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Science News Archive 2025 - Page 421


Page 421 of 574

Human papillomavirus infection kinetics revealed in new longitudinal study

A new longitudinal study has provided unprecedented insights into human papillomavirus (HPV) infection dynamics. The study found that non-persistent infections exhibit a plateau in viral load before rapidly declining, while chronic infections show a strong correlation between immune cells and virus production. This research could infor...

SourcePLOS·JournalPLOS Biology·TypeObservational study·DateJan 21, 2025

A new state between metal and insulator

Researchers at TU Wien discovered a new energy band that remains connected by an 'umbilical cord' when one allowed energy range splits into two separate bands. This phenomenon is bound to occur in materials with large electron interaction, opening up a new perspective on technologically highly interesting classes of materials.

SourceVienna University of Technology·JournalNature Communications·TypeData/statistical analysis·DateJan 20, 2025

Study identifies benefits, risks linked to popular weight-loss drugs

A recent study published in Nature Medicine analyzed over 2 million veterans taking GLP-1RA medications, finding benefits to cognitive and behavioral health while revealing increased risks for pancreatitis and kidney conditions. The study also showed decreased risks of seizures, addiction, suicidal ideation, and neurocognitive disorders.

SourceWashington University in St. Louis·JournalNature Medicine·TypeData/statistical analysis·DateJan 20, 2025

Prognostic power of the micropapillary pattern in pancreatic ductal adenocarcinoma: A game changer

Researchers studied the prognostic power of micropapillary patterns in PDAC, finding that even small percentages serve as independent prognostic factors for decreased survival. The study suggests incorporating micropapillary pattern percentage into pathology reports could enhance patient management strategies.

SourceXia & He Publishing Inc.·JournalJournal of Clinical and Translational Pathology·DateJan 20, 2025

How to recycle CO2 from flue gases

Researchers developed a method to extract CO2 from flue gases with as little as 5% concentration using a superactive nickel-copper catalyst. The process involves adjusting electrical potentials and electrolyte, allowing access to previously unusable CO2 sources.

SourceRuhr-University Bochum·JournalAngewandte Chemie·TypeExperimental study·DateJan 20, 2025

Inflammation may explain stomach problems in psoriasis sufferers

Researchers at Uppsala University found that people with psoriasis have invisible inflammation in their small intestine, which can lead to gastrointestinal problems and an increased risk of developing Crohn's disease. Half of the study participants had a leaky gut, allowing bacteria and harmful substances to leak through the intestinal...

SourceUppsala University·JournalBiochimica et Biophysica Acta (BBA) - Molecular Basis of Disease·TypeExperimental study·DateJan 20, 2025

How did health insurance coverage changes affect older adults? Two new studies take a look

Two new studies found that those who turned 65 after the ACA took effect had lower out-of-pocket health costs and fewer hospitalizations. However, dual-eligible individuals over 65 saw negative impacts from Medicaid 'unwinding,' with 12% losing coverage and many going without needed care due to cost.

SourceMichigan Medicine - University of Michigan·JournalJAMA Health Forum·TypeData/statistical analysis·DateJan 20, 2025

Ancient viral DNA shapes early embryo development

A study by researchers at Helmholtz Munich has discovered that ancient viral DNA elements are re-expressed in mammalian embryos, playing a crucial role in early development. The activation of these elements is conserved across species and provides opportunities for manipulating thousands of genes simultaneously.

HKUST develops world’s smallest multifunctional biomedical robot for interventional diagnosis and treatment

Researchers at HKUST have developed a world's smallest multifunctional biomedical robot, capable of imaging, high-precision motion, and multifunctional operations. The robot offers competitive imaging performance and extends obstacle detection distance up to ~9.4 mm.

SourceHong Kong University of Science and Technology·JournalNature Communications·TypeExperimental study·DateJan 20, 2025

Produce and store energy? DGIST successfully developed next-gen eco-friendly artificial muscle fibers

A research team at DGIST developed innovative artificial muscle fibers that can produce and store energy, mimicking real muscles. The fibers, made from eco-friendly poly(lactic acid) and bio-based thermoplastic polyurethane, demonstrated exceptional durability and performance, with applications in advanced textiles, medical robotics, a...

SourceDGIST (Daegu Gyeongbuk Institute of Science and Technology)·JournalChemical Engineering Journal·DateJan 20, 2025

Smart textile to sense light, pressure, smell, and even taste—successfully developed next-gen fibers that will change the future of wearable technologies

A research team developed semiconductor fibers that emulate the five human senses, measuring changes in light, chemicals, pressure, pH, and mechanical strain. The fibers' unique structure allows precise control of their three-dimensional spiral shape, enabling them to detect a variety of environmental information.

New biomarkers to detect colorectal cancer

Researchers at University of Birmingham have discovered three new protein biomarkers TFF3, LCN2, and CEACAM5 that show strong predictive potential for colorectal cancer. These biomarkers are linked to cell adhesion and inflammation, processes closely associated with cancer development.

SourceUniversity of Birmingham·JournalFrontiers in Oncology·TypeData/statistical analysis·DateJan 20, 2025

NTU Singapore, India’s Energy Department of the Government of Odisha, and Indian Institute of Technology, Bhubaneswar collaborate to advance R&D in sustainable energy technologies

The collaboration aims to drive innovation in renewable energy technologies, focusing on advancements in solar, wind, and other new and renewable energy systems. Research efforts will also study microgrid technologies, grid management solutions, and explore energy-efficient buildings and processes.

Study shows positive impact of anti-junk food ads during sports broadcasts

A new Edith Cowan University study found that anti-junk food advertisements during Australian national sporting broadcasts reduced both cravings and consumption intentions, particularly in healthy BMI participants. In contrast, junk food advertisements were largely unregulated and had minimal to no impact on inclinations to eat junk food.

SourceEdith Cowan University·JournalHealth Promotion Journal of Australia·TypeObservational study·DateJan 20, 2025

Cycle of coral bleaching on the Great Barrier Reef now at ‘catastrophic’ levels

A recent study revealed that 66% of coral colonies on the southern Great Barrier Reef were bleached by February 2024, with 80% by April. The research team tracked the health of 462 coral colonies over 161 days and found that 44% of the bleached colonies had died, including a staggering 95% mortality rate for some species.

SourceUniversity of Sydney·JournalLimnology and Oceanography Letters·TypeObservational study·DateJan 20, 2025

Gene classifier tests for prostate cancer may influence treatment decisions despite lack of evidence for long-term outcomes

A systematic review found that genomic classifier tests can influence risk classifications and treatment decisions for patients with localized prostate cancer, but more research is needed to understand their cost-effectiveness and impact on racial groups. The tests may lead to more conservative management options, such as active survei...

SourceAmerican College of Physicians·JournalAnnals of Internal Medicine·TypeNews article·DateJan 20, 2025

Floating nanoballoons for improved bioavailability and sustained release anti-inflammatory effect of ibuprofen

The study developed floating nanoballoons to improve ibuprofen's bioavailability and sustained release its anti-inflammatory effects. The formulation showed superior edema inhibition in acute inflammation studies, reducing TNF-α, hs-CRP, and IL-6 levels, while increasing anti-inflammatory IL-10 levels.

SourceXia & He Publishing Inc.·JournalJournal of Exploratory Research in Pharmacology·DateJan 20, 2025

DGIST pioneered an unknown quantum world by discovering a “1/3” fractional quantum state!

The discovery of a '1/3' fractional quantum Hall state in twisted graphene could lead to the development of more efficient electronic devices. The researchers used a unique structure comprising two slightly twisted layers of graphene, observing new patterns that create different rules for governing electron movement.