Researchers from the Institute of Process Engineering (IPE) of the Chinese Academy of Sciences and Nanjing Normal University recently reported a strategy for boosting the electrocatalytic performance of palladium (Pd) in ethanol oxidation reaction, the key anodic reaction of direct ethanol fuel cells (DEFCs), offering a rational concept for finely engineering the surface of electrocatalysts used in high-efficiency energy conversion devices and beyond. The study was published in Cell Reports Physical Science on Mar. 1. DEFCs, with ethanol as fuel, have the advantage of high energy density, low toxicity and easy operation. However, the lack of active and robust electrocatalysts ...

Rising temperatures could reduce the efficiency of food chains and threaten the survival of larger animals, new research shows. Scientists measured the transfer of energy from single-celled algae (phytoplankton) to small animals that eat them (zooplankton). The study - by the University of Exeter and Queen Mary University of London, and published in the journal Nature - found that 4°C of warming reduced energy transfer in the plankton food webs by up to 56%. Warmer conditions increase the metabolic cost of growth, leading to less efficient energy flow through the ...

Researchers in the Muir Lab at Princeton University's Department of Chemistry have completed the first comprehensive analysis of cancer-associated histone mutations in the human genome, featuring both biochemical and cellular characterizations of these substrates. Their study reports that histone mutations that perturb nucleosome remodeling may contribute to the development or progression of a wide range of human cancers. Within the human genome, DNA is wrapped around disc-shaped structures made up of eight histone proteins, each forming nucleosomes. Repeating nucleosome units comprise chromatin, a storehouse of genetic information that is both structured and dynamic. Broadly, the Muir Lab seeks to understand how chromatin controls genetic processes in the cell and how disruption ...

MADISON, Wis. -- Grafting neurons grown from monkeys' own cells into their brains relieved the debilitating movement and depression symptoms associated with Parkinson's disease, researchers at the University of Wisconsin-Madison reported today. In a study published in the journal Nature Medicine, the UW team describes its success with neurons made from induced pluripotent stem cells from the monkeys' own bodies. This approach avoided complications with the primates' immune systems and takes an important step toward a treatment for millions of human Parkinson's patients. "This result in primates is ...

Extreme rainfall associated with climate change is causing harm to babies in some of the most forgotten places on the planet setting in motion a chain of disadvantage down the generations, according to new research in Nature Sustainability. Researchers from Lancaster University and the FIOCRUZ health research institute in Brazil found babies born to mothers exposed to extreme rainfall shocks, were smaller due to restricted foetal growth and premature birth. Low birth-weight has life-long consequences for health and development and researchers say their findings are evidence of climate extremes causing intergenerational disadvantage, especially for socially-marginalized Amazonians in forgotten places. Climate extremes can affect the health of mothers and their unborn babies in ...

BINGHAMTON, NY -- Neandertals -- the closest ancestor to modern humans -- possessed the ability to perceive and produce human speech, according to a new study published by an international multidisciplinary team of researchers including Binghamton University anthropology professor Rolf Quam and graduate student Alex Velez. "This is one of the most important studies I have been involved in during my career", says Quam. "The results are solid and clearly show the Neandertals had the capacity to perceive and produce human speech. This is one of the very few current, ongoing research lines relying on fossil evidence to study the evolution of language, a notoriously ...

More than 20 million people 65 years and older present to emergency departments each year in the United States. Roughly one third of those patients are admitted to the hospital often because they cannot be safely discharged to their home. For an older patient, hospitalization comes with the increased risk of infection, falls, delirium, functional decline and death. Hospitalizations also come with increased cost to the patient, provider and payer. According to the Centers for Medicare & Medicaid Services (CMS), the average cost of an inpatient hospital stay is more than $13,800 per Medicare beneficiary. As the U.S. population ages, more hospitals are implementing geriatric emergency ...

As the planet warms, scientists expect that mountain snowpack should melt progressively earlier in the year. However, observations in the U.S. show that as temperatures have risen, snowpack melt is relatively unaffected in some regions while others can experience snowpack melt a month earlier in the year. This discrepancy in the timing of snowpack disappearance--the date in the spring when all the winter snow has melted--is the focus of new research by scientists at Scripps Institution of Oceanography at the University of California San Diego. In a new study published March 1 in the journal Nature Climate ...

For the first time, scientists have assessed how many corals there are in the Pacific Ocean--and evaluated their risk of extinction. While the answer to "how many coral species are there?" is 'Googleable', until now scientists didn't know how many individual coral colonies there are in the world. "In the Pacific, we estimate there are roughly half a trillion corals," said the study lead author, Dr Andy Dietzel from the ARC Centre of Excellence for Coral Reef Studies at James Cook University (Coral CoE at JCU). "This is about the same number of trees in the Amazon, or ...

UNIVERSITY OF CALIFORNIA, SAN FRANCISCO UNIVERSITY OF TORONTO Toronto, ON - Children in the United States who have more screen time at ages 9-10 are more likely to develop binge-eating disorder one year later, according to a new national study. The study, published in the International Journal of Eating Disorders on March 1, found that each additional hour spent on social media was associated with a 62% higher risk of binge-eating disorder one year later. It also found that each additional hour spent watching or streaming television or movies led to a 39% ...

HANOVER, N.H. - March 1, 2020 - During World War II, British intelligence agents planted false documents on a corpse to fool Nazi Germany into preparing for an assault on Greece. "Operation Mincemeat" was a success, and covered the actual Allied invasion of Sicily. The "canary trap" technique in espionage spreads multiple versions of false documents to conceal a secret. Canary traps can be used to sniff out information leaks, or as in WWII, to create distractions that hide valuable information. WE-FORGE, a new data protection system designed at Dartmouth's Department ...

Assessing a drug compound by its activity, not simply its structure, is a new approach that could speed the search for COVID-19 therapies and reveal more potential therapies for other diseases. This action-based focus -- called biological activity-based modeling (BABM) -- forms the core of a new approach developed by National Center for Advancing Translational Sciences (NCATS) researchers and others. NCATS is part of the National Institutes of Health (NIH). Researchers used BABM to look for potential anti-SARS-CoV-2 agents whose actions, not their structures, are similar to those of compounds already shown to be effective. NCATS scientists ...

The hidden social, environmental and health costs of the world's energy and transport sectors is equal to more than a quarter of the globe's entire economic output, new research from the University of Sussex Business School and Hanyang University reveals. According to analysis carried out by Professor Benjamin K. Sovacool and Professor Jinsoo Kim, the combined externalities for the energy and transport sectors worldwide is an estimated average of $24.662 trillion - the equivalent to 28.7% of global Gross Domestic Product. The study found that the true cost of coal should be more than twice as high as current prices when factoring in the currently unaccounted ...

A study by two researchers at the UPF Department of Political and Social Sciences (DCPIS) has examined the effect of selecting party leaders by direct vote by the entire membership (a process known in southern Europe as "primaries" and in English-speaking countries as "one-member-one -vote", OMOV) on the likelihood of a woman winning a leadership competition against male rivals. Javier Astudillo and Andreu Paneque, a tenured lecturer and PhD with the DCPIS, respectively, and members of the Institutions and Political Actors Research Group, are the authors of the article published recently in the journal ...

TROY, N.Y. -- The era of widespread remote learning brought about by the COVID-19 pandemic requires online testing methods that effectively prevent cheating, especially in the form of collusion among students. With concerns about cheating on the rise across the country, a solution that also maintains student privacy is particularly valuable. In research published today in npj Science of Learning, engineers from Rensselaer Polytechnic Institute demonstrate how a testing strategy they call "distanced online testing" can effectively reduce students' ability to receive help from one another in order to score higher on a test taken at individual homes during social distancing. "Often in remote online exams, students ...

A group of researchers including Tiago Falótico, a Brazilian primatologist at the University of São Paulo's School of Arts, Sciences and Humanities (EACH-USP), archeologists at Spain's Catalan Institute of Human Paleoecology and Social Evolution (IPHES) and University College London in the UK, and an anthropologist at the Max Planck Institute for Evolutionary Anthropology in Germany, have published an article in the Journal of Archeological Science: Reports describing an analysis of stone tools used by bearded capuchin monkeys (Sapajus libidinosus) that inhabit ...

Researchers at CÚRAM, the SFI Research Centre for Medical Devices based at National University of Ireland Galway, and BIOFORGE Lab, at the University of Valladolid in Spain, have developed an injectable hydrogel that could help repair and prevent further damage to the heart muscle after a heart attack. The results of their research have just been published in the prestigious journal Science Translational Medicine. Myocardial infarction or heart disease is a leading cause of death due to the irreversible damage caused to the heart muscle (cardiac tissue) during a heart attack. The regeneration of cardiac tissue is minimal so that the damage caused cannot be repaired by itself. ...

Because walleyes are a cool-water fish species with a limited temperature tolerance, biologists expected them to act like the proverbial "canary in a coal mine" that would begin to suffer and signal when lakes influenced by climate change start to warm. But in a new study, a team of researchers discovered that it is not that simple. "After analyzing walleye early-life growth rates in many lakes in the upper Midwest over the last three decades, we determined that water clarity affects how growth rates of walleyes change as lakes start to warm," said Tyler Wagner, Penn State adjunct professor of fisheries ecology. ...

The Earth's surface is subject to continual changes that dynamically shape natural landscapes. Global phenomena like climate change play a role, as do short-term, local events of natural or human origin. The 3D Geospatial Data Processing (3DGeo) research group of Heidelberg University has developed a new analysis method to help improve our understanding of processes shaping the Earth's surface like those observed in coastal or high-mountain landscapes. Unlike conventional methods that usually compare two snapshots of the topography, the Heidelberg approach can determine - fully automatically and over long periods - when and where surface alterations occur and which type of associated changes they represent. The method, known ...

A team of researchers from New York University and the New York Genome Center has developed a new computational tool to help understand the function and regulation of human genes. The results, published today in the journal Nature Genetics, demonstrate how to interpret experiments that combine the use of CRISPR to perturb genes along with multimodal single-cell sequencing technologies. The article describes how the new approach, called mixscape, helped to identify a new molecular mechanism for the regulation of immune checkpoint proteins that govern the immune system's ability to identify and destroy cancer cells. "Our approach will help scientists to connect ...

The scientists have demonstrated how to structure light such that its polarization behaves like a collective of spins in a ferromagnet forming half-skyrmion (also known as merons). To achieve this the light was trapped in a thin liquid crystal layer between two nearly perfect mirrors. Skyrmions in general are found, e.g., as elementary excitations of magnetization in a two-dimensional ferromagnet but do not naturally appear in electromagnetic (light) fields. One of the key concepts in physics, and science overall is the notion of a "field" which can describe the spatial distribution ...

A joint research team co-led by City University of Hong Kong (CityU) has developed a new soft tactile sensor with skin-comparable characteristics. A robotic gripper with the sensor mounted at the fingertip could accomplish challenging tasks such as stably grasping fragile objects and threading a needle. Their research provided new insight into tactile sensor design and could contribute to various applications in the robotics field, such as smart prosthetics and human-robot interaction. Dr Shen Yajing, Associate Professor at CityU's Department of Biomedical Engineering ...

By analyzing blood samples from individuals infected with SARS-CoV-2, researchers in Singapore have begun to unpack the different responses by the body's T cells that determine whether or not an individual develops COVID-19. The study, published today in the Journal of Experimental Medicine (JEM), suggests that clearing the virus without developing symptoms requires T cells to mount an efficient immune response that produces a careful balance of pro- and anti-inflammatory molecules. Many people infected with the SARS-CoV-2 virus do not develop any symptoms, and the infection ...

UNIVERSITY PARK, Pa. -- The rate of suicide among post-9/11 military veterans has been rising for nearly a decade. While there are a number of factors associated with suicide, veterans have unique experiences that may contribute to them thinking about killing themselves. "Compared to their civilian peers, veterans are more likely to report having experienced traumatic adverse childhood experiences (ACEs) such as physical and emotional abuse," stated Keith Aronson, associate director of the Clearinghouse for Military Family Readiness at Penn State and the Social Science Research Institute ...

LAWRENCE -- A new study from University of Kansas journalism & mass communication researchers examines what influences people to be susceptible to false information about health and argues big tech companies have a responsibility to help prevent the spread of misleading and dangerous information. Researchers shared a fake news story with more than 750 participants that claimed a deficiency of vitamin B17 could cause cancer. Researchers then measured if how the article was presented -- including author credentials, writing style and whether the article was labeled as "suspicious" or "unverified" -- affected how participants perceived its credibility and whether they would adhere to the article's recommendations or share it on social media. The findings showed that ...