road rage behind the wheel at least once in the past year, according to a new study by the AAA Foundation for Traffic Safety.

Co-invented by OHSU's Dr. David Huang 25 years ago, OCT technology helps stop blindness
The Association for Research in Vision and Ophthalmology today published a special anniversary edition in their journal Investigative Ophthalmology & Visual Science with more than 70 articles to commemorate the 25th anniversary of the invention of Optical Coherence Tomography technology, co-invented by Oregon Health & Science University Casey Eye Institute's David Huang, M.D., Ph.D. while Huang was a Ph.D. student with James Fujimoto, Ph.D. at Massachusetts Institute of Technology.

A dengue virus protein alters the blood vessel surface and makes it leaky
The major symptom of severe dengue disease is leakage of blood plasma out of small blood vessels, which can lead to shock and death.

Why scientists are calling for experiments on ecstasy
MDMA, more commonly known as ecstasy, promotes strong feelings of empathy in users and is classified as a Schedule 1 drug -- a category reserved for compounds with no accepted medical use and a high abuse potential.

New control strategies needed for Zika and other unexpected mosquito-borne outbreaks
A recent spate of unexpected mosquito-borne disease outbreaks -- most recently the Zika virus, which has swept through parts of the Americas -- have highlighted the need to better understand the development and spread of little-known diseases and for new strategies to control them, a new review by Johns Hopkins Bloomberg School of Public Health researchers suggests.

Record-breaking volcanic kettle on Iceland explored
The Bardarbunga eruption on Iceland has broken many records. The event in 2014 was the strongest in Europe since more than 240 years.

Early preschool bedtimes cut risk of obesity later on
For the first time, researchers have found that preschoolers who go to bed later -- even if just by an hour -- have a higher chance of becoming obese teens.

Ecologists identify potential new sources of Ebola and other filoviruses
Worried about Ebola? Ecologists identify bats most likely to be filovirus carriers and map potential hotspots.

Moderately reducing calories in non-obese people reduces inflammation
Eating less may help us lead longer, healthier lives, according to new results from a large, multicenter study led by Tufts researchers.

RIT/NTID receives Motorola Solutions Foundation Innovation Generation Grant
Rochester Institute of Technology's National Technical Institute for the Deaf has received a grant for $30,000 as part of the Innovation Generation Grant program from the Motorola Solutions Foundation, the charitable arm of Motorola Solutions Inc.

Have you ever had real wasabi? Probably not (video)
Sushi wouldn't be the same without wasabi. But odds are that even if you have dined at a nice sushi restaurant, you probably haven't had real wasabi.

UD researchers look at programs to incentivize cover crop adoption
A new interdisciplinary study led by the University of Delaware and funded by the USDA is going to investigate what aspects of best management practices -- specifically related to cover crops -- farmers in Maryland and Ohio prefer.

Genomes from Zagros mountains reveal different Neolithic ancestry of Europeans & South Asians
This week, an international research team led by palaeogeneticists of Johannes Gutenberg University Mainz published a study in the journal Science showing that the earliest farmers from the Zagros mountains in Iran, i.e., the eastern part of the Fertile Crescent, are neither the main ancestors of Europe's first farmers nor of modern-day Europeans.

The unexpected: Cold snaps in the sub-tropics, drought in rainforests
Cold snaps in sub-tropical ecosystems, life under cities in soils, drought in rainforests, and desertification in grasslands are among the topics featured at the 2016 meeting of the Ecological Society of America (ESA), held from Aug.

Red meat consumption linked with increased risk of developing kidney failure
Red meat intake was strongly associated with an increased risk of kidney failure among Chinese adults in Singapore who were followed for an average of 15.5 years.

The tortoise and the hare and deep geologic time
Eppes and colleagues measure real-time rock cracking for a boulder sitting on the ground in open sun.

Four steps for validating stem cells
Scientists at EPFL and in the US have developed a robust method for characterizing human embryonic stem cells and their potential for medical applications.

Scientists and zoos team up on landmark elephant welfare project
Social and environmental interactions may be far more important for elephants than simply the size of their enclosures, reports a team of researchers conducting this largest ever, multi-institutional zoo-elephant welfare project.

Global experts call on UN to mobilize a global action plan to widen access to antibiotics
Today some of the world's experts on antibiotic resistance called on the UN to act to reduce the growing number of deaths due to limited access to effective antibiotics.

Protein pairs make cells remember
Even single cells are able to remember information if they receive the order from their proteins.

UBC researchers determine vineyards adversely affect soil quality
UBC biologists are digging under vineyards to see if the Okanagan's grape industry is affecting soil quality.

Measuring arsenic in Bangladesh's rice crops
University of Massachusetts Amherst analytical chemist Julian Tyson and his student Ishtiaq 'Rafi' Rafiyu are partnering with Chemists Without Borders (CWB) to develop a low-cost, easy-to-use test kit to measure arsenic in Bangladesh's rice supply, offering consumers information on exposure.

Biodiversity falls below 'safe levels' globally
Levels of global biodiversity loss may negatively impact on ecosystem function and the sustainability of human societies, according to UCL-led research.

NASA analyzes Hurricane Darby's winds, convection
NASA found the strongest winds in Hurricane Darby were occurring on its eastern side before northeasterly wind shear started affecting the storm.

Researchers find exceptional species diversity on island in Philippines
An island in the Philippines is showing the greatest concentration of mammal diversity in the world.

Rhode Island childcare centers using federal nutrition subsidy served healthier food
A new analysis of survey responses from more than 100 child daycare center directors suggests that stronger nutritional guidelines, like those enforced by a federal food subsidy program for low-income kids, lead to healthier meals.

Study suggests physical cause for cell death in dry preservation
Brine shrimp do it, water bears do it, why can't we dry preserve snow leopard or golden toad embryos and keep them on the shelf?

A federal origin of Stone Age farming
The transition from hunter-gatherer to sedentary farming 10,000 years ago occurred in multiple neighboring but genetically distinct populations according to research by an international team including UCL.

Surface composition determines temperature and therefore habitability of a planet
Astronomers from KU Leuven, Belgium, have shown that the interaction between the surface and the atmosphere of an exoplanet has major consequences for the temperature on the planet.

Fish get arthritis, too
The very first bony fish on Earth was susceptible to arthritis, according to a USC-led discovery that may fast-track therapeutic research in preventing or easing the nation's most common cause of disability.

USU ecologists propose new method to probe population growth questions
To close the gap between contemporary reality and demographic theory, Utah State University ecologists and colleagues developed a set of transient life table response experiments for decomposing realized population growth rates into contributions from specific vital rates and components of population structure.

Book: Juries robbed of power by federal government, states
Despite their significant presence in the Constitution, juries have largely disappeared from the US legal system, according to a recently published book by University of Illinois law professor Suja A.

Ability to turn off genes in brain crucial for learning, memory
Every time you play sports, make a cup of coffee or flick a light switch, you are turning on genes in your brain.

Lipidomics research on course for transformation with new funding
Our understanding of the role of lipids in the development of diseases such as heart disease and dementia is about to get a boost as a UK-led consortium receives a £1.3 million grant to host the world's largest curated lipid database and associated resources.

Defining what it means to be a naive stem cell
Whitehead Institute scientists have created a checklist that defines the 'naive' state of cultured human embryonic stem cells.

3-D imaging reveals unexpected arrangement of plaques in Alzheimer's-afflicted brains
Rockefeller University researchers have used a recently-developed imaging technique that makes tissue transparent to visualize brain tissue from deceased patients with Alzheimer's disease, exposing nonrandom, higher-order structures of beta amyloid plaques -- sticky clumps of a toxic protein typically found in the brains of people with Alzheimer's.

City birds again prove to be angrier than rural birds
The researchers' observations shed light on the effects of human population expansion on wildlife.

A 'matryoshka' in the interstellar medium
Researchers at the Instituto de Astrofísica de Canarias (IAC) found the first case of three concentric supernova remnants.

Scientists show newborn ducklings can acquire notions of 'same' and 'different'
Scientists from the University of Oxford have shown that newly hatched ducklings can readily acquire the concepts of 'same' and 'different' -- an ability previously known only in highly intelligent animals such as apes, crows and parrots.

Rock salt holds the key to a paradigm shift
A team of international scientists from China, France, Scotland, United States and led by Canadian Professors Nigel Blamey and Uwe Brand of Brock University in southern Ontario made a scientific breakthrough by measuring the oxygen content of Earth's ancient atmosphere.

Researchers discover new genetic mutation linked to osteonecrosis of the hip
Osteonecrosis or 'bone death' of the femoral head is a disease caused by interruption of blood flow in the hip bone. 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