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Science News Archive February 2025 - Page 31


Page 31 of 44

IEEE researchers provide mathematical solutions to study 2D light interaction in photonic crystal lasers

Researchers derived 2D coupled wave equations for photonic crystal surfaces, aiding the development of efficient laser devices. The findings established parallels between TM and transverse electric polarisation behaviours, offering unique advantages in certain configurations.

SourceInstitute of Electrical and Electronics Engineers·JournalIEEE Journal of Selected Topics in Quantum Electronics·TypeComputational simulation/modeling·DateFeb 11, 2025

New study sheds light on the causes of fevers of unknown origin in sub-Saharan Africa

A new retrospective study found that nearly half of patients with fever of unknown origin in sub-Saharan Africa had a detectable pathogen, including bacterial strains and hemorrhagic fever viruses. The study highlights the need for strengthened laboratory capacity to improve diagnosis and treatment.

SourceGerman Center for Infection Research·JournalJournal of Infectious Diseases·TypeObservational study·DateFeb 11, 2025

Engineering biological reaction crucibles to rapidly produce proteins

Biomedical engineers at Duke University have developed a new technique that traps together cellular machinery to increase protein production rates. This approach uses synthetic disordered proteins to form compartments called biological condensates, which enhance the rate of protein production by bringing together biomolecular machinery...

SourceDuke University·JournalNature Chemistry·TypeExperimental study·DateFeb 11, 2025

New smart sensor takes the pain out of wound monitoring

Researchers developed a new flexible sensor that accurately measures both temperature changes and physical strain simultaneously, enabling clear pinpointing of signals. The sensor, made from laser-induced graphene, can detect small temperature changes and is self-powered, making it ideal for continuous monitoring in clinical settings.

SourcePenn State·JournalNature Communications·TypeExperimental study·DateFeb 11, 2025

Nationalism, geopolitical tensions, cultural gaps, and economic crises are reshaping global tourism, study finds

A new study by University of Sharjah finds that deglobalization is transforming global tourism, with travelers influenced by nationalist sentiments, geopolitical tensions, and cultural gaps. This shift towards domestic and culturally familiar travel has major implications for the global travel industry.

SourceUniversity of Sharjah·JournalTourism Management·TypeSurvey·DateFeb 11, 2025

Barbeque and grandma’s cookies: New study looks at nostalgia, comfort in food preparation for older adults

A Washington State University study explores the role of nostalgia and comfort in prepared meals for older adults. The research highlights the significance of texture variety and cheese flavor in increasing appeal, with participants preferring foods that evoke a sense of warmth and familiarity.

SourceWashington State University·JournalJournal of Food Science·TypeExperimental study·DateFeb 11, 2025

Researchers discover new mechanism for male sex hormone

Researchers have identified a new mechanism for the male sex hormone 5α-DHT, which increases bone mineral density and promotes skeletal muscle growth. The discovery of the GPR133 receptor's activation by AP503 could lead to the development of new muscle-strengthening drugs with a lower side-effect profile.

SourceUniversität Leipzig·JournalCell·TypeExperimental study·DateFeb 11, 2025

SNU researchers develop soft robot that crawls, climbs, and shape-shifts to move in new directions

A new type of soft robot can crawl like a worm, climb cables, and suddenly snap into a different shape to move in a new direction. The Snap Inflatable Modular Metastructure (SIMM) system allows the robot to both smoothly deform and rapidly change configuration using just one air source.

SourceSeoul National University College of Engineering·JournalCell Reports Physical Science·TypeExperimental study·DateFeb 11, 2025

Mystery solved: New study reveals how DNA repair genes play a major role in Huntington's disease

Researchers discovered that mismatch repair genes are critical in eliciting damages to neurons vulnerable to Huntington's disease, triggering downstream pathologies and motor impairment. Targeting these genes may offer novel therapeutic approaches, including improving locomotor and gait deficits and reducing neuronal cell death.

JSCAI article at THT 2025 sets the standard for training pathways in interventional heart failure

The article proposes clear career paths and standardized training pathways in interventional heart failure, aiming to enable specialists to drive innovation and improve outcomes. It highlights the need for a formalized approach to training and career development in this field.

SourceSociety for Cardiovascular Angiography and Interventions·JournalJournal of the Society for Cardiovascular Angiography & Interventions·TypeRandomized controlled/clinical trial·DateFeb 11, 2025

From photons to protons: Argonne team makes breakthrough in high-energy particle detection

Researchers at Argonne National Laboratory have developed a new use for superconducting nanowire photon detectors to detect high-energy protons, opening up exciting opportunities in nuclear and particle physics. The team found that wire widths smaller than 400 nanometers demonstrate high detection efficiency.

SourceDOE/Argonne National Laboratory·JournalNuclear Instruments and Methods in Physics Research·DateFeb 11, 2025

Biosensing platform simultaneously detects vitamin C and SARS-CoV-2

Penn State researchers developed a portable and wireless device to simultaneously detect SARS-CoV-2 and vitamin C, enabling individuals and healthcare providers to make more effective treatment decisions. The device uses commercial transistors with printed laser-induced graphene, achieving high sensitivity and portability.

SourcePenn State·JournalACS Applied Materials & Interfaces·TypeExperimental study·DateFeb 11, 2025

‘Smaller and better’: Rice research uncovers performance sweet spot for relaxor nanomaterial

The study reveals that relaxor ferroelectrics like lead magnesium niobate-lead titanate (PMN-PT) exhibit improved performance when shrunk down to a precise range of 25-30 nanometers. This 'Goldilocks zone' size effect could enable advanced applications such as nanoelectromechanical systems and energy harvesting.

SourceRice University·JournalNature Nanotechnology·TypeExperimental study·DateFeb 11, 2025

Scientists harness AI to help protect whales, advancing ocean conservation and planning

Researchers at Rutgers University have developed an AI tool that combines whale monitoring and environmental data to predict endangered whale habitat. The tool guides ships along the Atlantic coast to avoid critically endangered North Atlantic right whales, preventing deadly accidents and informing conservation strategies.

SourceRutgers University·JournalScientific Reports·TypeData/statistical analysis·DateFeb 11, 2025

Exotic waves with tangible effects

Exotic waves with tangible effects, known as Rayleigh–Bloch waves, have been found to transform into phantom-like entities above a certain cut-off frequency. At lower frequencies, these waves exhibit characteristic behavior around stainless steel struts, making them ideal for antenna design and potential communication purposes.

SourceUniversity of Augsburg·JournalCommunications Physics·TypeExperimental study·DateFeb 11, 2025

Mechanical heart valve replacements have better long-term survival, study finds

A new study published in the European Journal of Cardio-Thoracic Surgery found that mechanical heart valve replacements have better long-term survival rates compared to biological valves. Patients who received mechanical valves had improved survival up to 13 years after surgery, with smaller valves showing greater benefits.

SourceUniversity of Bristol·JournalEuropean Journal of Cardio-Thoracic Surgery·TypeObservational study·DateFeb 11, 2025

Gender and beliefs shape homophobic attitudes

A UNIGE team discovered that heterosexual individuals' interpretations of scientific data on sexual orientation are influenced by their own frame of reference, leading to both positive and negative attitudes towards homosexuality. The study found that religiosity plays a significant role in shaping these attitudes.

SourceUniversité de Genève·JournalArchives of Sexual Behavior·TypeNews article·DateFeb 11, 2025

Grapevine anthocyanins: how drought stress triggers colorful adaptations

A new study reveals how drought stress stimulates anthocyanin biosynthesis in grape berries via the ABA signaling pathway and microRNA miR156b. This discovery offers crucial insights into how grapevines respond to water scarcity, providing a foundation for enhancing grape quality through precise genetic and environmental interventions.

How a breeding network could build a genetic pathway to more productive and climate-smart livestock in Africa

The African Animal Breeding Network can play a key role in transforming African livestock production systems by harnessing genomic technologies and breeding programs to drive genetic gains. This approach balances productivity with sustainability, supporting livelihoods and strengthening food security across the continent.

SourceInternational Livestock Research Institute·JournalNature Genetics·TypeCommentary/editorial·DateFeb 11, 2025

Study takes a ‘bite’ out of shark depredation using citizen science

A citizen science study led by researchers from Florida Atlantic University has identified the most common shark species responsible for depredation in Florida's recreational fisheries. The study found that snapper-grouper species were the most frequently depredated target species group, while bull sharks and sandbar sharks were the mo...

SourceFlorida Atlantic University·JournalJournal of Marine Science·TypeObservational study·DateFeb 11, 2025