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Science News Archive 2022 - Page 153


Page 153 of 448

What makes us share posts on social media?

A new study by University of Pennsylvania researchers found that people share information that is meaningful to themselves or their friends and family. The study analyzed the behavior of over 3,000 individuals and discovered that sharing activates reward centers in the brain and is driven by social relevance.

SourceUniversity of Pennsylvania·JournalJournal of Experimental Psychology General·DateAug 25, 2022

Legalizing recreational cannabis in the U.S. has increased frequency of use by 20%

A new study published in the journal Addiction found that recreational cannabis legalization in US states led to a 20% increase in cannabis use frequency, particularly among identical twin pairs. The study analyzed data from over 1,400 individuals and suggested that recreational legalization caused an increase in cannabis use.

SourceSociety for the Study of Addiction·JournalAddiction·TypeObservational study·DateAug 25, 2022

New weapon targets antibiotic resistance

A new class of light-activated hemithioindigo molecules developed by Rice University scientists kill specific Gram-positive bacteria and their biofilms. The molecules induce reactive oxygen species that chemically attack and destroy drug-resistant cells, offering a safer alternative to conventional antibiotics.

SourceRice University·JournalAdvanced Science·TypeExperimental study·DateAug 25, 2022

University of Cincinnati research examines COVID-19 vaccine hesitancy

The study examines the complex factors contributing to vaccine hesitancy, including mixed media messages and concerns about effectiveness and safety. The researchers found that highly educated individuals were among those hesitant to receive the vaccine, highlighting the need for targeted education approaches.

SourceUniversity of Cincinnati·JournalInternational Journal of Environmental Research and Public Health·TypeSurvey·DateAug 25, 2022

Public auditing for real-time medical sensor data in cloud-assisted HealthIIoT system

Researchers have designed a new online/offline tag generation algorithm to improve preprocessing efficiency and protect medical data privacy. The proposed scheme achieves better auditing performance than previous schemes, addressing the contradiction between high real-time requirements and limited computing power in HealthIIoT devices.

SourceHigher Education Press·JournalFrontiers of Optoelectronics·TypeExperimental study·DateAug 24, 2022

Cell size regulates molecular separation

Research reveals that smaller artificial cells lead to greater separation of molecules, allowing for a new approach to manipulate material properties. This discovery has potential applications in pharmaceuticals and cosmetics industries.

SourceUniversity of Tokyo·JournalACS Materials Letters·TypeExperimental study·DateAug 24, 2022

Many types of leisure time activities may lower risk of death for older adults

Older adults who engage in weekly leisure time activities such as walking, jogging, or playing tennis may have a lower risk of death from any cause, cardiovascular disease, and cancer. Achieving recommended physical activity levels through various activities can lead to significant reductions in mortality risk.

SourceNIH/National Cancer Institute·JournalJAMA Network Open·TypeData/statistical analysis·DateAug 24, 2022

Immune therapies against Chronic Hepatitis B

Researchers propose various immune therapy designs to treat Chronic Hepatitis B, with a focus on improving treatment outcomes and reducing adverse effects. Immune therapies offer an alternate approach to antiviral drugs, which have limitations such as cost and low efficacy.

SourceEhime University·JournalJournal of Gastroenterology·DateAug 24, 2022

Discovery opens way to develop new immunotherapies

Australian researchers have discovered a new mechanism by which T cells can react to lower doses of antigens, leading to a 50-fold increase in T cell activation sensitivity. This finding opens up new possibilities for developing more effective immunotherapies.

SourceMonash University·JournalNature Communications·TypeExperimental study·DateAug 24, 2022

Teachers want support to embrace nature play in primary education

A new Australian study reveals that despite growing interest in nature-based learning, teachers need professional development to effectively integrate it into their teaching practices. The research found that seven out of ten teachers felt limited by their knowledge and confidence in using nature play areas to support curriculum goals.

SourceUniversity of South Australia·JournalJournal of Adventure Education & Outdoor Learning·TypeSurvey·DateAug 24, 2022

Movement of the solar system through the Milky Way’s galactic spiral arms helped form Earth’s first continents

A new study suggests that the solar system's transit through the four primary spiral arms of the Milky Way galaxy may have seeded enhanced production of continental crust on early Earth. The researchers found a correlation between periods of increased crust generation and the solar system's movement into spiral arms, possibly due to co...

SourceGeological Society of America·JournalGeology·DateAug 24, 2022

Researchers identified markers of chemotherapy resistance and outcome in triple negative breast cancer

Scientists at Baylor College of Medicine and the Broad Institute have identified biological markers associated with chemotherapy resistance in triple negative breast cancer. The study found that deletion on chromosome 19, specifically the LIG1 gene, is linked to resistance to treatment and poor clinical outcomes.

SourceBaylor College of Medicine·JournalCancer Discovery·TypeExperimental study·DateAug 24, 2022

Researcher looks at molecular changes for clues to disparities in breast cancer outcomes

A recent study found associations between socioeconomic stressors and specific N-glycosylation patterns in Black and White women, suggesting that molecular markers may be linked to socioeconomic status. The research also identified differences in glycosylation patterns in normal breast tissue based on body mass index (BMI) and ancestry.

SourceMedical University of South Carolina·JournalFrontiers in Oncology·DateAug 24, 2022

Appetite change in depression

Researchers found that appetite changes in depression are linked to specific changes in the brain's reward system, including a weaker connection between the reward system and areas processing taste stimuli. The study suggests precision medicine approaches could lead to more targeted therapies for individual symptoms of depression.

SourceUniversitatsklinikum Bonn·JournalJAMA Psychiatry·TypeCase study·DateAug 24, 2022

Study points to new approach to clearing toxic waste from brain

Researchers at Washington University School of Medicine have discovered a new pathway that could help prevent Alzheimer's dementia. Increasing the clearance of waste products in the brain by ramping up a genetic quirk known as readthrough may be effective for other neurodegenerative diseases, such as Parkinson's disease.

SourceWashU Medicine·JournalBrain·TypeExperimental study·DateAug 24, 2022

Hiding chocolate stashes or Amazon purchases from a partner? ‘Guilty’ purchases may have benefits

Research finds that feelings of guilt from keeping everyday consumer behaviors a secret can lead to greater relationship investment. Participants reported engaging in mundane secrets like sneaking pizza or watching ahead on a TV show, which drove them to invest more in their relationships.

SourceIndiana University·JournalJournal of Consumer Psychology·TypeObservational study·DateAug 24, 2022

Barriers to voting matter, but Americans overlook their impact, USC study finds

A USC study of eligible voters in the 2020 election highlights how many Americans overlook external factors like child care constraints and transportation difficulties that affect voter turnout. In contrast, participants cited beliefs as a major driver of turnout, with only 12% mentioning friction.

SourceUniversity of Southern California·JournalProceedings of the National Academy of Sciences·TypeSurvey·DateAug 24, 2022

30-million-year-old amphibious beaver fossil is oldest ever found

Researchers have found a 30-million-year-old beaver fossil that challenges previous theories on the evolution of semi-aquatic beavers in North America. The discovery, published in Royal Society Open Science, suggests that these animals may have evolved to swim earlier than previously thought and were likely adapted for aquatic life.

SourceOhio State University·JournalRoyal Society Open Science·TypeData/statistical analysis·DateAug 24, 2022

DNA guardians out of control

Scientists at the University of Bonn discovered that an overactivated cGAS/STING signaling pathway leads to severe inflammation in ANCA-associated vasculitis. The study involved patients with the disease and a novel mouse model, providing new insights into potential drug targets.

SourceUniversity of Bonn·JournalJournal of Experimental Medicine·TypeExperimental study·DateAug 24, 2022

Researchers engineer novel material capable of ‘thinking’

A team of researchers has created a soft polymer material that can sense, think, and act upon mechanical stress without additional circuits. The material uses reconfigurable circuits to process information and has potential applications in autonomous systems, infrastructure repairs, and bio-hybrid materials.

SourcePenn State·JournalNature·TypeComputational simulation/modeling·DateAug 24, 2022

Novel newborn screening system uses rapid whole genome sequencing and acute management guidance to screen and diagnosis genetic diseases

A scalable prototype for newborn screening, including rapid Whole Genome Sequencing and virtual acute management guidance, has been developed to rapidly screen for several hundred genetic diseases. The system demonstrates feasibility in identifying genetic diseases with effective interventions.

SourceRady Children's Institute for Genomic Medicine·JournalThe American Journal of Human Genetics·TypeExperimental study·DateAug 24, 2022

Plant immune systems can adapt to non-living environmental stressors, a new study reveals

A recent study led by Eliza Loo found that plant immune receptors and signaling components confer salt tolerance even in plants challenged by non-pathogenic microbes. This suggests that plants can sense and initiate adaptive responses to abiotic stresses upon detecting alterations in cues presented by plant-inhabiting microbes.

SourceAmerican Phytopathological Society·JournalMolecular Plant-Microbe Interactions·DateAug 24, 2022

Tracking the journey of mangroves in southern Japan

A study by OIST Graduate University's Marine Biophysics Unit found that mangroves in the Ryukyu Islands have limited connectivity, making it crucial to protect isolated forests. The research used genetics and oceanography to track propagule dispersal, revealing rare genetic exchanges between islands.

SourceOkinawa Institute of Science and Technology (OIST) Graduate University·JournalFrontiers in Marine Science·TypeObservational study·DateAug 24, 2022