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Science News for March 16, 2022


World’s vulnerable are being polluted in their own homes as they cook, finds new Surrey study

A new study from the University of Surrey found that three-quarters of kitchens in low-income homes across 12 major global cities are heavily polluted by cooking emissions. The most significant contributors to poor air quality were poor ventilation and fuel choices, with frying food leading to particularly high levels of indoor pollution.

SourceUniversity of Surrey·JournalEnvironment International·TypeData/statistical analysis·DateMar 16, 2022

The early pandemic’s effect on engineering students’ learning

The study found that while some students felt a sense of loss due to limited access, others saw the challenge as an opportunity to problem-solve and build flexibility. The researchers emphasize the importance of interpersonal relationships and instructors' resources in enhancing educational experiences.

SourcePenn State·JournalJournal of Engineering Education·DateMar 16, 2022

Scientists from Korea’s KIMM and NTU Singapore devise new technique to increase chip yield from semiconductor wafer

A new chemical-free printing technique has been developed by Korean and Singaporean researchers, resulting in highly uniform and scalable semiconductor wafers with improved performance. The technique, which combines nanotransfer-based printing with metal-assisted chemical etching, offers a promising solution to the global chip shortage...

On the brink of giving up? Scientists confirm mindfulness meditation can help in internal conflicts

A study by researchers at the University of Quebec in Montreal found that mindfulness meditation can help people cope with internal conflicts. The experiment involved 121 volunteers who underwent either a mindfulness body scan or read magazines for 15 minutes, then completed a questionnaire about their emotional state.

SourceThe Polish Association of Social Psychology·JournalSocial Psychological Bulletin·DateMar 16, 2022

Sustainably sourcing coal waste

The project aims to find efficient ways to use graphene particles from domestic coal wastes in Fused Deposition Modeling (FDM) 3D printing, increasing the carbon content of filaments and developing new materials. This technology could lead to a more sustainable future by reducing greenhouse gas emissions.

A fresh perspective on Picket-Spengler reaction with α-ketoesters as a new carbonyl source

Researchers from Nagoya Institute of Technology have successfully demonstrated the first enantioselective Pictet-Spengler reaction of acyclic α-ketoesters with tryptamines, achieving high yields and enantioselectivity. The study expands the scope of the process, which could accelerate drug development.

SourceNagoya Institute of Technology·JournalOrganic Letters·TypeExperimental study·DateMar 16, 2022

Using Artificial Intelligence to solve one of health care’s most enduring problems

Incidental imaging findings in medical imaging studies are often overlooked by providers, leading to delayed and missed care. Northwestern Medicine's AI-powered system identifies these findings and triggers alerts for follow-up, improving patient outcomes. The system has been shown to flag over 68,000 lung finding occurrences per year.

SourceNorthwestern Memorial HealthCare·JournalNEJM Catalyst·DateMar 16, 2022

‘Self-driving’ lab speeds up research, synthesis of energy materials

Researchers at NC State University have developed a 'self-driving lab' that uses artificial intelligence and fluidic systems to advance our understanding of metal halide perovskite nanocrystals. The technology can autonomously dope MHP nanocrystals, adding manganese atoms on demand, allowing for faster control over properties.

SourceNorth Carolina State University·JournalAdvanced Intelligent Systems·TypeExperimental study·DateMar 16, 2022

Novel theory of entropy may solve materials design issues

Researchers at Penn State have developed Zentropy theory, a new approach to understanding entropy that can predict anomalies in physical properties like volume. The theory may lead to breakthroughs in designing superconducting materials and structural materials that withstand higher temperatures.

SourcePenn State·JournalJournal of Phase Equilibria and Diffusion·DateMar 16, 2022

Bacteria in the bile duct may provide a new clue for treating liver disease

Researchers discovered a link between the immune system and microbiome in primary sclerosing cholangitis (PSC), a liver disease associated with inflammatory bowel disease. MAIT cells activated by bile-derived pathogens could play an important role in PSC pathophysiology, offering potential new treatment implications.

SourceElsevier·JournalAmerican Journal Of Pathology·TypeExperimental study·DateMar 16, 2022

Visionary progress

A retinal stem cell patch has survived for two years after implantation and continues to function without triggering immune rejection. The patch, developed through a collaboration of researchers, is one step closer to securing FDA approval and potentially restoring vision to millions of people affected by age-related macular degeneration.

SourceUniversity of California - Santa Barbara·JournalStem Cell Reports·DateMar 16, 2022

KANPHOS: Newly developed database for kinase-associated protein phosphorylation eases neural signaling research

The newly developed KANPHOS database provides comprehensive information on kinase-associated protein phosphorylation, facilitating research into neural signaling pathways. The database contains information on phosphoproteins, phosphorylation sites, and participant kinases, allowing for searches based on various parameters.

SourceFujita Health University·JournalCells·TypeExperimental study·DateMar 16, 2022

Study identifies key barriers to innovation among medical trainees

A new survey conducted by Massachusetts General Hospital researchers reveals that medical students, residents, and fellows do not see themselves as innovators. The study identifies key impediments to innovation, such as limited time and energy, lack of physical resources, and expertise gaps, but also highlights potential solutions like...

SourceMassachusetts General Hospital·JournalNature Biotechnology·TypeSurvey·DateMar 16, 2022

Countering gut inflammation

Research identifies three bacterial metabolites and corresponding genes that affect immune cell activity, providing a novel mechanistic insight into gut immunity. The findings suggest restoring these compounds or bacteria could lead to therapeutic treatments for inflammatory diseases.

SourceHarvard Medical School·JournalNature·TypeExperimental study·DateMar 16, 2022

The “Deciding Not to Decide” option can improve older adult patient care

A new study suggests including the 'Deciding Not to Decide' treatment option can improve care for older adults with chronic kidney disease, giving them more time to make informed decisions about their treatment. Researchers argue that this approach strengthens patient-centered care and increases patient autonomy.

SourceRutgers University·JournalJournal of the American Society of Nephrology·TypeObservational study·DateMar 16, 2022

Heartland virus identified in lone star ticks in Georgia

Scientists at Emory University have identified Heartland virus in lone star ticks in central Georgia, confirming its active transmission within the state. The study reveals that the virus is evolving rapidly and may be confined to isolated areas, highlighting the need for further research on this emerging infectious disease.

SourceEmory University·JournalEmerging Infectious Diseases·TypeData/statistical analysis·DateMar 16, 2022

Study: Exposure to phthalates — the 'everywhere chemical' — may increase children’s cancer risk

A study published in the Journal of the National Cancer Institute has linked exposure to phthalates to higher incidence of specific childhood cancers. Childhood but not gestational phthalate exposure was associated with a 20% higher rate of childhood cancer overall, as well as increased rates of osteosarcoma and lymphoma diagnosis.

SourceUniversity of Vermont·JournalJNCI Journal of the National Cancer Institute·TypeData/statistical analysis·DateMar 16, 2022

Shapeable carbon fiber networks with hierarchical porous structure for high-performance Zn–I2 batteries

Researchers develop a new type of flexible cathode material that combines hierarchical porous structure with nitrogen doping, allowing for efficient iodine accommodation and stable electrochemical environment. The material exhibits impressive long-time cycling durability and high reversible capacity in zinc-iodine batteries.

SourceScience China Press·JournalScience China Chemistry·DateMar 16, 2022

3D matrix ultrasound accurately identifies cardiovascular injury in healthy individuals

A new 3D matrix ultrasound method has been developed to assess cardiovascular risk in healthy individuals, offering a reliable and accurate alternative to traditional methods. The technique shows promise for personalized prevention and treatment strategies by detecting and quantifying an individual's accumulated cardiovascular damage.

SourceCentro Nacional de Investigaciones Cardiovasculares Carlos III (F.S.P.)·JournalJACC Cardiovascular Imaging·TypeRandomized controlled/clinical trial·DateMar 16, 2022

A call for community self-governance on digital sequence information sharing

A recent viewpoint article highlights the need for open access to digital sequence information (DSI) to facilitate real-time responses to global crises. The authors propose community self-governance as a solution to enable international collaboration, improve benefit-sharing mechanisms, and promote equitable sharing of DSI benefits.

SourceAmerican Institute of Biological Sciences·JournalBioScience·TypeCommentary/editorial·DateMar 16, 2022

Tropical methane emissions contribute largely to recent changes in global atmospheric methane growth rate

A recent study reveals that tropical terrestrial methane emissions account for over 80% of the observed changes in global atmospheric methane growth rate between 2010 and 2019. This finding underscores the significant impact of methane on climate change, with methane concentrations more than doubling since the pre-industrial era.

SourceChinese Academy of Sciences Headquarters·JournalNature Communications·DateMar 16, 2022

Discovery uncovers a new leaf for redwoods

Researchers discovered that redwood trees have two functionally distinct leaves: one type specializes in converting sunlight into sugar through photosynthesis, while the other absorbs water. This adaptation allows the world's tallest trees to survive in a range of conditions, from wet forests to dry environments.

SourceUniversity of California - Davis·JournalAmerican Journal of Botany·TypeMeta-analysis·DateMar 16, 2022

What do grasshoppers eat? It’s not just grass! New Leicester research shows similarities with mammal teeth like never before

Researchers at the University of Leicester identified striking similarities between grasshopper mandibles and mammal teeth, enabling accurate predictions of their diets. The study used 3D imaging techniques to map the shape of grasshoppers' mouthparts, revealing differences linked to diet, such as steeper slopes for carnivorous species.

SourceUniversity of Leicester·JournalMethods in Ecology and Evolution·TypeObservational study·DateMar 16, 2022

Promotion of the oxygen evolution catalytic performance of Ni–Fe layered hydroxides via the introduction of a proton-transfer mediator anion

Researchers introduced a proton-transfer mediator anion to Ni-Fe layered hydroxides, significantly enhancing oxygen evolution reaction performance. The resulting catalyst showed excellent electrocatalytic activity with ultralow Tafel slope and high proton transfer rate, accelerating the reaction.

SourceScience China Press·JournalScience China Chemistry·DateMar 16, 2022

Study finds association between cigarette tax and reduced infant deaths

A study analyzing data from 159 countries found that raising tobacco taxes is associated with a significant reduction in neonatal and infant mortality rates. The research suggests that implementing recommended WHO tobacco tax rates could lead to substantial decreases in these deaths, potentially saving up to 231,220 infant lives annually.

SourcePLOS·JournalPLOS Global Public Health·TypeObservational study·DateMar 16, 2022

Midwestern US has lost 57.6 billion metric tons of soil due to agricultural practices, study finds

A new study led by UMass Amherst finds that human-caused erosion in the US Midwest has lost nearly double the average sustainable rate, with plowing identified as the major culprit. The team's research estimates that the region has lost approximately 57.6 billion metric tons of topsoil since farming began 160 years ago.

SourceUniversity of Massachusetts Amherst·JournalEarth s Future·DateMar 16, 2022

Trial testing cocoa flavanol supplement shows promise for reducing cardiovascular risk

A randomized, placebo-controlled trial found that a cocoa flavanol supplement reduced cardiovascular death by 27% and total cardiovascular events by 10%. The study also showed no significant effect on cancer risk. Further investigation is warranted to understand the effects of cocoa flavanols on cardiovascular health.

SourceBrigham and Women's Hospital·JournalAmerican Journal of Clinical Nutrition·DateMar 16, 2022

A new “truth” about the rainforest: How Bolsonaro’s supporters misuse satellite data

A new study reveals how Bolsonaro's supporters are misusing satellite data to promote economic development at the expense of environmental protection. The researchers found that far-right groups are creating alternative 'truths' about deforestation, questioning the validity of scientific findings and sowing confusion among the public.

SourceResearch Institute for Sustainability (RIFS) – Helmholtz Centre Potsdam·JournalEarth System Governance·TypeMeta-analysis·DateMar 16, 2022

NTU Singapore scientists develop novel “Trojan horse” drug delivery system using protein-based microdroplets

Researchers at NTU Singapore have developed a novel drug delivery system using protein-based microdroplets that can bypass the cell membrane and deliver biomacromolecules effectively. This breakthrough enables faster, safer, and more effective treatments for diseases such as cancer and metabolic disorders.

SourceNanyang Technological University·JournalNature Chemistry·DateMar 16, 2022

Largest ever psychedelics study maps changes of conscious awareness to neurotransmitter systems

A team of researchers from McGill University and other institutions analyzed 6,850 testimonials from psychedelic users, creating a 3D map of brain receptors linked to subjective experiences. The study found associations between serotonin receptors and ego-dissolution, suggesting potential new treatments for psychiatric conditions.

SourceMcGill University·JournalScience Advances·TypeData/statistical analysis·DateMar 16, 2022

ACC issues clinical guidance on cardiovascular consequences of COVID-19

The American College of Cardiology has issued clinical guidance on the evaluation and management of adults with key cardiovascular consequences of COVID-19. The document provides recommendations for diagnosing and treating myocarditis and managing long COVID, including a framework for safe return to play for athletes.

SourceAmerican College of Cardiology·JournalJournal of the American College of Cardiology·TypeLiterature review·DateMar 16, 2022

ECOG-ACRIN opens a new NCI-MATCH treatment arm for dMMR and LAG-3-positive cancers as it continues to locate patients with BRAF mutations

The ECOG-ACRIN Cancer Research Group has opened a new treatment arm in the NCI-MATCH trial for patients with DNA mismatch repair deficiency and LAG-3 expression. The trial is evaluating two immunotherapy combinations: relatlimab plus nivolumab and dabrafenib plus trametinib, both targeting BRAF mutations.

SourceECOG-ACRIN Cancer Research Group·TypeExperimental study·DateMar 16, 2022

U of M researchers finds that losartan is not effective in reducing COVID-19 lung injuries

A study published in JAMA Network Open found that losartan treatment did not reduce lung injury in patients admitted with COVID-19, but may be needed for blood pressure support. Researchers emphasize the need for repurposing inexpensive medications to contain healthcare costs.

SourceUniversity of Minnesota Medical School·JournalJAMA Network Open·TypeRandomized controlled/clinical trial·DateMar 16, 2022

Computer simulation brings us closer to schools of fishlike underwater research drones

Researchers at Skoltech used a 3D simulation to show that small fish can sense the position and tail beat of their neighbors through water pressure variations, enabling efficient group swimming even in darkness. This mechanism could lead to more energy-efficient aquatic research robots and improved fish behavior studies.

SourceSkolkovo Institute of Science and Technology (Skoltech)·JournalFrontiers in Robotics and AI·DateMar 16, 2022

Study reveals how to activate the immune system’s natural killer cells to protect against cancer and other diseases

Researchers at Massachusetts General Hospital have found that specific proteins surrounding organs and tissues can suppress natural killer cell function. Blocking these interactions could potentially reactivate the cells, providing a new strategy for treating various health conditions, including cancer, autoimmune diseases, and inflamm...

SourceMassachusetts General Hospital·JournalScience Advances·TypeExperimental study·DateMar 16, 2022

Small molecule targets Achilles' Heel of AML, kills cancer cells

Researchers at Cincinnati Children's Hospital Medical Center have identified a protein crucial to AML cell survival and found a small molecule that blocks its function, killing cancer cells in lab dishes and mouse models. This potential breakthrough could lead to novel therapies for AML and other conditions.

SourceCincinnati Children's Hospital Medical Center·JournalScience Translational Medicine·TypeExperimental study·DateMar 16, 2022

Health Equity is named the official journal of the National Collaborative for Health Equity

The National Collaborative for Health Equity has appointed Health Equity as its official journal, which will publish high-quality research on health disparities and health equity. The partnership aims to promote health equity by fostering racial healing, harnessing research, and catalyzing partnerships across various sectors.

SourceMary Ann Liebert, Inc./Genetic Engineering News·JournalHealth Equity·TypeCase study·DateMar 16, 2022

Even with statins, high triglycerides may increase risk of second stroke

A new study found that people who have atherothrombotic stroke and high triglyceride levels are at a higher risk of having another stroke or cardiovascular problems one year later. Statin medications can still be an effective treatment for high triglycerides, but diet modifications and exercise may also be necessary to reduce the risk.

SourceAmerican Academy of Neurology·JournalNeurology·TypeObservational study·DateMar 16, 2022

UCLA researcher says focused research and treatment guidelines are needed to ensure ‘behavioral psychedelics’ help patients make lasting, positive change

Researchers from UCLA Health and Harvard Medical School propose a new approach to studying and applying psychedelic compounds to foster intentional changes in habits and behaviors, potentially leading to improved health and resilience.

SourceUniversity of California - Los Angeles Health Sciences·JournalFrontiers in Psychiatry·TypeLiterature review·DateMar 16, 2022

Toxin-producing yeast strains in gut fuel IBD

Researchers at Weill Cornell Medicine found that certain Candida albicans yeast strains produce a potent toxin called candidalysin, which damages immune cells and triggers pro-inflammatory responses. The study suggests a possible way to personalize treatments for IBD patients by targeting these high-damaging strains.

SourceWeill Cornell Medicine·JournalNature·DateMar 16, 2022

Burst of rapid cell motion in 3D tumor model

A new phenomenon was discovered where increased pressure leads to a sudden burst of rapid and coordinated cellular motion, spraying outwards from the tumour. This fluid-like pushing mechanism can kill cancer cells but also enables them to survive and multiply in new environments.

SourceUniversity of Göttingen·JournalAdvanced Science·TypeExperimental study·DateMar 16, 2022

Intensity control of projectors in parallel – a doorway to an augmented reality future

Researchers at Tokyo Institute of Technology have developed a novel method to calculate pixel intensity in parallel, reducing latency and enabling efficient dynamic projection mapping. This breakthrough technology has the potential to advance spatial AR applications and bring us closer to a more immersive AR-centric future.

SourceTokyo Institute of Technology·JournalIEEE Transactions on Visualization and Computer Graphics·TypeExperimental study·DateMar 16, 2022

Those with facial scars rate their own appearance more critically than surgeons and strangers

A new study from the University of Pennsylvania School of Medicine found that patients who underwent facial surgery thought their surgical scars looked worse than surgeons and independent observers did. The researchers suggest that surgeons should counsel patients on what to expect their scars will look like in weeks following surgery.

SourceUniversity of Pennsylvania School of Medicine·JournalFacial Plastic Surgery & Aesthetic Medicine·DateMar 16, 2022

Catalyst for a greener future

Researchers at the University of Delaware have developed a novel catalytic technology that converts non-edible plants into renewable fuels, chemicals and plastics. By pulsing hydrogen gas on and off, they increase the population of active sites on catalysts, allowing reactions to occur up to 10 times faster.

SourceUniversity of Delaware·JournalNature Catalysis·TypeExperimental study·DateMar 16, 2022