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Science News Archive March 2025 - Page 2


Page 2 of 51

Stereoisomeric engineering for critical balance of solvation and adsorption capability

Researchers have developed a new approach to optimize the performance of aqueous zinc-ion batteries by designing electrolyte additives with stereoisomeric structures. The study found that certain additives exhibit stronger adsorption capacities and can promote uniform charge distribution, leading to improved battery lifespan.

SourceKeAi Communications Co., Ltd.·JournalAdvanced Powder Materials·DateMar 31, 2025

Smarter tech identifies tiny plastic invaders for a cleaner world of microplastics by neural networks and Raman spectroscopy

A research team developed an improved residual neural network model to accurately classify and identify microplastics in low-quality Raman spectra, even under non-ideal experimental conditions. The model achieves higher accuracy without significantly increasing computational load.

New study challenges the story of humanity’s shift from prehistoric hunting to farming

A new mathematical model reveals that humans played an active role in the transition from hunting and gathering to farming, driven by factors like population growth rates and competition. The study challenges traditional views that focused on environmental factors, providing fresh insight into the rise of farming.

SourceUniversity of Bath·JournalProceedings of the National Academy of Sciences·DateMar 31, 2025

Chance discovery improves stability of bioelectronic material used in medical implants, computing and biosensors

A team of scientists discovered a method to produce a stable and conductive bioelectric material without the need for a chemical crosslinker. The new process uses high heat to stabilize the material, producing devices with three times higher electrical conductivity and more consistent stability.

SourceRice University·JournalAdvanced Materials·TypeExperimental study·DateMar 31, 2025

“She loves me, she loves me not”: physical forces encouraged evolution of multicellular life, scientists propose

A study from the Marine Biological Laboratory proposes that physical forces, such as fluid dynamics, played a key role in the evolution of multicellular life. The researchers found that cooperative feeding among Stentor cells increased the flow rate of water into their mouths, allowing them to capture more prey. However, the benefits o...

SourceMarine Biological Laboratory·JournalNature Physics·TypeExperimental study·DateMar 31, 2025

Brain-to-voice neuroprosthesis restores naturalistic speech

Researchers from UC Berkeley and UCSF developed a streaming method that synthesizes brain signals into audible speech in near-real time, solving the latency challenge. The technology represents a critical step toward enabling communication for people who have lost the ability to speak, with high decoding accuracy and naturalistic fluency.

SourceUniversity of California Berkeley College of Engineering·JournalNature Neuroscience·TypeComputational simulation/modeling·DateMar 31, 2025

ICT technologies in the US contaminate rather than clean an already polluted planet, researchers say

Researchers say ICT adoption and fiscal decentralization increase CO2 emissions, contradicting the widely-held view that ICT can play a pivotal role in addressing environmental challenges. The study suggests policies like incentivizing energy-efficient data centers and transitioning to renewable energy sources can mitigate the environm...

SourceUniversity of Sharjah·JournalEnvironmental Sciences Europe·TypeData/statistical analysis·DateMar 31, 2025

Psychedelics and sex: New research explores perceived impacts on sexuality and intimacy

A recent study published in the Journal of Sex Research found that psychedelic experiences can enhance participants' perceptions of their relationship quality, attraction to their current partner, and sexual activities. Additionally, approximately 10% of participants reported influences on their gender identity and expression.

SourceUniversity at Buffalo·JournalThe Journal of Sex Research·TypeSurvey·DateMar 31, 2025

Brian Brown, Ph.D., inducted into AIMBE College of Fellows for pioneering contributions in gene therapy and functional genomics

Dr. Brian Brown is recognized for his groundbreaking work in gene therapy and functional genomics, which has helped transform the fields and contributed to key advancements in medicine and biotechnology. His innovations have been broadly used across biomedical fields, including cancer, immunology, and genetic disease research.

UT Health San Antonio neurologists among first to treat patients with deep brain stimulation that adapts to patients’ symptoms

Researchers at UT Health San Antonio are among the first to use adaptive deep brain stimulation technology that adjusts treatment based on a patient's symptoms. This innovative approach offers improved therapy and symptom optimization for patients with Parkinson's disease, dystonia, epilepsy, and essential tremor conditions.

My robot therapist: The ethics of AI mental health chatbots for kids

Experts argue that AI mental health chatbots for kids may impair social development and worsen existing health inequities. Pediatric therapists rely on family relationships to ensure child safety, but AI chatbots lack this contextual information. The authors advocate for careful consideration of data representation and potential misuse.

SourceUniversity of Rochester Medical Center·JournalThe Journal of Pediatrics·TypeCommentary/editorial·DateMar 31, 2025

From forces to bone: General formula unravelling the role of mechanical cues in bone remodelling

Researchers propose a general formula modeling bone adaptation as a function of key loading parameters. The formula provides insights into the relationship between mechanical signals and adaptive bone responses, offering guidance for optimizing exercise regimens and designing medical devices to promote bone health.

SourceShanghai Jiao Tong University Journal Center·JournalMechanobiology in Medicine·TypeNews article·DateMar 31, 2025

The use of TikTok and Instagram has a greater impact on girls’ psychological well-being during adolescence, according to a study by UPF and the UOC

A study by UPF and UOC found that girls who use Instagram and TikTok have a more negative perception of the impact on their psychological well-being than boys. Girls tend to feel more observed and pressured by their outward image and require more external positive feedback.

SourceUniversitat Pompeu Fabra - Barcelona·JournalRevista de Comunicación·TypeSurvey·DateMar 31, 2025

Nutrition security beyond food access: Understanding the impact of environmental and psychosocial factors on diet quality

Researchers identified key constructs shaping diet and health outcomes, including access to healthy foods, social dynamics, and coping mechanisms. The study highlights the importance of addressing barriers such as affordability, accessibility, and chronic stress to promote nutrition security and health outcomes.

SourceElsevier·JournalJournal of Nutrition Education and Behavior·TypeMeta-analysis·DateMar 31, 2025

Joint consensus highlights the role of bone turnover markers in osteoporosis diagnosis and management

A new consensus paper emphasizes the role of bone turnover markers (BTMs) in diagnosing and managing osteoporosis. BTMs, such as procollagen type I N propeptide (PINP) and β-isomerized C-terminal telopeptide of type I collagen (β-CTX-I), are invaluable tools for predicting fracture risk and monitoring treatment adherence.

SourceInternational Osteoporosis Foundation·JournalOsteoporosis International·TypeLiterature review·DateMar 31, 2025

Study shows groundwater gains in Arizona yet climate risks still threaten water supply

A study by researchers at the University of Texas at Austin and collaborators in Arizona and Colorado found notable groundwater gains in Central Arizona despite long-term water stress. The policies have helped bank over 25 cubic kilometers of groundwater from 1989-2019, but the Colorado River faces uncertain future due to climate change.

SourceUniversity of Texas at Austin·JournalCommunications Earth & Environment·DateMar 31, 2025

A digital twin of the heart helps to improve the diagnosis and treatment of cardiac arrhythmias

A new method combines ECGI with digital twins to locate the origin of premature ventricular contractions, improving accuracy by an average of 7.8 mm. The method has been applied in a real clinical case and is expected to facilitate planning interventions and reduce treatment costs.

SourceUniversitat Politècnica de València·JournalComputers in Biology and Medicine·TypeRandomized controlled/clinical trial·DateMar 31, 2025

Trade tariffs on Canadian pharmaceuticals expected to increase costs in the U.S. and strain drug supply chains

New research from the University of Toronto warns that applying trade tariffs on Canadian pharmaceuticals could add $750 million in cost to the U.S. market and disrupt drug supply chains. The study highlights the potential for shortages and jeopardizes patient care, particularly for medications with no alternative supplier.

SourceUniversity of Toronto - Leslie Dan Faculty of Pharmacy·JournalJAMA·TypeData/statistical analysis·DateMar 31, 2025

A neural compass for fear: Mapping how the brain distinguishes between direct and vicarious fear

A research team has uncovered a fundamental brain circuit that distinguishes between direct and vicarious fear, with the locus coeruleus playing a crucial role in processing fear. The study reveals a lateralized LC-NAergic system that separates personal from socially learned fear, shedding light on empathy and social learning.

SourceInstitute for Basic Science·JournalNature Communications·TypeExperimental study·DateMar 31, 2025

Long-term practice of Transcendental Meditation may reduce both stress and aging

Research at Maharishi International University found that long-term TM practitioners have lower inflammation, slower age-related decline in cognitive function, and reduced cortisol levels, indicating potential benefits for overall health and longevity. The study suggests a protective effect against both stress and aging.

SourceMaharishi International University·JournalBiomolecules·TypeObservational study·DateMar 31, 2025

A 3D bone marrow analog reveals the role of trabecular volume in MSC mechanoresponse and bone loss during aging and microgravity

Aging individuals experience bone loss despite physical activity, highlighting the importance of MSCs in regulating bone mechanoresponse. The new 3D bone marrow analog reveals that trabecular volume affects MSC response to mechanical signals, with higher strains associated with older densities and increased F-actin production

SourceShanghai Jiao Tong University Journal Center·JournalMechanobiology in Medicine·TypeNews article·DateMar 31, 2025