The spiky structure that erupts from the smooth surface of a ferrofluid when a magnet is brought close can be predicted more accurately than previously thought. KAUST researchers have shown that computational algorithms can calculate the ferrofluid's bristling response to a magnet by simulating only the liquid's surface layer. Ferrofluids are liquid suspensions of iron-based particles that behave like a regular fluid, but once a magnet is present, the ferrofluid rapidly shape-shifts to form spikes that align with the magnetic field. Originally developed by NASA, ferrofluids have numerous uses ranging from advanced electronics to nanomedicine and have the potential for even broader use, if their magnetic responses could be predicted more accurately. Dominik Michels and ...

Co-culture: stimulate the metabolic potential and explore the molecular diversity of natural products from microorganisms Announcing a new publication for Marine Life Science & Technology journal. In this review article the authors Xiao-Yue Peng, Jin-Tao Wu, Chang?Lun Shao, Zhi-Yong Li, Min Chen and Chang-Yun Wang from the Ocean University of China, Qingdao, China, Yangzhou University, Yangzhou, China, Qingdao National Laboratory for Marine Science and Technology, Qingdao, China and Shanghai Jiao Tong University, Shanghai, China consider the metabolic potential and molecular diversity of natural products from microorganisms. Microbial secondary metabolites have long ...

Announcing a new publication for Marine Life Science & Technology journal. In this review article the authors Caiwen Li, Meng Li and Qian Huang from Institute of Oceanology, Chinese Academy of Sciences, Qingdao, China consider the impact of the parasitic dinoflagellate Hematodinium on aquaculture of marine crustaceans in China. Hematodinium is a type of parasitic dinoflagellate that infects marine crustaceans globally. The parasite lives mainly in the hemolymph or hemocoels of affected hosts, and results in mortalities due to malfunction or loss of functions of major organs. In recent years, the parasite has developed into an emerging epidemic pathogen not only affecting wild populations of economically valuable marine crustaceans ...

Good news for those who need a cuppa to start the day. Researchers from the National University of Singapore (NUS) have created new probiotic coffee and tea drinks that are packed with gut-friendly live probiotics. Supervised by Associate Professor Liu Shao Quan from the Department of Food Science and Technology at the NUS Faculty of Science, the two doctoral students who worked on these two new beverages assert that their drinks have a great taste, and can be stored chilled or at room temperature for more than 14 weeks without compromising on their probiotic viability. Traditional probiotic carriers like yoghurts and cultured milks are dairy-based products. The rise in veganism, along with common health issues like lactose intolerance, high ...

Today's electronic devices strive for new form factors - to make them foldable, stretchable, and deformable. To produce such devices that are highly stretchable or deformable, it is necessary to develop electrodes and circuit lines whose electrical properties can withstand harsh deformation or mechanical damage. To this, POSTECH-Yonsei University joint research team has recently developed liquid metal ink to accelerate printed electronic devices that can be changed into any shape. Professor Unyong Jeong and Dr. Selvaraj Veerapandian of POSTECH's Department of Materials Science and Engineering, with Professor Aloysius Soon and Dr. Woosun Jang of Yonsei University's Department of Materials Science and Engineering, have developed liquid metal microparticles ...

NIH-supported pilot study found team-based approach may improve buprenorphine care. WHAT: A collaborative approach to treating opioid use disorder that relies heavily on community pharmacists is feasible and may increase adherence and participant satisfaction, according to a pilot study published today in Addiction. The study was supported by the National Institute on Drug Abuse (NIDA), part of the National Institutes of Health, through the NIDA Center for the Clinical Trials Network. Most people with opioid use disorder who would benefit from medication do not receive it. Buprenorphine is a safe and effective ...

DALLAS - Jan. 11, 2021 - A set of biomarkers not traditionally associated with cell fate can accurately predict how genetically identical cells behave differently under stress, according to a UT Southwestern study. The findings, published by Cell Reports as a Dec. 1 cover story, could eventually lead to more predictable responses to pharmaceutical treatments. Groups of the same types of cells exposed to the same stimuli often display different responses. Some of these responses have been linked to slight differences in genetics between individual cells. However, even genetically identical cells can diverge in ...

As the planet continues to warm, the twin challenges of diminishing water supply and growing energy demand are intensifying. But because water and energy are inextricably linked, as we try to adapt to one challenge - say, by getting more water via desalination or water recycling - we may be worsening the other challenge by choosing energy-intensive processes. So, in adapting to the consequences of climate change, how can we be sure that we aren't making problems worse? Now, researchers at the Department of Energy's Lawrence Berkeley National Laboratory (Berkeley Lab), UC Berkeley, and UC Santa Barbara have developed a science-based analytic framework to evaluate such complex connections between water and energy, and options for adaptations in response to an evolving ...

CORVALLIS, Ore. - Researchers in the Oregon State University College of Engineering have developed a battery anode based on a new nanostructured alloy that could revolutionize the way energy storage devices are designed and manufactured. The zinc- and manganese-based alloy further opens the door to replacing solvents commonly used in battery electrolytes with something much safer and inexpensive, as well as abundant: seawater. Findings were published today in Nature Communications. "The world's energy needs are increasing, but the development of next-generation electrochemical energy storage systems with high energy density and long cycling life ...

PULLMAN, Wash. - Biomarkers in human sperm have been identified that can indicate a propensity to father children with autism spectrum disorder. These biomarkers are epigenetic, meaning they involve changes to molecular factors that regulate genome activity such as gene expression independent of DNA sequence, and can be passed down to future generations. In a study published in the journal Clinical Epigenetics on Jan. 7, researchers identified a set of genomic features, called DNA methylation regions, in sperm samples from men who were known to have autistic children. Then in a set of blind tests, the researchers were able to use the presence of these features to determine whether other men had fathered autistic children with 90% ...

New research shows people who pursue meaningful activities - things they enjoy doing - during lockdown feel more satisfied than those who simply keep themselves busy. The study, published in PLOS ONE, shows you're better off doing what you love and adapting it to suit social distancing, like swapping your regular morning walk with friends for a zoom exercise session. Simply increasing your level of activity by doing mindless busywork will leave you unsettled and unsatisfied. Co-lead researcher Dr Lauren Saling from RMIT University in Melbourne, Australia said while novelty lockdown activities - like baking or painting - have their place, trying to continue what you enjoyed before lockdown can be more rewarding. "Busyness might be distracting but it won't necessarily be fulfilling," ...

COVID-19 infections are once again rising at an alarming rate in San Francisco's Latinx community, predominantly among low-income essential workers, according to results of a massive community-based testing blitz conducted before and after the Thanksgiving holiday by Unidos En Salud -- a volunteer-led partnership between the Latino Task Force for COVID-19 (LTF), UC San Francisco , the Chan Zuckerberg Biohub (CZ Biohub), and the San Francisco Department of Public Health (SFDPH). Unidos En Salud launched their "Healthy Holidays" initiative the weekend before Thanksgiving (Nov. 22-24) in San Francisco's Mission District, where they have been perfecting their community-based surveillance testing ...

The genetic material of plants, animals and humans is well protected in the nucleus of each cell and stores all the information that forms an organism. For example, information about the size or color of flowers, hair or fur is predefined here. In addition, cells contain small organelles that contain their own genetic material. These include chloroplasts in plants, which play a key role in photosynthesis, and mitochondria, which are found in all living organisms and represent the power plants of every cell. But is the genetic material actually permanently stored within one cell? No! As so far known, the genetic material can migrate from cell to cell and thus even be exchanged between different organisms. Researchers at the Max Planck Institute of Molecular Plant Physiology (MPI-MP) ...

We are fascinated by machines that can control cars, compose symphonies, or defeat people at chess, Go, or Jeopardy! While more progress is being made all the time in Artificial Intelligence (AI), some scientists and philosophers warn of the dangers of an uncontrollable superintelligent AI. Using theoretical calculations, an international team of researchers, including scientists from the Center for Humans and Machines at the Max Planck Institute for Human Development, shows that it would not be possible to control a superintelligent AI. The study was published in the Journal of Artificial Intelligence Research. Suppose someone ...

When an accident occurs, the reactions of bystanders are important. Researchers have studied whether laypeople realise the severity of the situation when someone in their proximity begins to bleed, and whether they can estimate how much the person is bleeding. The results show a discrepancy related to the victim's gender: for a woman losing blood, both blood loss and life-threatening injuries were underestimated. The study has been published in the scientific journal PLoS One. Researchers from Linköping University and Old Dominion University in the United States wanted to study the ability of laypeople to visually assess blood loss, and what influences them when judging the severity of an injury. "Laypeople's ...

Recent years have provided substantial research displaying the effect of genetic mu-tations on the development of autism and other neurodevelopmental disorders. Based on those studies, researchers have focused attention on the commonalities be-hind those mutations and how they impact on the functioning of the brain. A study conducted by Professor Sagiv Shifman from the Life Sciences Institute at the He-brew University of Jerusalem and the Center for Autism Research has found that genes associated with autism tend to be involved in the regulation of other genes and to operate preferentially in three areas of the brain; the cortex, the striatum, and the cerebellum. The cerebellum ...

Rice is the staple food of about half the world's population. The cultivation of the rice plant is very water-intensive and, according to the German aid organization Welthungerhilfe, around 15 per cent of rice is grown in areas with a high risk of drought. Global warming is therefore becoming increasingly problematic for rice cultivation, leading more and more often to small harvests and hunger crises. Crop failures caused by plant pathogens further aggravate the situation. Here, conventional agriculture is trying to counteract this with pesticides, which are mostly used as a precautionary measure in rice cultivation. The breeding of resistant plants is the only alternative to these environmentally harmful ...

Seeking to understand why COVID-19 is able to suppress the body's immune response, new research from the USC Leonard Davis School of Gerontology suggests that mitochondria are one of the first lines of defense against COVID-19 and identifies key differences in how SARS-CoV-2, the virus that causes COVID-19, interacts with mitochondrial genes when compared to other viruses. These differences offer possible explanations as to why older adults and people with metabolic dysfunction have more severe responses to COVID-19 than other individuals, and they also provide a starting point for more targeted experiments that may help identify therapeutics, said senior author Pinchas Cohen, professor of gerontology, ...

Our bodies often dispatch stem cells to mend or replace biological damage, but how these repair agents make their way through dense tissue to arrive at the scene had been a mystery. "How stem cells squeeze through tissue openings a hundred to a thousand times smaller than themselves had been a perplexing question," says Ovijit Chaudhuri, professor of mechanical engineering. In an article published in the Jan. 8 edition of Science Advances, Chaudhuri and colleagues reveal that stem cells use their nucleus - a large, stiff organelle within the cell - as a means of propulsion. Their discovery was surprising because scientists had thought cells would have particular ...

(St. Louis) - A new study by investigators at the Shriners Hospital for Children -- St. Louis suggests the damaging effects of obesity are not due to body weight but rather come from something much smaller - biochemical signals released by fat cells. The study focuses on the link between overweight or obesity and the development of osteoarthritis, a painful disease of the joints. The investigation was led by Dr. Farshid Guilak, director of the St. Louis Shriners Hospital Research Center. "We've shown here that it's not overloading of the joints that is responsible for osteoarthritis, but, more likely, a factor given off by fat cells that makes cartilage susceptible to degeneration," ...

ATLANTA AND TAMPA, FLA. - JANUARY 11, 2021 - A new study suggests a link between toxoplasma gondii (T. gondii) infection and the risk of glioma, a type of brain cancer, in adults. The report, appearing in the International Journal of Cancer, finds that people who have glioma are more likely to have antibodies to T. gondii (indicating that they have had a previous infection) than a similar group that was cancer free. For the study, investigators led by James Hodge, JD, MPH and Anna Coghill, PhD examined the association between T. gondii antibodies measured several years before the cancer ...

Scientists at Dana-Farber Cancer Institute and the Centers for Disease Control and Prevention have uncovered new evidence of the potential health risks of chemicals in tobacco and marijuana smoke. In a study published online today by END ...

Around 1085 AD, along the southern rim of Northern Arizona's elevated Colorado Plateau, a volcano erupted, forever changing ancient Puebloan fortunes and all nearby life. Among the 600 or so volcanoes that dot the landscape of the San Francisco volcanic fields, this one blew. It was the very first (and last) eruption for what came to be known as Sunset Crater, aptly named for its multi-hued, 1,000-foot-tall cinder cone. Today, ASU School of Earth and Space Exploration scientist Amanda Clarke and her team have been working to solve the mysterious root cause of the Sunset Crater eruption and any lessons learned to better understand the threats similar ...

Fieldwork led by Dr Eleanor Scerri, head of the Pan-African Evolution Research Group at the Max Planck Institute for the Science of Human History in Germany and Dr Khady Niang of the University of Cheikh Anta Diop in Senegal, has documented the youngest known occurrence of the Middle Stone Age. This repertoire of stone flaking methods and the resulting tools includes distinctive ways of producing sharp flakes by carefully preparing nodules of rock, some of which were sometimes further shaped into tool forms known as 'scrapers' and 'points.' Middle Stone Age finds most commonly occur in the African record between around 300 thousand and 30 thousand years ago, after which point ...

Researchers have taken an important step forward in developing a controlled human infection model to test leishmaniasis vaccines. The University of York-led study identified and characterised a new strain of Leishmania parasite that will form the basis of a new controlled human infection model for the disease which is transmitted by the bite of sand flies. The team then produced the parasite to the standards required for use in human clinical studies. The use of controlled human infection models has already proved invaluable in accelerating vaccine development for cholera, malaria, typhoid, ...