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Why certain arthritis drugs don't work in rheumatoid arthritis (medicalxpress.com)

Cedars-Sinai investigators may have figured out why certain immunosuppressive treatments don't work well in rheumatoid arthritis. In a study published in Science Immunology, scientists trace the problem to specific changes that occur in immune cells within the joints as the disease progresses.

2025-11-26 14:56:04 +0100
Should we 'get over' print books in the digital age—or are they more precious than ever? (phys.org)

Ebooks have been popular for decades and audiobooks are increasingly so. But physical books are still the decided favorite: a survey of Australian publishers after last Christmas reported print books made up a comfortable majority of sales (ebooks were 4–18% and audiobooks 5–15%). This is despite regular warnings about the death of the book.

2025-11-26 14:49:04 +0100
NASA's Roman Observatory passes spate of key tests (phys.org)

NASA's nearly complete Nancy Grace Roman Space Telescope has made another set of critical strides toward launch. This fall, the outer portion passed two tests—a shake test and an intense sound blast—to ensure its successful launch.

2025-11-26 14:46:03 +0100
A backlash against AI imagery in ads may have begun as brands promote 'human-made' (phys.org)

In a wave of new ads, brands like Heineken, Polaroid and Cadbury have started hating on artificial intelligence (AI), celebrating their work as "human-made."

2025-11-26 14:45:04 +0100
Bird sex fascinated medieval thinkers as much as it does today (phys.org)

Earlier this year, a group of researchers published a paper on the remarkable phenomenon of sex reversal in several Australian birds, including wild magpies and kookaburras.

2025-11-26 14:42:04 +0100
The economic benefits of migration for host countries (phys.org)

When migration is in the news, it is often cast in negative terms, but it has many benefits for host countries, from economic growth to critical support for systems like Social Security that support aging populations. That's according to a new report produced by two Fletcher School professors and four graduate students for the Club de Madrid, an international group of former heads of states that is concerned with policy issues worldwide.

2025-11-26 12:51:05 +0100
A retail approach nudges healthier choices in food relief (medicalxpress.com)

A University of Adelaide study, conducted in collaboration with Foodbank SA & NT, has demonstrated that strategies supermarkets commonly use to influence shopper behavior can be successfully adapted for food relief pantries.

2025-11-26 12:04:04 +0100
New study shows why some minds can't switch off at night (medicalxpress.com)

Australian researchers have found compelling evidence that insomnia may be linked to disruptions in the brain's natural 24-hour rhythm of mental activity, shedding light on why some people struggle to "switch off" at night.

2025-11-26 12:03:03 +0100
AI tops density in predicting breast cancer risk (medicalxpress.com)

An image-only artificial intelligence (AI) model for predicting the five-year risk of breast cancer provided stronger and more precise risk stratification than breast density assessment, according to a study presented at the annual meeting of the Radiological Society of North America (RSNA).

2025-11-26 11:00:05 +0100
OLEDs can now switch light's handedness with an electrical signal (phys.org)

Researchers from the University of Oxford have for the first time discovered an approach to electrically switch organic LEDs (OLEDs) to emit either left- or right-handed circularly polarized light without changing the light-emitting molecules. This could be useful for a range of technological applications, from more energy efficient OLED displays, to optical information transfer.

2025-11-26 11:00:03 +0100
Novel mRNA therapy curbs antibiotic-resistant infections in preclinical lung models (phys.org)

Researchers at the Icahn School of Medicine at Mount Sinai and collaborators have reported early success with a novel mRNA-based therapy designed to combat antibiotic-resistant bacteria.

2025-11-26 11:00:01 +0100
Five science-backed reasons to express gratitude, according to research (phys.org)

When was the last time you said "thank you"—and really meant it?

2025-11-26 10:52:04 +0100
Five things to know about staying cool in the heat (medicalxpress.com)

Australia is no stranger to hot weather, and Griffith University researchers have compiled five handy things to be aware of so we do not place our health at risk during the summer months.

2025-11-26 10:27:03 +0100
Study suggests that many older women use sex toys to promote orgasm, which may promote positive health outcomes (medicalxpress.com)

Although research on sexuality in older adults has been growing in recent years, most of the studies are focused on partnered sexual activity and not on solo sexual behavior, including masturbation or the use of sex toys.

2025-11-26 10:24:03 +0100
California affirms vaccine advice after US govt autism change (medicalxpress.com)

Liberal US states led by California on Tuesday said parents should continue to get their children immunized, contradicting what they said was "dangerous misinformation on vaccines and autism" issued by the federal government.

2025-11-26 10:10:06 +0100
Japan's Rapidus plans second cutting-edge chip plant: Reports (techxplore.com)

Japanese chipmaker Rapidus plans to start building a second factory to produce cutting-edge semiconductors in a race with Taiwanese industry leader TSMC, local media reports said.

2025-11-26 10:10:04 +0100
Ambitious plan to store CO₂ beneath the North Sea set to start operations (phys.org)

Appearing first as a dot on the horizon, the remote Nini oil field on Europe's rugged North Sea slowly comes into view from a helicopter.

2025-11-26 10:00:35 +0100
Copper nanoparticles unexpectedly prove suitable for ultraviolet SERS spectroscopy (phys.org)

Lithuanian researchers at the Center for Physical Sciences and Technology (FTMC), Habil. Dr. Gediminas Niaura and Dr. Martynas Talaikis, together with international colleagues, have for the first time demonstrated that copper is a suitable metal for ultraviolet surface-enhanced Raman spectroscopy (UV SERS)—a highly sensitive method used to study molecular vibrations.

2025-11-26 09:48:25 +0100
New deep-learning tool can tell if salmon is wild or farmed (phys.org)

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. The paper is titled "Identifying escaped farmed salmon from fish scales using deep learning."

2025-11-26 06:10:01 +0100
Escape hatch could spare undersized Arctic crabs (phys.org)

Researchers working in Norway's Barents Sea say a simple modification to snow crab pots could sharply reduce the number of undersized animals accidentally caught in the Arctic fishery.

2025-11-26 04:40:01 +0100
What do prisoners in Finland think about sustainable development? New study uncovers barriers, opportunities (phys.org)

A new study from the University of Eastern Finland gives prisoners in Finland a voice in the current sustainability transformation debate, showing that their perceptions of sustainable development vary greatly, ranging from individual everyday actions to global environmental issues.

2025-11-26 03:50:01 +0100
Evaluating the effectiveness of a state-level SNAP incentive program (medicalxpress.com)

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.

2025-11-26 03:40:01 +0100
When darkness shines: How dark stars could illuminate the early universe (phys.org)

Scientists working with the James Webb Space Telescope discovered three unusual astronomical objects in early 2025, which may be examples of dark stars. The concept of dark stars has existed for some time and could alter scientists' understanding of how ordinary stars form. However, their name is somewhat misleading.

2025-11-26 03:10:01 +0100
Strategic maintenance could double Öresund Bridge lifespan to 200 years (techxplore.com)

Researchers at Lund University have developed a new framework that can lead to the Öresund Link, thanks to the right maintenance at the right time and smart monitoring, having a total lifespan of 200 years. This is twice as long as envisaged when the bridge was inaugurated 25 years ago.

2025-11-26 02:50:01 +0100
Tim Berners-Lee wants everyone to own their own data. His plan needs state and consumer support to work (techxplore.com)

Tim Berners-Lee, the creator of the World Wide Web, has released an important new book about the problems we face online and how to solve them. It is called "This is for Everyone," meaning that the internet should be for all.

2025-11-26 02:40:01 +0100
New framework unveiled for climate-resilient shores (phys.org)

Canada has a marine coastline twice as long as any other country and shares four Great Lakes with the United States. A new report warns that without coordinated planning, coastal communities face increasing flooding and erosion as climate change accelerates.

2025-11-26 02:20:01 +0100
Fern stems reveal secrets of evolution: How constraints in development can lead to new forms (phys.org)

There are few forms of the botanical world as readily identifiable as fern leaves. These often large, lacy fronds lend themselves nicely to watercolor paintings and tricep tattoos alike. Thoreau said it best: "Nature made ferns for pure leaves, to show what she could do in that line."

2025-11-26 01:50:01 +0100
Advancing patient-reported outcomes in cancer clinical trials (medicalxpress.com)

The SISAQOL-IMI consortium, co-led by the European Organization for Research and Treatment of Cancer (EORTC) and Boehringer Ingelheim (BI), has published a paper in The Lancet Oncology outlining how its recommendations for patient-reported outcomes (PROs) in cancer clinical trials were developed.

2025-11-26 01:20:01 +0100
Soft hybrid material turns motion into power—without toxic lead (techxplore.com)

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.

2025-11-26 01:10:04 +0100
Long-term calorie restriction may slow normal brain aging (medicalxpress.com)

As the brain ages, cells in the central nervous system experience metabolic dysfunction and increased oxidative damage. These cellular issues impair the ability to maintain the myelin sheath (the protective covering around nerve fibers), which leads to age-related white matter degradation.

2025-11-26 00:50:05 +0100
Daily coffee drinking may slow biological aging of people with major mental illness (medicalxpress.com)

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.

2025-11-26 00:30:04 +0100
Residents bring innovation and compassion to Zambia through global health rotation (medicalxpress.com)

In Lusaka, Zambia, where clinical improvisation is often essential, Mayo Clinic anesthesiologist Kashmira Chawla, M.D., led a group of senior residents from Mayo Clinic School of Graduate Medical Education (MCSGME) on a collaborative expedition to improve airway management and perioperative care.

2025-11-25 23:40:01 +0100
Newly identified immune cell type could hold key to preventing scar tissue buildup in wounds (medicalxpress.com)

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. The findings, published in Nature Biomedical Engineering, add to the understanding of the healing process and could lead to new strategies for preventing or treating fibrosis.

2025-11-25 23:10:06 +0100
Stress and a toxic workplace culture can cause insider cybersecurity threats (techxplore.com)

While most organizations address cybersecurity issues with technology and surveillance, Emmanuel Anti's research argues that empathy may be a more effective defense. His doctoral dissertation at the University of Vaasa explores insider deviance, and how understanding the human elements related to it can lead to stronger, more sustainable cybersecurity practices.

2025-11-25 22:52:19 +0100
Programmable metamaterial can morph into more configurations than there are atoms in the universe (techxplore.com)

The Wave Engineering for eXtreme and Intelligent maTErials (We-Xite) lab, led by engineering assistant professor Osama R. Bilal, has developed a reconfigurable metamaterial that can control sound waves—bending them, dampening them, or focusing them—while encoding real-time tuning with almost infinite possible shapes.

2025-11-25 22:34:39 +0100
HER2-targeted therapy shows promising results in rare bile duct cancers (medicalxpress.com)

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.

2025-11-25 22:21:02 +0100
New receiver frontend system achieves 108 Gb/s data rate using PAM-8 signals (techxplore.com)

High-voltage, higher-order PAM-8 signals are essential to achieve data rates beyond 100 Gb/s, requiring highly linear receivers to maintain excellent signal-to-noise ratios.

2025-11-25 20:41:24 +0100
Student maps where cyclists really go—and why it matters for city planning (techxplore.com)

A study co-authored by UBC Okanagan Associate Professor Dr. Mahmudur Fatmi and doctoral student Bijoy Saha uses Okanagan travel-diary data to model destination choices across full bike "tours."

2025-11-25 20:36:20 +0100
From concrete to community: How synthetic data can make urban digital twins more humane (techxplore.com)

When city leaders talk about making a town "smart," they're usually talking about urban digital twins. These are essentially high-tech, 3D computer models of cities. They are filled with data about buildings, roads and utilities. Built using precision tools like cameras and LiDAR—light detection and ranging—scanners, these twins are great at showing what a city looks like physically.

2025-11-25 19:01:30 +0100
Fish-friendly innovation could turn river barriers into green power stations (techxplore.com)

Researchers from Trinity and UCD have designed and road- or "river"-tested a new barrier modification system that enables fish to travel up and downstream while simultaneously generating green energy for local consumption.

2025-11-25 18:34:35 +0100
Stretchable battery uses natural acids and gelatin for greener wearables (techxplore.com)

Researchers with McGill's Trottier Institute for Sustainability in Engineering and Design have developed a stretchable, eco-friendly battery suitable for use in wearable and implantable devices. The battery, which uses citric or lactic acid and gelatin to achieve flexibility and performance without relying on toxic materials, stands to reduce electronic waste.

2025-11-25 17:55:27 +0100
The avatar in a wheelchair: A call for more diversity in the Metaverse (techxplore.com)

A study by the University of Stuttgart, the California State University at Fullerton, and the Max Planck Institute for Intelligent Systems has found that there are benefits to representing one's real-life disability through an avatar in virtual reality.

2025-11-25 17:26:23 +0100
Uncovering hidden losses in solar cells: New analysis method reveals the nature of defects (techxplore.com)

A joint research team has successfully identified, for the first time, the specific types of defects responsible for efficiency loss in silicon heterojunction (SHJ) solar cells.

2025-11-25 16:01:41 +0100
New transmission towers are crucial for renewables—but contentious: Here's where they could go (techxplore.com)

Solar and wind now provide 99% of new generating capacity in Australia. Renewables supply more than 40% of power to the main grid.

2025-11-25 15:52:25 +0100
The world's most efficient solar cell: Chinese researchers explain how they designed and built it (techxplore.com)

Earlier in 2025, Chinese solar manufacturer Longi announced it had built the world's most efficient solar cell. The hybrid interdigitated back-contact (HIBC) cell achieved 27.81% efficiency, which was verified by Germany's Institute for Solar Energy Research Hamelin (ISFH).

2025-11-25 15:21:09 +0100
Rare mineral by-products offer sustainable boost to concrete innovation (techxplore.com)

Flinders University researchers are turning mining waste into a powerful tool for sustainable construction—proving that superior construction materials can be developed from unlikely sources.

2025-11-25 14:56:32 +0100
Soft robots harvest ambient heat for self-sustained motion (techxplore.com)

A warm hand is enough to drive motion in tiny Salmonella-inspired robots that harness molecular-level dynamic bonding.

2025-11-25 12:50:01 +0100
Trump launches 'Genesis Mission' to speed AI-driven research (techxplore.com)

President Donald Trump signed an executive order Monday establishing the "Genesis Mission," a national initiative to harness AI for scientific breakthroughs, comparing its scope to the Manhattan Project that produced the atomic bomb during World War II.