Add BrightSurf on Google Email

Science News Archive 2025 - Page 378


Page 378 of 574

Fossils reveal rapid land recovery after end-Permian extinction

Researchers discovered that tropical riparian ecosystems recovered rapidly within two million years of the end-Permian mass extinction, indicating a faster-than-thought adaptation. This finding contradicts previous theories on ecosystem recovery and suggests that life on land may have been more resilient than previously believed.

SourceeLife·JournaleLife·DateFeb 18, 2025

Cholesterol metabolism byproduct linked to Parkinson’s disease

Researchers have discovered a critical link between a cholesterol byproduct and Parkinson's disease development in mice. The study highlights the role of 24-OHC in forming Lewy bodies and killing dopamine neurons, with potential therapeutic targets emerging as drugs that prevent its production.

SourcePLOS·JournalPLOS Biology·TypeExperimental study·DateFeb 18, 2025

New research brings hope for improved outcomes and survival rates for patients facing a pancreatic cancer diagnosis

Researchers at Trinity College Dublin have discovered a biomarker panel that can accurately identify patients at risk of developing pancreatic cancer, offering new hope for early detection and improved treatment. The study uses a combination of blood and fluid analysis to distinguish between low- and high-risk patients.

SourceTrinity College Dublin·JournalScientific Reports·TypeExperimental study·DateFeb 18, 2025

Radiation plus combination immunotherapy may help preserve bladder in some patients with muscle-invasive bladder cancer

Researchers found that radiation combined with immune checkpoint inhibitors durvalumab and tremelimumab resulted in durable responses allowing for bladder preservation in localized MIBC patients. The study showed a high efficacy rate of 93% complete response rate, with 84% overall survival rate after two years.

SourceAmerican Association for Cancer Research·JournalClinical Cancer Research·DateFeb 18, 2025

Could microRNAs help us understand why different birds react differently to being infected with bird flu?

A recent study found that different birds react differently to being infected with bird flu, and microRNAs may play a key role in this variation. The researchers analyzed blood samples from ruddy turnstones and found 163 different forms of microRNA, including two unique to birds.

SourceNorwegian University of Science and Technology·JournalJournal of Avian Biology·TypeSurvey·DateFeb 18, 2025

From plants to people: How amino acid, vitamin balance links plant immunity to epilepsy

A study by researchers at the University of Kentucky has found that plant immune responses and human neurological health share common biochemical pathways. This discovery highlights the importance of plant-based diets for essential vitamins and amino acids, and suggests a link between disruptions in amino acid metabolism and human health.

SourceUniversity of Kentucky·JournalNature Plants·TypeExperimental study·DateFeb 18, 2025

Don’t bin your blood

Australian Red Cross Lifeblood researchers surveyed over 4,000 people with haemochromatosis and found that their blood and plasma can be used to save lives. The study highlights the potential for these donors to increase blood supplies globally, particularly in countries accepting plasma donations from individuals with this condition.

SourceAustralian Red Cross Lifeblood·JournalTransfusion·TypeSurvey·DateFeb 18, 2025

Physically demanding work is not enough to stay healthy: Leisure-time physical activity is key for type 2 diabetes risk reduction

A new study highlights the importance of distinguishing between domains of physical activity. Researchers found that engaging in moderate to vigorous physical activity during leisure time reduces the risk of type 2 diabetes, while occupational physical activity has no similar benefits. The study's findings suggest that current WHO phys...

SourceElsevier·JournalAmerican Journal of Preventive Medicine·TypeData/statistical analysis·DateFeb 18, 2025

Einstein Probe catches X-ray odd couple

Scientists discovered a rare binary system consisting of a massive Be star and a compact white dwarf, with the Einstein Probe catching the X-ray signal from its initial flare-up to its fading away. The analysis revealed clues about the elements present in the exploding material, including nitrogen, oxygen, and neon.

SourceEuropean Space Agency·JournalThe Astrophysical Journal Letters·TypeObservational study·DateFeb 18, 2025

Coffee grounds and Reishi mushroom spores can be 3D printed into a compostable alternative to plastics

A team of researchers at the University of Washington has developed a novel method for 3D printing objects using a mixture of coffee grounds, brown rice flour, and Reishi mushroom spores. The resulting material is compostable, lightweight, and strong, with a density similar to that of polystyrene foam.

SourceUniversity of Washington·Journal3D Printing and Additive Manufacturing·DateFeb 18, 2025

A newly discovered mechanism rejuvenates aging cells

A newly discovered mechanism has identified a key protein, AP2A1, that toggles between 'young' and 'old' cell states. By suppressing AP2A1 in older cells, researchers were able to reverse senescence and promote cellular rejuvenation. This breakthrough may lead to new treatment targets for diseases associated with old age.

SourceOsaka University·JournalCellular Signalling·TypeExperimental study·DateFeb 18, 2025

Use of child sexual abuse material is often associated with other forms of violence – researchers gathered unique data from users of child sexual abuse material on the dark web

A recent study found that individuals charged with sexual offenses against adults are at high risk of committing crimes against children, with up to 40% reporting interest in violent acts against minors. The study also identified effective prevention methods and a model of peer support for parents of child victims.

SourceUniversity of Eastern Finland·JournalChild Abuse & Neglect·DateFeb 18, 2025

Research shows how sellers and buyers can get better deals in eBay ‘best offer’ bargaining

Researchers found that eBay sellers who respond slowly to buyer offers may be signaling they are close to accepting the price. Buyers, on the other hand, are discouraged by slow responses and less likely to make counteroffers. By taking a slow response as a positive sign, buyers can potentially get better deals.

SourceUniversity of California - Los Angeles·JournalProceedings of the National Academy of Sciences·DateFeb 18, 2025

Landmark study of Chagas disease in Paraguay supports use of rapid tests to improve access to diagnosis

A landmark study led by ISGlobal found that combining rapid diagnostic tests with conventional serology improves access to diagnosis for Chagas disease. The prevalence of Chagas is six times higher in an indigenous community in Paraguay compared to the capital.

SourceBarcelona Institute for Global Health (ISGlobal)·JournalPLOS Neglected Tropical Diseases·TypeObservational study·DateFeb 18, 2025

Study by Montana State ecologist finds eastern monarch butterflies delaying fall migration

Research by Montana State University ecologist Diane Debinski found that eastern monarch butterflies are delaying their fall migration, staying in the field for nine days longer than they did in 2003. This delay was linked to a similar shift in the timing of milkweed blooming, which could have implications for population dynamics and v...

SourceMontana State University·JournalJournal of Animal Ecology·TypeExperimental study·DateFeb 18, 2025

Americans willing to pay nearly $100 billion to reduce gun violence

A new study finds Americans are willing to pay nearly $100 billion for policies that reduce gun violence by 20%. The research, conducted by Duke University and the University of Chicago, shows widespread support from all demographics for stronger intervention. With a national WTP estimate of $97.6 billion, Americans are willing to inve...

SourceDuke University·JournalProceedings of the National Academy of Sciences·TypeSurvey·DateFeb 18, 2025