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Science News Archive August 2024 - Page 22


Page 22 of 38

Beige fat cells with a “Sisyphus mechanism”

Researchers have discovered a new type of beige fat cells that consume energy and produce heat through a futile-cycle mechanism, known as the 'Sisyphus mechanism'. These cells are found in adults and help break down excess fat, leading to improved metabolic health and reduced risk of obesity.

SourceETH Zurich·JournalCell Metabolism·DateAug 14, 2024

Sex and the flu

A team of researchers, led by Jason Shoemaker, are studying the effects of hormones on the immune system's response to the flu. Their goal is to develop targeted therapies based on a person's sex or hormone levels. The study aims to identify the molecules or pathways that affect the cells and begin to develop personalized treatments.

New research from Children’s Hospital of Philadelphia and St. Jude poised to transform approach to diagnosing and treating acute leukemia in children

Researchers found that approximately 60% of genetic changes driving T-ALL cancer cells are non-coding changes, significantly altering the understanding of disease biology. This leads to innovative treatments, including new immunotherapies developed at CHOP and St. Jude.

Sugar intake decreasing but still too high

A long-term study analyzing sugar intake among children and adolescents in Germany found a decline in free sugar consumption since 2010, but average daily intake remains high. The study suggests that awareness campaigns may have contributed to the decline, while age groups showed varying levels of sugar intake.

SourceUniversity of Bonn·JournalEuropean Journal of Nutrition·DateAug 14, 2024

Patients with unexplainable chronic itch have unique blood biomarkers that could eventually lead to new targeted treatments

Researchers have identified lower levels of certain amino acids in the blood plasma of patients with unexplainable chronic itch, offering a potential breakthrough in treating this debilitating condition. These findings may pave the way for new targeted therapies.

SourceUniversity of Maryland School of Medicine·JournalScientific Reports·TypeExperimental study·DateAug 14, 2024

US companies' global market reach linked to cloud computing use

A new study by Penn State researchers found that US firms using cloud computing services are more likely to export goods and services, especially those located outside large cities. The study suggests that accessing cloud services may help level the playing field for non-urban firms and promote their expansion into international markets.

SourcePenn State·JournalTelecommunications Policy·TypeData/statistical analysis·DateAug 14, 2024

Ontario Institute for Cancer Research announces awards for eight research teams developing innovative ways to diagnose and treat cancer

The Ontario Institute for Cancer Research is providing nearly $6 million to eight research teams across Ontario, supporting studies that aim to diagnose and treat cancers more effectively. The Clinical Translational Pathway program will advance new discoveries and bring them to the healthcare system.

New FSU research shows statistical analysis can detect when ChatGPT is used to cheat on multiple-choice chemistry exams

Researchers at Florida State University have developed a statistical analysis method that can detect when AI chatbot ChatGPT is used to cheat on multiple-choice chemistry exams. The study uses Rasch modeling and fit statistics to identify patterns in student responses that are different from those of ChatGPT.

SourceFlorida State University·JournalJournal of Chemical Education·DateAug 14, 2024

CNIO researchers discover a 'switch' for the desire to engage in physical activity: Two proteins that get activated in the muscle during exercise

CNIO researchers have discovered a 'switch' for the desire to engage in physical activity, revealing a muscle-brain pathway that controls eagerness to train more when we exercise. Two proteins, p38α and p38γ, get activated in the muscle during exercise, influencing interest in physical activity.

SourceCentro Nacional de Investigaciones Oncológicas (CNIO)·JournalScience Advances·TypeExperimental study·DateAug 14, 2024

A taste for carbon dioxide

Researchers discovered that the iron nitrogenase can convert CO2 into methane and formic acid, making it a promising starting point for developing novel CO2 reductases. The enzyme's low selectivity for CO2 also suggests its potential for widespread use in nature.

SourceMax-Planck-Gesellschaft·JournalScience Advances·TypeExperimental study·DateAug 14, 2024

Magnetostrictive strain-sensitivity synergy in polycrystalline Fe₈₁Ga₁₉ alloys prepared by laser-beam powder bed fusion and magnetic field annealing

The study proposes a combined process route of laser-beam powder bed fusion and magnetic field annealing to enhance magnetostrictive strain and sensitivity. This results in improved effective magnetic anisotropy constant, reduced domain motion resistance, and increased magnetostrictive strain-sensitivity synergy.

SourceKeAi Communications Co., Ltd.·JournalAdvanced Powder Materials·TypeExperimental study·DateAug 14, 2024

Massive biomolecular shifts occur in our 40s and 60s, Stanford Medicine researchers find

A Stanford Medicine study reveals significant biomolecular changes in the mid-40s and early 60s, affecting cardiovascular disease, immune function, and other age-related health risks. The researchers analyzed thousands of molecules and microbiomes across 108 participants, tracking rapid fluctuations in molecular abundance.

SourceStanford Medicine·JournalNature Aging·TypeObservational study·DateAug 14, 2024

Leading AI models struggle to identify genetic conditions from patient-written descriptions

Researchers found large language models are more accurate with concise, textbook-like medical questions than patient-written summaries. The models achieved higher accuracy when using standardized language, but struggled with variable phrasing and format of patient write-ups.

SourceNIH/National Human Genome Research Institute·JournalAmerican Journal of Human Genetics·TypeExperimental study·DateAug 14, 2024

Purdue physicists throw world’s smallest disco party

Physicists at Purdue University have achieved a groundbreaking milestone in levitated optomechanics by observing the Berry phase of electron spins in nano-sized diamonds. By levitating and spinning these tiny diamonds at incredibly high speeds, they were able to study the effects of fast rotation on spin qubits.

SourcePurdue University·JournalNature Communications·DateAug 14, 2024

Climate model biases in global monsoon: Insights from interhemispheric energy transport

A new study reveals that climate models exhibit pronounced biases in simulating the global monsoon, with the dry and wet biases found in earlier models persisting. However, CMIP6 models show significant improvements over CMIP5, attributed to reduced dry biases and better representation of energy transport.

New research identifies early sensorimotor markers for autism spectrum disorder

A study published in iScience has uncovered significant findings related to the early sensorimotor features and cognitive abilities of toddlers who are later diagnosed with Autism Spectrum Disorder (ASD). The research suggests that a higher IQ may confer resilience to atypical sensorimotor functioning, highlighting the need for more pr...

SourceThe Graduate Center, CUNY·JournaliScience·TypeObservational study·DateAug 14, 2024

Policing may play a role in youth mental health crises

A new study finds that policing incidents are linked to higher rates of psychiatric hospitalization among young people in heavily policed neighborhoods. The association is stronger in neighborhoods with a larger proportion of Black residents and persists even after controlling for crime levels.

SourceColumbia University's Mailman School of Public Health·JournalSocial Psychiatry and Psychiatric Epidemiology·TypeData/statistical analysis·DateAug 14, 2024

Ben-Gurion University researchers offer proof of concept for unique aquaponics system

Researchers at Ben-Gurion University have created a proof-of-concept for a unique aquaponics system that grows fish and vegetables together, producing more produce while using less energy than traditional systems. The closed-loop system recycles fish waste through anaerobic digestion, reducing waste production and carbon emissions.

SourceBen-Gurion University of the Negev·JournalResources Conservation and Recycling·TypeExperimental study·DateAug 14, 2024

As election approaches, national poll shows which health topics concern older adults most

A new study shows that healthcare costs, including medical care, prescription drugs, and long-term care, are among the top health-related concerns of older adults heading into the US election. Financial scams and fraud also made the top six concerns, with significant differences among age, gender, and political ideology.

SourceMichigan Medicine - University of Michigan·JournalJAMA·TypeSurvey·DateAug 14, 2024

Hand washing is important – but is your handbasin clean?

A new study from Flinders University found handbasin biofilms in residential settings have a more diverse bacterial community than hospitals, with higher Legionella bacteria counts. Regular cleaning and infection control practices are crucial to reduce the risk of antimicrobial resistance.

SourceFlinders University·JournalScience of The Total Environment·TypeObservational study·DateAug 14, 2024