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Science X / Phys.org
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Science X provides daily science news on research developments, technological breakthroughs and the latest science innovations.
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A deep-learning model can now distinguish wild from farmed salmon by analyzing fish scale images, offering a rapid and accurate tool to support environmental monitoring efforts. doi.org/hbcp53
New deep-learning tool can tell if salmon is wild or farmed
A paper published in Biology Methods and Protocols, finds that it is now possible to distinguish wild from farmed salmon using deep learning, potentially greatly improving strategies for environmental protection.
phys.org
November 26, 2025 at 5:10 AM
A Rhode Island SNAP incentive program was linked to increased fruit and vegetable intake among participants with higher baseline consumption, but showed limited impact for those with lower initial intake. doi.org/hbcpmw
Evaluating the effectiveness of a state-level SNAP incentive program
When Eat Well, Be Well was launched in Rhode Island in January 2024, it was the first program of its kind in the country to offer a financial incentive for those in the Supplemental Nutrition Assistance Program (SNAP) to eat healthier.
medicalxpress.com
November 26, 2025 at 2:40 AM
New data from the DEVILS survey indicate that a galaxy’s local environment significantly influences its shape, size, and growth over billions of years. doi.org/hbcpdj
The DEVILS in the details: How the cosmic landscape impacts the galaxy lifecycle
A team of astronomers from the International Center for Radio Astronomy Research (ICRAR) has released new data from an extensive galaxy evolution survey that found a galaxy's "neighborhood" plays a major role in how it changes over time.
phys.org
November 26, 2025 at 12:10 AM
A new soft, lead-free hybrid material based on bismuth iodide efficiently converts motion into electricity, offering a safer alternative for sensors, wearables, and self-powered devices. doi.org/hbcpdh
Soft hybrid material turns motion into power—without toxic lead
Scientists have developed a new material that converts motion into electricity (piezoelectricity) with greater efficiency and without using toxic lead—paving the way for a new generation of devices that we use in everyday life.
techxplore.com
November 26, 2025 at 12:10 AM
Long-term calorie restriction may slow brain aging by supporting healthier metabolism and myelin maintenance in brain cells, suggesting dietary habits can influence the trajectory of brain health. doi.org/hbcpcp
Long-term calorie restriction may slow normal brain aging
As the brain ages, cells in the central nervous system experience metabolic dysfunction and increased oxidative damage.
medicalxpress.com
November 25, 2025 at 11:50 PM
Consuming up to 3–4 cups of coffee daily is linked to longer telomeres, suggesting slower biological aging in individuals with major mental illness, compared to non-coffee drinkers.
Daily coffee drinking may slow biological aging of people with major mental illness
Drinking a maximum of 3–4 cups of coffee a day may slow the "biological" aging of people with severe mental illness, by lengthening their telomeres—indicators of cellular aging—and giving them the equivalent of 5 extra biological years, compared with non-coffee drinkers, finds research published in BMJ Mental Health.
medicalxpress.com
November 25, 2025 at 11:30 PM
Fame may contribute to a shorter lifespan among singers in the UK, Europe, and North America, with famous singers living about four years less on average than their less well-known peers.
Fame itself may be critical factor in shortening singers' lives, research suggests
Fame itself may be a critical factor in shortening singers' lives beyond the hazards of the job—at least those in the UK/Europe and North America—suggests research published online in the Journal of Epidemiology & Community Health.
medicalxpress.com
November 25, 2025 at 11:30 PM
Gamma rays detected by NASA’s Fermi Telescope near the Milky Way’s center closely match predictions for dark matter annihilation, offering potential direct evidence of this elusive cosmic component. doi.org/hbcn95
After nearly 100 years, scientists may have detected dark matter
In the early 1930s, Swiss astronomer Fritz Zwicky observed galaxies in space moving faster than their mass should allow, prompting him to infer the presence of some invisible scaffolding—dark matter—holding the galaxies together.
phys.org
November 25, 2025 at 11:00 PM
A newly identified immune cell population has been shown to drive fibrosis, suggesting that targeting these cells could offer new strategies to prevent or treat scar tissue buildup in wounds. doi.org/hbcn9h
Newly identified immune cell type could hold key to preventing scar tissue buildup in wounds
Researchers at the University of Arizona have uncovered a previously unknown population of circulating immune cells that play a critical role in fibrosis, the buildup of scar tissue that can lead to organ failure and disfigurement.
medicalxpress.com
November 25, 2025 at 10:10 PM
A newly developed programmable metamaterial can be reconfigured into an immense number of shapes, enabling precise, real-time control of sound waves for applications such as medical imaging and soundproofing. doi.org/hbcn9c
Programmable metamaterial can morph into more configurations than there are atoms in the universe
The Wave Engineering for eXtreme and Intelligent maTErials (We-Xite) lab, led by engineering assistant professor Osama R.
techxplore.com
November 25, 2025 at 9:34 PM
Renal medullary carcinoma cells use myeloid mimicry to evade the immune system and accelerate after immunotherapy, but targeting this pathway in preclinical models improved treatment response. doi.org/hbcn88
Myeloid mimicry enables kidney tumors to resist immunotherapy and worsen rapidly, study finds
Researchers at The University of Texas MD Anderson Cancer Center have found that renal medullary carcinoma (RMC) cells use an adaptive mechanism called "myeloid mimicry" to hide from the immune system and promote disease hyperprogression after immunotherapy, highlighting specific targets that overcome treatment resistance in preclinical models.
medicalxpress.com
November 25, 2025 at 9:28 PM
A new X-ray imaging method captures attenuation, differential phase, and dark-field contrasts in a single exposure, offering more detailed diagnostics with lower radiation doses and faster results. doi.org/hbcn87
New X-ray method captures 3 image-contrast types in a single shot
University of Houston researchers developed a new X-ray imaging method capable of revealing hidden features in a single shot, a breakthrough that could advance cancer detection, disease monitoring, security screening and material analysis.
phys.org
November 25, 2025 at 9:25 PM
Zanidatamab, a bispecific HER2-targeted antibody, demonstrated durable responses and symptom improvement in patients with HER2-positive biliary tract cancer in a recent clinical trial. doi.org/hbcn85
HER2-targeted therapy shows promising results in rare bile duct cancers
Zanidatamab, a bispecific HER2-targeted antibody, delivered clinically meaningful and durable responses for patients with HER2-positive biliary tract cancer (BTC), according to final results from the HERIZON-BTC-01 clinical trial led by researchers at The University of Texas MD Anderson Cancer Center.
medicalxpress.com
November 25, 2025 at 9:21 PM
Observations with JWST’s MIRI instrument show ultraviolet radiation near young stars in Ophiuchus, challenging current models of star formation and highlighting the need to revisit protostellar processes. doi.org/hbcn5n
Puzzling ultraviolet radiation in the birthplaces of stars
Researchers used the MIRI instrument onboard the James Webb Space Telescope (JWST) to identify the presence of ultraviolet radiation in five young stars in the Ophiuchus region, and to understand its role in the formation of stars.
phys.org
November 25, 2025 at 8:50 PM
New findings indicate that the PTPN22 genetic variant does not regulate type 1 interferon production, challenging previous assumptions about its role in immune system signaling.
Research challenges idea that gene PTPN22 boosts production of interferons
A new paper from the University of Kansas overturns the idea that a "risk gene" carried by millions of people worldwide influences production of type 1 interferon, a workhorse of the immune system.
medicalxpress.com
November 25, 2025 at 8:40 PM
An adaptive state injection method enables photonic quantum convolutional neural networks to adjust processing in real time, advancing the practicality and scalability of quantum machine learning.
Adaptive method helps light-based quantum processors act more like neural networks
Machine learning models called convolutional neural networks (CNNs) power technologies like image recognition and language translation.
phys.org
November 25, 2025 at 8:39 PM
Shorter courses of androgen deprivation therapy may be sufficient for many prostate cancer patients, supporting more personalized treatment plans that balance effectiveness with reduced side effects. doi.org/hbcn4w
Many men may not need long-term hormone therapy for prostate cancer, study suggests
A study co-led by investigators at the UCLA Health Jonsson Comprehensive Cancer Center found that most of the benefits of androgen deprivation therapy (ADT) for prostate cancer occur within the first 9 to 12 months.
medicalxpress.com
November 25, 2025 at 8:32 PM
New findings detail how carbonate molecules and their radicals influence CO₂ conversion and hydrogen evolution on gold electrocatalysts, offering strategies to improve efficiency and selectivity. doi.org/hbcn4g
How carbonates influence CO₂-to-fuel conversion: New insights from gold electrocatalysts
Researchers from the Helmholtz Zentrum Berlin (HZB) and the Fritz Haber Institute of the Max Planck Society (FHI) have uncovered how carbonate molecules affect the conversion of CO2 into valuable fuels on gold electrocatalysts.
phys.org
November 25, 2025 at 8:29 PM
Iron-nitrogen-carbon catalysts derived from well-decomposed peat demonstrate promising structural properties for efficient, cost-effective fuel cell applications, offering a sustainable alternative to platinum. doi.org/hbcn3w
Using peat as sustainable precursor for fuel cell catalyst materials
Iron-nitrogen-carbon catalysts have the potential to replace the more expensive platinum catalysts currently used in fuel cells.
phys.org
November 25, 2025 at 8:27 PM
New findings indicate that sorbitol, a common sugar substitute, can be converted to fructose in the liver and may contribute to liver disease, especially when gut bacteria are unable to degrade it. doi.org/hbcn3g
Alternative sweetener sorbitol linked to liver disease
Sweeteners such as aspartame, found in Equal packets, sucralose (Splenda), or sugar alcohols are often seen as healthier alternatives to food with refined sugar (glucose).
medicalxpress.com
November 25, 2025 at 8:11 PM
The choice of deuterium source in hydrogen isotope exchange reactions can fundamentally alter reaction pathways, with substrate structure and reaction conditions jointly determining mechanistic outcomes. doi.org/hbcn3d
When substrates dictate the route: Deuterium source reshapes hydrogen isotope exchange pathways
A collaboration between the groups of Professor Mónica H. Pérez-Temprano at the Institute of Chemical Research of Catalonia (ICIQ) and Professor Anat Milo at Ben-Gurion University of the Negev has uncovered how the characteristics of specific substrates require certain reaction conditions that determine the course of a chemical reaction, in the context of C–H deuteration reactions.
phys.org
November 25, 2025 at 7:52 PM
The intestinal nervous system regulates the development of intestinal cells and immune responses, playing a central role in maintaining the gut barrier and influencing allergy risk. doi.org/hbcn2s
Why the 'gut brain' plays a central role for allergies
An international research team led by scientists from Bern and Charité—Universitätsmedizin Berlin has identified a previously unknown function of the intestinal nervous system.
medicalxpress.com
November 25, 2025 at 7:29 PM
New findings show that dopamine can indirectly influence brain activity by enhancing serotonin signaling, highlighting a previously unrecognized link between these key neurotransmitters. doi.org/g993c9
Study reveals unexpected link between dopamine and serotonin in the brain
Researchers at Karolinska Institutet, Columbia University and the University of San Francisco, have uncovered a previously unknown mechanism by which dopamine, a key brain chemical vital for movement and motivation, can affect brain activity indirectly by boosting serotonin.
medicalxpress.com
November 25, 2025 at 7:16 PM
A new model quantifies how AI chatbots’ tendency to agree with users—known as sycophancy—can reduce both their accuracy and rationality, impacting decision-making in sensitive fields. doi.org/hbcn2c
New model measures how AI sycophancy affects chatbot accuracy and rationality
If you've spent any time with ChatGPT or another AI chatbot, you've probably noticed they are intensely, almost overbearingly, agreeable.
techxplore.com
November 25, 2025 at 7:14 PM
Detailed first trimester ultrasound protocols are linked to earlier detection of major fetal anomalies, highlighting the potential benefits of systematic early screening in prenatal care. doi.org/hbcnzq
Routine first trimester ultrasounds lead to earlier detection of fetal anomalies, finds study
Scanning for serious structural issues in fetuses during the first trimester can result in earlier detection of these issues, reports a new study led by Aris Papageorghiou at the University of Oxford, United Kingdom, published in PLOS Medicine.
medicalxpress.com
November 25, 2025 at 7:00 PM