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Science News Archive 2025 - Page 439


Page 439 of 574

Researchers unlock probable hot spots for critical metals

New research from Macquarie University identifies the probable locations and mechanisms of accumulations of critical metals at the margins of old cores of continents. These areas have been found to contain more sulfur and copper than elsewhere on the continents, making them potential targets for future exploration activities.

SourceMacquarie University·JournalNature·TypeExperimental study·DateJan 8, 2025

Nearly 30,000 wild species identified in US trade data

A recent study published in PNAS found almost 30,000 wild species were traded in the US over a 22-year period, with 50% sourced from the wild. The majority of these species were not subject to assessments ensuring sustainable harvest, highlighting a major gap in global monitoring and management.

SourceUniversity of Adelaide·JournalProceedings of the National Academy of Sciences·DateJan 8, 2025

How deep sleep clears a mouse’s mind, literally

Researchers discovered that norepinephrine triggers blood vessel constriction to propel cerebrospinal fluid through the brain, clearing out waste. The findings suggest that sleep aids may disrupt this process, potentially affecting long-term cognitive health.

SourceCell Press·JournalCell·TypeExperimental study·DateJan 8, 2025

AI enhances breast cancer detection in Germany’s mammography screening program: Results from the world’s largest prospective AI study

A recent study published in Nature Medicine found that AI significantly improves breast cancer detection rates, detecting an additional cancer case per 1,000 women screened. The results show improved efficiency without increasing false positives or unnecessary follow-ups.

SourceUniversity of Lübeck·JournalNature Medicine·TypeObservational study·DateJan 8, 2025

Neuron special issue explores the science of aging

The Neuron special issue sheds light on the science of aging, focusing on how age-related changes impact the brain's ability to clear waste and transport energy. The collection also explores the link between the immune system and brain health.

SourceCell Press·JournalNeuron·TypeLiterature review·DateJan 8, 2025

New international research collaboration to develop and test an improved dietary supplement for pregnant women

Researchers in Kenya, Norway, and Denmark are collaborating on a project to develop and test an improved dietary supplement for pregnant women. The goal is to reduce incidences of low birth weight, improve maternal and child health, and enhance growth and cognitive development in children. The new supplement, MMS+, will include additio...

A new ultrathin conductor for nanoelectronics

Researchers at Stanford University have discovered a new class of conductors made from niobium phosphide that can conduct electricity better than copper in films as thin as a few atoms. This breakthrough could lead to more powerful and efficient electronics, reducing energy consumption and heat loss.

SourceStanford University·JournalScience·DateJan 8, 2025

The Frontiers of Knowledge Award goes to the four researchers who laid the biological foundations for revolutionary new treatments in diabetes and obesity

The BBVA Foundation has awarded four researchers for their fundamental discoveries about the GLP-1 hormone, which has driven the development of new generation drugs for treating type 2 diabetes and obesity. The research also shows exciting therapeutic potential in neurological conditions such as Parkinson's and Alzheimer's disease.

Rethinking population management in zoos

Researchers argue that zoos should adopt a rational approach to population management, balancing education and conservation goals with the reality of animal mortality. Planned culling can help maintain self-sustaining populations and reduce carbon footprint by utilizing in-house meat supplies.

SourceUniversity of Zurich·JournalProceedings of the National Academy of Sciences·TypeCommentary/editorial·DateJan 8, 2025

Disparities in 36 cancers across 185 countries: Secondary analysis of global cancer statistics

A new study analyzed global cancer statistics to reveal stark disparities between high and low human development index countries, with a projected increase in cancer cases in low-medium HDI nations by 2040. The analysis found that high-income countries reported lower mortality-to-prevalence ratios, while low-income countries showed hig...

SourceHigher Education Press·JournalFrontiers of Medicine·TypeExperimental study·DateJan 8, 2025

Fecal transplantation offers new hope for diabetes patients with severe gastrointestinal issues

A new study from Aarhus University Hospital shows that fecal microbiota transplantation can be a safe and effective treatment for patients with type 1 diabetes and gastroenteropathy. The treatment has significantly improved quality of life and symptoms for participants, offering hope to those with debilitating symptoms.

SourceAarhus University·JournalEClinicalMedicine·TypeRandomized controlled/clinical trial·DateJan 8, 2025

Exposure to aircraft noise linked to worse heart function

A study published in the Journal of the American College of Cardiology found that people exposed to high aircraft noise levels had stiffer and thicker heart muscles, which contracted and expanded less easily. This was especially true for those exposed to higher noise at night, potentially due to impaired sleep and stress responses.

SourceAmerican College of Cardiology·JournalJournal of the American College of Cardiology·DateJan 8, 2025

From gender dysphoria to special skills: decoding the link

A study by Sophia University researchers found that individuals with Klinefelter syndrome and sexual minorities exhibited higher sensory hypersensitivity and hyposensitivity compared to controls. These traits were more pronounced in participants with gender dysphoria, where gender identity conflicts with assigned sex at birth.

SourceSophia University·JournalFrontiers in Child and Adolescent Psychiatry·TypeObservational study·DateJan 8, 2025

A new era in genetic engineering

Researchers have developed a new genetic engineering tool, mvGPT, that can precisely edit genes, activate gene expression, and repress genes all at the same time. The technology has shown promise in treating genetic diseases such as Wilson's disease and type I diabetes by targeting multiple genetic conditions simultaneously.

SourceUniversity of Pennsylvania School of Engineering and Applied Science·JournalNature Communications·TypeExperimental study·DateJan 8, 2025

Small antibody offers broad protection against influenza

Researchers at the University of Gothenburg have discovered an antibody-like molecule, E10, that can protect mice from various influenza viruses. The molecule targets a conserved part of the virus's surface protein shared across multiple influenza types, providing effective protection against seasonal epidemics.

SourceUniversity of Gothenburg·JournalNature Communications·TypeExperimental study·DateJan 8, 2025

Why do birds make so many different sounds? A new UW–Madison study gets at the underlying factors

Researchers analyzed over 100,000 audio recordings from around the world to understand the factors that contribute to the diversity of bird sounds. The study found that larger birds tend to call at lower frequencies, which can indicate hunting pressure in landscapes.

SourceUniversity of Wisconsin-Madison·JournalProceedings of the Royal Society B Biological Sciences·TypeMeta-analysis·DateJan 8, 2025

Breathing life into ancient texts: Unveiling Greco-Roman medicine through modern reenactments

A new study combines science and history to uncover new insights into Greco-Roman medical practices. Researchers recreated Galen's 2nd-century CE dissections, clarifying discrepancies in the text and shedding light on the enduring influence of ancient medicine on modern thought.

SourceThe Hebrew University of Jerusalem·JournalProceedings of the National Academy of Sciences·TypeComputational simulation/modeling·DateJan 7, 2025

One-dimensional perovskite lattice tilts & stretches to stabilize excitons

Researchers demonstrated the existence of an Exciton-Polaron in a quasi-one-dimensional hybrid perovskitoid, showcasing its potential for optoelectronic applications. The study reveals that the one-dimensional lattice is soft and susceptible to reorganization, enabling tunable frameworks for new quantum technologies.

SourceTata Institute of Fundamental Research·JournalThe Journal of Physical Chemistry Letters·TypeExperimental study·DateJan 7, 2025

New research uncovers the impact of external rivalries on workplace collaboration

A recent study published in Strategic Management Journal reveals that employees' external affiliations with rival organizations can significantly disrupt internal teamwork. Researchers found that dual-affiliated employees were less likely to collaborate effectively when working for their shared employer.

SourceStrategic Management Society·JournalStrategic Management Journal·TypeData/statistical analysis·DateJan 7, 2025

Optical imaging technique offers more precise diagnosis of sleep apnea

A recent study has explored a new imaging approach that uses swept-source optical coherence tomography to visualize the upper airway with high precision. By integrating computational fluid dynamics, researchers were able to identify areas of turbulence and pinpoint obstruction sites, leading to more accurate diagnoses and treatment pla...

SourceSPIE--International Society for Optics and Photonics·JournalBiophotonics Discovery·DateJan 7, 2025

Researchers use AI to help predict and identify subtypes of Type 2 diabetes from simple glucose monitor

A new AI-based algorithm can parse three of the four most common Type 2 diabetes subtypes using data from continuous blood glucose monitors. The technology could help individuals take preventative measures by identifying prediabetes warning signs and adjusting dietary or exercise habits accordingly.

SourceStanford Medicine·JournalNature Biomedical Engineering·TypeObservational study·DateJan 7, 2025

New AI technique generates clear images of thick biological samples without the fancy hardware

Researchers have developed a new AI method that produces sharp microscopy images throughout a thick biological sample, count cells more accurately, and trace vessels in embryos. The technique doesn't require additional equipment beyond a standard microscope and is more accessible than traditional adaptive optics techniques.

SourceHoward Hughes Medical Institute·JournalNature Communications·DateJan 7, 2025