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Science News Archive May 2022 - Page 9


Page 9 of 40

Chemists’ HAT trick for greener chemical synthesis

Researchers have found a way to perform hydrogen atom transfer reactions with fewer chemicals and less cost, making it more efficient for industrial and academic settings. The new method uses electrochemistry to create cobalt hydride catalysts, reducing the need for expensive oxidants and reductants.

SourceUniversity of Utah·JournalNature·TypeComputational simulation/modeling·DateMay 25, 2022

Curbing other climate pollutants, not just CO2, gives Earth a chance

A new study finds that reducing emissions of short-lived climate pollutants like methane and ozone can cut the rate of global warming in half by 2050. This approach offers a fighting chance to prevent catastrophic warming and improve our chances of remaining below the 1.5 degree centigrade mark.

SourceDuke University·JournalProceedings of the National Academy of Sciences·TypeComputational simulation/modeling·DateMay 24, 2022

Why are male mice afraid of bananas?

Male mice exhibit increased stress hormones and decreased pain sensitivity when near pregnant or lactating females, which is linked to a specific olfactory signal. This finding has significant implications for improving experiment reliability and represents a breakthrough in mammalian social signaling.

SourceMcGill University·JournalScience Advances·TypeExperimental study·DateMay 24, 2022

Cystic fibrosis: Restoring airway integrity

Researchers discovered that hydrating the surface of airways in people with cystic fibrosis restores their protective barrier against bacterial infections. This breakthrough opens the way to new therapies based on mucus hydration, offering a promising alternative to current treatments.

SourceUniversité de Genève·JournalCells·TypeNews article·DateMay 24, 2022

Continuity of primary care reduces hospitalizations in people with chronic kidney disease

A retrospective cohort study found that poor continuity of care is associated with increased health care use and sub-optimal prescribing of guideline-recommended medications in patients with CKD. Strengthening patient-provider relationships and guiding physicians on recommended prescribing can help mitigate these issues.

SourceAmerican Academy of Family Physicians·JournalThe Annals of Family Medicine·DateMay 24, 2022

Human membrane proteins strike evolutionary balance

A recent study by Seoul National University researchers found that human membrane proteins have evolved to strike a balance between foldability and functionality. The folding pathway of a glucose transporter was elucidated using single-molecule magnetic tweezers, revealing the importance of domain stability in structure formation.

SourceSeoul National University·JournalNature Chemical Biology·DateMay 24, 2022

Silk improves function of surgical masks

Researchers at the University of Cincinnati found that a double layer of silk in combination with a surgical mask can enhance its ability to prevent the spread of viruses like COVID-19. The study also showed that double masking with a silk face mask prolongs the life of surgical masks without impeding breathing comfort.

SourceUniversity of Cincinnati·JournalAerosol and Air Quality Research·TypeExperimental study·DateMay 24, 2022

Dancing in the light

Scientists from Harvard and Pittsburgh develop liquid crystal elastomer material that can perform complex dance-like motions in response to UV light. The material's behavior is inspired by the interconnected structures of the human body, allowing it to seamlessly integrate dynamic processes.

SourceUniversity of Pittsburgh·JournalNature·TypeComputational simulation/modeling·DateMay 24, 2022

The road to success when it comes to mitigating flood disasters

A new study proposes designing permeable pavements to reduce flood impacts in Australia, with the potential to store up to 50% of rainfall and reduce urban flooding by up to 50%. The proposed system takes into account local soil types and rainfall intensity, and has been tested on 107 towns and cities across Australia.

SourceUniversity of South Australia·JournalSustainability·TypeComputational simulation/modeling·DateMay 24, 2022

City of Hope to expand best-in-class supportive care program for cancer patients, strengthen advocacy for the field with $10 million gift from The Sheri and Les Biller Family Foundation

The Sheri and Les Biller Family Foundation has donated $10 million to City of Hope to expand its supportive care programs for cancer patients, improving treatment outcomes and quality of life. The partnership aims to establish supportive care as a standard practice in cancer care across the US.

SourceCity of Hope·TypeNews article·DateMay 24, 2022

Common diabetes drug not effective against early-stage breast cancer, landmark trial reveals

A landmark trial found that a widely used diabetes drug, metformin, is not effective against the most common forms of early-stage breast cancer. However, researchers discovered a potential benefit for individuals with HER2-positive breast cancer, which accounts for about 20% of all breast cancers.

SourceLunenfeld-Tanenbaum Research Institute·JournalJAMA·TypeRandomized controlled/clinical trial·DateMay 24, 2022

A titanic medical discovery

Scientists from Tokyo Medical and Dental University uncover the reason behind titanium implants' excellent biocompatibility, allowing patients to generate less immune response. This breakthrough may lead to safer and less expensive implants for hip replacements and dental procedures.

SourceTokyo Medical and Dental University·JournalScience and Technology of Advanced Materials·DateMay 24, 2022

Toward new degradable polymers

Researchers have developed a new degradable polymer material with improved biodegradability, outperforming existing bioplastics like PLA or PCL. The material can degrade by over 70% in a week, making it suitable for applications such as thermosensitive nanoparticles for medicine administration.

SourceCNRS·JournalNature Communications·TypeExperimental study·DateMay 24, 2022

Price and convenience can drive consumers to purchase cannabis from illegal, rather than legal, sources: Study

A study found that higher prices and inconvenience associated with legal sources drove consumers to purchase cannabis from illegal providers. The main reasons cited by respondents were legal sources being too expensive and inconvenient, with convenience being the second-highest factor.

SourceJournal of Studies on Alcohol and Drugs·JournalJournal of Studies on Alcohol and Drugs·TypeSurvey·DateMay 24, 2022

Scientists develop method for seasonal prediction of Western wildfires

Researchers developed a method to predict Western wildfire severity based on winter and spring climate conditions. The study found that April snowpack has a persistent influence on land and atmosphere during the summer, making it more conducive for fires.

SourceNational Center for Atmospheric Research/University Corporation for Atmospheric Research·JournalEnvironmental Research Letters·TypeData/statistical analysis·DateMay 24, 2022

Highly efficient acousto-optic modulation using nonsuspended thin-film lithium niobate-chalcogenide hybrid waveguides

Scientists have developed a built-in push-pull acousto-optic modulator with high energy overlap, achieving comparable efficiency to suspended counterparts. The device overcomes issues with low modulation efficiency and exhibits excellent characteristics for on-chip microwave-to-optical conversion devices.

Reference genomes provide first insights into genetic roots of mustelid physiological and behavioural diversity

A study comparing whole genomes of several mustelids, including the tayra and wolverine, identifies multiple sources of genomic variation contributing to species-specific traits. The research sheds light on how these adaptations evolved in response to different ecological challenges.

Hospital readmission rates for patients with symptoms of depression decrease with post-discharge support, but program implementation barriers must be resolved

A randomized trial found that enhanced post-discharge telehealth programs reduced 30-day readmission rates among patients with moderate to severe depressive symptoms. However, implementation barriers, such as perceived counseling needs, limited the intervention's impact.

SourceAmerican Academy of Family Physicians·JournalThe Annals of Family Medicine·DateMay 24, 2022

Capturing cortical connectivity close-up

Researchers propose a new method to study neural networks using intrinsic signal optical imaging (ISOI), which provides detailed maps of brain activity in living subjects. The study shows that ISOI can reveal cortical architecture at columnar resolution, offering a more accurate picture of brain network activity than existing methods.

SourceUniversity of Pittsburgh·JournalProgress in Neurobiology·DateMay 24, 2022

Scavengers can be picky eaters

Vertebrate scavengers prefer to dine on the carcasses of herbivores like mallard ducks and chickens, rather than higher-trophic-level vulture remains. This study found that avian and mammal scavengers only consumed a small portion of the vulture carcasses, highlighting the complexity of nutrient cycling through food webs.

SourceUniversity of Georgia·JournalFood Webs·DateMay 24, 2022

The chaotic early phase of the solar system

Researchers analyzed iron samples from asteroid cores to determine the timing of asteroid core cooling and collisions. The study suggests that violent collisions occurred within a 7.8-11.7 million year window after solar system formation, indicating a chaotic early phase.

SourceETH Zurich·JournalNature Astronomy·DateMay 24, 2022

While the fetal clock develops, mom’s behavior tells the time

Researchers discovered that genes in the fetal suprachiasmatic nuclei respond to rhythmic behavior in the mother before the biological clock starts ticking on its own. This finding may have implications for premature babies and highlights the importance of a healthy maternal circadian system during pregnancy.

SourcePLOS·JournalPLOS Biology·TypeExperimental study·DateMay 24, 2022

Online assessment tool helps predict ICU need following surgery

A recent study published in the Journal of the American Medical Association Surgery analyzes data from almost 35,000 surgical patients to evaluate the accuracy of a risk assessment system called SURPAS. The researchers found that the eight-variable SURPAS model accurately predicted post-operative ICU use across nine surgical specialties.

SourceUniversity of Colorado Anschutz Medical Campus·JournalJAMA Surgery·TypeData/statistical analysis·DateMay 24, 2022

Researchers discovered a mechanism shared by mutations in different genes associated with autism, schizophrenia, and other conditions

A study led by Tel Aviv University researchers reveals a common mechanism underlying genetic mutations associated with autism, schizophrenia, and other neurological disorders. The discovery points to an experimental drug developed by the team as a potential treatment for these conditions.

SourceTel-Aviv University·JournalMolecular Psychology Brain Behavior and Society·DateMay 24, 2022

Deaf children with learning delays benefit from cochlear implants more than hearing aids

A new study from Keck Medicine of USC found that cochlear implants improve deaf children's cognitive, adaptive behavior, language, and auditory skills, regardless of developmental impairments. The study suggests that deaf children with learning delays should receive cochlear implants to reach their full potential.

SourceUniversity of Southern California - Health Sciences·JournalPEDIATRICS·TypeObservational study·DateMay 24, 2022