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Science News Archive February 2025 - Page 37


Page 37 of 44

Breakthrough in opto-magnetic technology: 5-fold increase in torque efficiency

Researchers at Tohoku University have achieved a significant advancement in opto-magnetic technology, observing an opto-magnetic torque approximately five times more efficient than in conventional magnets. This breakthrough enables the production of opto-magnetic effects with only one-fifth of the previous light intensity.

Tuning forks in space: A final pure "tone" may reveal interior of neutron stars

Researchers have discovered a strong connection between the long ringdown phase of post-merger gravitational waves and the properties of dense regions in neutron-star cores. Analyzing this phase can significantly reduce uncertainties in the equation of state at very high densities, shedding light on what neutron stars are made of.

SourceGoethe University Frankfurt·JournalNature Communications·TypeComputational simulation/modeling·DateFeb 6, 2025

Why some heavy drinkers develop advanced liver disease, while others do not

A study by Keck Medicine of USC found that heavy drinkers with diabetes, high blood pressure, or a high waist circumference are more than twice as likely to develop advanced liver disease. The research highlights the importance of considering preexisting health issues when making decisions about alcohol consumption.

SourceUniversity of Southern California - Health Sciences·JournalClinical Gastroenterology and Hepatology·DateFeb 6, 2025

New evidence on the association between endometriosis and traumatic and stressful experiences

A study of over 240,000 women found that those with endometriosis were more likely to report experiencing traumatic events, such as physical abuse or sexual assault. The research suggests that childhood and adult trauma may contribute to the pathogenesis of endometriosis through mechanisms independent of genetic predisposition.

SourceUniversity of Barcelona·JournalJAMA Psychiatry·TypeObservational study·DateFeb 6, 2025

uOttawa study unveils new insights into how neural stem cells are activated in the adult human brain

A University of Ottawa neuroscientist has led a Canadian research team to discover how neural stem cells integrate signals from different cell types and decode them. The study found that low daughter cell numbers trigger activation, while high numbers keep them in quiescence, offering new insights into cellular relationships and potent...

SourceUniversity of Ottawa·JournalCell Stem Cell·DateFeb 6, 2025

New impetus for female founders

The EXIST Women program aims to promote start-ups in the Rhine-Main region by supporting female founders. The program offers individual coaching, mentoring, and a strong network, as well as financial support of up to €3,000 per month. Participants benefit from workshops and coaching sessions that strengthen their entrepreneurial skills.

Dust storms and wind erosion cause $154 billion in damages annually, UTEP study shows

A new study estimates the societal costs of blowing dust and wind erosion at approximately $154 billion per year across the United States. Dust can exacerbate asthma and other respiratory illnesses, causing significant medical costs, while also damaging homes and landscaping, transportation systems, and agricultural productivity.

SourceUniversity of Texas at El Paso·JournalNature Sustainability·DateFeb 6, 2025

Restoring predators, restoring ecosystems: Yellowstone wolves and other carnivores drive strong trophic cascade

A new study reveals the profound ecological effects of wolves in Yellowstone National Park, showcasing a remarkable 1,500% increase in willow crown volume along riparian zones. The research demonstrates the cascading effects predators can have on ecosystems, with significant impacts on herbivores and plants.

SourceConservation Biology Institute·JournalGlobal Ecology and Conservation·TypeObservational study·DateFeb 6, 2025

Some species of baleen whales avoid attracting killer whales by singing too low to be heard

Baleen whale species that flee from killer whales produce calls at deep frequencies undetectable to their predators, while others sing higher-frequency songs that are easily heard. This 'flight' vs 'fight' difference influences all aspects of baleen whale behavior, from migration patterns and communication to mating and feeding habits.

SourceUniversity of Washington·JournalMarine Mammal Science·TypeLiterature review·DateFeb 6, 2025

Cancer diagnoses and deaths are declining in Appalachia but remain significantly higher compared to other US regions

Researchers found that cancer incidence and death rates are decreasing in Appalachia, but people in the region are more likely to be diagnosed with and die from cancer compared to other areas of the US. The disparities are attributed to limited access to care, historical occupational risks, and higher poverty rates.

SourceAmerican College of Surgeons·JournalJournal of the American College of Surgeons·TypeData/statistical analysis·DateFeb 6, 2025

Understanding cell differentiation mechanisms through scEGOT

A new computational tool, scEGOT, has been developed to analyze single-cell dynamics across different cell types. The study focused on the induction process of human primordial germ cell-like cells from human pluripotent stem cells, revealing key transition points and genes regulating these processes.

SourceInstitute for the Advanced Study of Human Biology (ASHBi), Kyoto University·JournalBMC Bioinformatics·TypeData/statistical analysis·DateFeb 6, 2025

Scratching through the negative emotions

A study on six Japanese macaques reveals that bodily responses like self-scratching predict pessimistic judgment bias, but not vice versa. This suggests an evolutionary conserved system where monkeys address immediate needs through bodily responses before engaging in cognitive information processing.

SourceKyoto University·JournalProceedings of the Royal Society B Biological Sciences·TypeObservational study·DateFeb 6, 2025

Warding off superbugs with a pinch of turmeric

Researchers at Texas A&M University have developed a low-cost technology using curcumin to curb bacterial resistance. The study shows that photodynamic inactivation can trigger deleterious reactions within bacteria, killing them and reducing the number of antibiotic-resistant strains.

SourceTexas A&M University·JournalScientific Reports·DateFeb 6, 2025

Incheon National University develops advanced communication technology for faster, reliable 5G and 6G networks

Researchers at Incheon National University have developed a new AI-powered solution to improve high-speed users' connectivity in 5G and 6G networks. The method significantly reduces errors and improves data reliability by prioritizing key parameters such as angles and delays.

SourceIncheon National University·JournalIEEE Transactions on Wireless Communications·TypeComputational simulation/modeling·DateFeb 6, 2025

Recycling the unrecyclable

Researchers have developed a novel solid catalyst to efficiently reclaim materials from epoxy products, including carbon fibers and glass fibers. The process uses lower temperatures than traditional methods, reducing energy requirements and making the recovery of materials more environmentally friendly.

SourceUniversity of Tokyo·JournalNature Communications·TypeExperimental study·DateFeb 6, 2025