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Science News Archive 2025 - Page 563


Page 563 of 574

Energy-efficient predictive control strategy boosts performance of electric vehicle drives

Researchers at NIT Puducherry unveiled an energy-efficient model predictive current control (MPCC) method that enhances induction motor drive performance in electric vehicles. The CSVVV-based MPCC introduces a novel way to synthesize voltage vectors, reducing switching losses and current ripple.

SourceCES Transactions on Electrical Machines and Systems·JournalCES Transactions on Electrical Machines and Systems·TypeExperimental study·DateOct 19, 2025

Study finds protein target that predicts drug resistance in colon cancer

A team of researchers identified a unique protein signature that can predict which patients are likely to resist standard therapies, paving the way for personalized treatments. By blocking a specific transporter system, they made tumors more sensitive to treatment, suggesting a promising new avenue for treating colorectal cancer.

SourceThe Hebrew University of Jerusalem·JournalMolecular Oncology·TypeMeta-analysis·DateOct 19, 2025

New molecular map reveals how cells control traffic between the nucleus and cytoplasm

A team of scientists has created a detailed model of how cells regulate traffic through the nuclear pore complex, revealing that flexible protein chains create an entropic barrier that admits only properly escorted cargo. This breakthrough sheds light on diseases like cancer, Alzheimer's, and ALS, where this transport system fails.

SourceThe Hebrew University of Jerusalem·JournalProceedings of the National Academy of Sciences·TypeComputational simulation/modeling·DateOct 19, 2025

A control breakthrough for hybrid magnetic bearing: improved cascaded reduced-order active disturbance rejection controller enhances rotor levitation stability

A new control strategy for hybrid magnetic bearing systems is proposed, employing an improved cascaded reduced-order linear active disturbance rejection controller. The strategy significantly enhances rotor suspension stability by employing feedforward compensation, reducing displacement fluctuations and improving system robustness. Ex...

SourceCES Transactions on Electrical Machines and Systems·JournalCES Transactions on Electrical Machines and Systems·TypeExperimental study·DateOct 19, 2025

KEYMAKER-U03 sub-study 03A: Triplet investigational combinations of immunotherapy and targeted treatments as first-line therapy for advanced renal cell carcinoma

A sub-study of KEYMAKER-U03 found pembrolizumab-based triplet combinations to be effective in treating advanced renal cell carcinoma, with an objective response rate of 78% and a median progression-free survival of 31.8 months. The most promising combination included pembrolizumab, belzutifan, and lenvatinib.

SourceVall d'Hebron Institute of Oncology·JournalAnnals of Oncology·DateOct 19, 2025

ESMO 2025: mRNA-based COVID vaccines generate improved responses to immunotherapy

Patients receiving mRNA-based COVID vaccines showed improved survival rates and responses to immunotherapy, especially in 'cold' tumors with low PD-L1 expression. The study suggests that these vaccines can reprogram immune responses against cancer, potentially improving outcomes for patients with treatment-resistant disease.

SourceUniversity of Texas M. D. Anderson Cancer Center·JournalNature·TypeRandomized controlled/clinical trial·DateOct 19, 2025

ESMO 2025: VT3989 continues to show promising early results in patients with advanced mesothelioma

The VT3989 trial demonstrated a disease control rate of 86% in refractory mesothelioma patients, with notable partial responses and stable disease. The YAP-TEAD inhibitor also showed an encouraging safety profile, supporting continued clinical development in this unmet clinical need.

SourceUniversity of Texas M. D. Anderson Cancer Center·JournalNature Medicine·TypeRandomized controlled/clinical trial·DateOct 19, 2025

ADC improves outcomes for patients with advanced triple-negative breast cancer who are ineligible for immune checkpoint inhibitors

A new antibody drug conjugate (ADC) sacituzumab govitecan has been shown to improve progression-free survival in patients with advanced triple-negative breast cancer who are ineligible for immune checkpoint inhibitors. The ADC targets the protein Trop2 on TNBC cells and delivers a potent chemotherapy drug directly to tumor sites.

SourceDana-Farber Cancer Institute·JournalNew England Journal of Medicine·DateOct 19, 2025

ESE announces new Clinical Practice Guideline for Management and Evaluation of Menopause and the Perimenopause

The European Society of Endocrinology has published a new Clinical Practice Guideline for the Management and Evaluation of Menopause and the Perimenopause. The guideline provides guidance on evaluating and managing women with menopause-related symptoms, including hormone therapy benefits and risks. It also discusses alternative treatme...

Cofactor engineering with phosphite dehydrogenase enables flexible regulation of lactate-based copolymer biosynthesis in E. coli

A novel cofactor engineering approach using phosphite dehydrogenase enables the scalable and efficient biosynthesis of lactate-based copolymers in Escherichia coli. The method yields higher yields of poly(3-hydroxybutyrate-co-lactate) without disrupting bacterial growth, paving the way for sustainable bioplastic manufacturing.

SourceNanjing Agricultural University The Academy of Science·JournalBioDesign Research·TypeExperimental study·DateOct 18, 2025

ESMO 2025: Trial results show belzutifan shrinks rare neuroendocrine tumors and improves symptoms in patients

A Phase II clinical trial led by researchers at the University of Texas MD Anderson Cancer Center demonstrated significant tumor shrinkage and disease control in patients with advanced pheochromocytoma and paraganglioma. Belzutifan showed a 26% objective response rate, with sustained clinical benefits for those who responded to treatment.

New generation of Antibody-Drug Conjugates (ADCs) shows unprecedented promise in early-stage disease

A new class of anti-cancer agents—antibody-drug conjugates (ADCs)—has unveiled compelling evidence that can dramatically improve outcomes for patients with early-stage HER2-positive breast cancer. The phase III DESTINY-Breast05 and DESTINY-Breast11 trials have shown superior efficacy and improved disease-free survival rates, positionin...

Global consumption of threatened freshwater eels revealed

A study combining DNA barcoding and production/trade data identifies global freshwater eel consumption patterns, revealing over 99% of global consumption consists of three threatened species. East Asia emerges as the global center for eel consumption driven by cultural preferences and purchasing power.

SourceChuo University·JournalScientific Reports·TypeObservational study·DateOct 17, 2025

Turning indoor light into power: new research from SEE provides insights that could supercharge smart devices

A new study from SFU's School of Sustainable Energy Engineering (SEE) has proposed an innovative standardization framework to address the long-standing inconsistencies in testing indoor solar technology. The framework aims to provide accurate performance characterization, reporting, and benchmarking for indoor photovoltaics, enabling r...

SourceSimon Fraser University·JournalJoule·DateOct 17, 2025

Efficient deep-blue LEDs based on colloidal CsPbBr3 nanoplatelets meeting the Rec.2020 standard

Researchers developed efficient deep-blue light-emitting diodes (PeLEDs) using colloidal CsPbBr3 nanoplatelets, achieving record-breaking performance with a maximum external quantum efficiency of 6.81%. The devices also exhibit stable deep-blue emission and precise color coordinates that fully satisfy the stringent Rec.2020 requirement.

Quantum meta-devices: Miniaturizing the future of photonics

Artificial materials with subwavelength structures enable shrinking optical setups onto tiny chips. Meta-surfaces manipulate fundamental light properties, boosting photon pair generation efficiency. This allows for on-chip quantum light sources, single-photon detection, and ultra-precise quantum metrology sensors.

New study reveals how water pathways control nitrogen pollution from farms to cities

A new analytical framework separates how nitrogen moves through three key hydrological pathways—surface flow, subsurface flow, and baseflow—and found that each pathway behaves differently across landscapes and seasons. The study offers crucial guidance for policymakers to adapt strategies to reduce nitrogen loss.

McGill research flags Montreal snow dump, inactive landfills as major methane polluters

McGill researchers have found that Montreal's methane emissions are unevenly distributed across the island, with the highest concentrations in the city's east end. The study identified over 3,000 hotspots and found that inactive landfills and natural gas leaks are major contributors to the pollution.

SourceMcGill University·JournalEnvironmental Research Communications·TypeObservational study·DateOct 17, 2025

A lightweight and rapid bidirectional search algorithm

The LiteRBS algorithm outperforms classical algorithms like A* and Bidirectional A*, scaling well even in large or dense maps. It achieves fast and memory-efficient pathfinding through an aggressive bidirectional forward search with a reserve-queue fallback strategy.

SourceELSP·JournalRobot Learning·TypeComputational simulation/modeling·DateOct 17, 2025

A toughening twist: Nitrogen unlocks unprecedented strength and toughness in advanced ceramics

Researchers at Shandong University and Zhengzhou University introduce a new design principle for ultra-high-performance ceramics by incorporating nitrogen into (Ti, Zr)C carbide ceramic. This reduces stacking fault energy, unlocking a previously suppressed toughening mechanism that significantly improves both hardness and toughness.

SourceTsinghua University Press·JournalJournal of Advanced Ceramics·DateOct 17, 2025

Scientists discover how leukemia cells evade treatment

Researchers found a protein that lets cancer cells reshape their mitochondria to protect themselves from venetoclax, a standard treatment for acute myeloid leukemia. Blocking this protein with experimental compounds restored the drug's effectiveness and prolonged survival in mice.

SourceRutgers University·JournalScience Advances·TypeExperimental study·DateOct 17, 2025

Chemicals might be hitching a ride on nanoplastics to enter your skin

Scientists have found that environmental coatings on microscopic plastic particles can bypass some skin cells' defenses, allowing them to stay inside the body longer. This highlights the importance of studying the interaction between nanoplastics and human skin, as well as the potential health risks associated with these tiny particles.

SourceTexas A&M University·JournalJournal of Hazardous Materials·TypeExperimental study·DateOct 17, 2025

MIT invents human brain model with six major cell types to enable personalized disease research, drug discovery

Researchers developed a new human brain tissue platform called miBrains, integrating all major brain cell types and modeling brain structures, cellular interactions, activity, and pathological features. The models can be customized through gene editing and are derived from individual patients' genomes.

SourcePicower Institute at MIT·JournalProceedings of the National Academy of Sciences·TypeExperimental study·DateOct 17, 2025

Electrospun nanofiber‑based ceramic aerogels: Synergistic strategies for design and functionalization

Researchers from Donghua University introduce electrospun ceramic nanofiber-based aerogels (ECNFAs) offering a transformative approach to designing lightweight, flexible, and multifunctional ceramic frameworks. These materials bridge the gap between structural performance and functional versatility.

SourceShanghai Jiao Tong University Journal Center·JournalNano-Micro Letters·TypeExperimental study·DateOct 17, 2025

Sedimentary rocks reveal ocean floor cooling

Researchers from the University of Göttingen have identified oxygen isotopes in 'cherts' as indicators of heat flow on early Earth. The study reveals that cherts record paleo-heat flow on the Shatsky Rise oceanic plateau, providing insights into the conditions on the Earth's surface up to 3.5 billion years ago.

SourceUniversity of Göttingen·JournalGeology·TypeNews article·DateOct 17, 2025

How the brain becomes a better listener: How focus enhances sound processing

Researchers discovered that neurons in the brain's auditory cortex show large bursts of activity tied to specific moments in a task, suggesting a deep connection between behavior and sound processing. This 'tuning' mechanism enables the brain to produce smaller but more distinctive responses to sounds guiding task performance.

SourceThe Hebrew University of Jerusalem·JournalScience Advances·TypeComputational simulation/modeling·DateOct 17, 2025

Twice around to return home: A hidden reset button for spins and qubits

Researchers Tsvi Tlusty and Jean-Pierre Eckmann found a simple recipe to return rotating systems precisely to their starting point by rescaling the driving force and applying it twice. This discovery reveals that even complex rotations conceal a fundamental order, ensuring there is always a way to reset the system.

Native American stereotypes, as seen by Native Americans

A Cornell University study found that middle school-age Cherokee students cited cultural activities, financial privilege, and substance abuse as common stereotypes about themselves or other Native Americans. The research highlights the importance of understanding prevalent stereotypes to support students' development and counter them.

SourceCornell University·JournalYouth & Society·DateOct 17, 2025