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Beneath 300 kilometers: Natural evidence for nickel-rich alloys in the mantle

2025-09-22
Diamonds from South Africa’s Voorspoed mine have revealed the first natural evidence of nickel-rich metallic alloys forming deep in Earth’s mantle, between 280–470 km. A new study reveals that these inclusions coexist with nickel-rich carbonates, capturing a rare snapshot of a “redox-freezing” reaction whereby oxidized melts infiltrate reduced mantle rock. The growing diamond trapped both reactants and products of a diamond-forming reaction. This finding not only confirms long-standing predictions about mantle redox conditions but also highlights how such ...

New tool makes generative AI models more likely to create breakthrough materials

2025-09-22
The artificial intelligence models that turn text into images are also useful for generating new materials. Over the last few years, generative materials models from companies like Google, Microsoft, and Meta have drawn on their training data to help researchers design tens of millions of new materials. But when it comes to designing materials with exotic quantum properties like superconductivity or unique magnetic states, those models struggle. That’s too bad, because humans could use the help. For example, after a decade of research into a class of materials that could revolutionize quantum computing, called quantum spin liquids, only a dozen material candidates have ...

Psychological distress common after a heart attack, may lead to future heart conditions

2025-09-22
Statement Highlights: An estimated 33-50% of heart attack survivors may experience some form of psychological distress, including depression, anxiety, psychosocial stress or post-traumatic stress disorder (PTSD), which can affect physical recovery and long-term health. People with persistent psychological distress lasting up to 12 months after a heart attack are nearly 1.5 times more likely to have a future cardiac event. More research is needed to confirm a direct cause-and-effect relationship between the conditions. Recognizing ...

Study shows UV light can disable airborne allergens within 30 minutes

2025-09-22
Cats. Dust mites. Mold. Trees. For people with allergies, even a brief whiff of the airborne allergens these organisms produce can lead to swollen eyes, itchy skin and impaired breathing. Such allergens can persist indoors for months after the original source is gone, and repeated exposure can exacerbate, and even lead to, asthma. What if you could just flip a switch and disable them? You can, according to new University of Colorado Boulder research. “We have found that we can use a passive, generally safe ultraviolet light treatment to quickly inactivate airborne allergens,” said ...

Snapdragon secrets

2025-09-22
Every season, scientists from the Institute of Science and Technology Austria (ISTA) go on field trips to the Pyrenees. Their mission: gather snapdragon flowers to understand their genetic makeup. In a recently published study in Molecular Ecology, they show how nature uses color genes to keep two varieties of snapdragons distinct, even when they share the same habitat.  On the border between France and Spain lies a mountain range that spans from the Bay of Biscay to the Mediterranean Sea. The lush valleys and high peaks attract many tourists to the Pyrenees, ...

What are the recent trends in opioid prescribing for patients with cancer?

2025-09-22
A recent analysis reveals a modest decline from 2016 to 2020 in new and additional opioid prescriptions for patients with cancer. Among those patients with metastatic cancer, prescribing remained stable for those reporting any pain and declined steeply for those reporting no pain. The findings are published by Wiley online in CANCER, a peer-reviewed journal of the American Cancer Society. In response to the opioid crisis, public health efforts have sought to enact policies and regulations to reduce inappropriate opioid prescribing and prevent unsafe opioid use, including adverse outcomes such as opioid use disorder and opioid ...

Science journalists as brokers of trust

2025-09-22
“Trust in science is collapsing”—that’s the alarm we often hear. It’s not surprising, then, that recent years have seen major efforts to study the phenomenon and its dynamics in the general population. Far less attention, however, has been paid to the information professionals—journalists—who play a crucial bridging role between the world of scientific research and the public. A new paper in the Journal of Science Communication (JCOM) by a research group at the Institute for Technology Assessment and Systems Analysis (ITAS) of the Karlsruhe Institute of ...

Urgent awareness gap: 1 in 3 Europeans unfamiliar with cystitis, half unaware women are most at risk

2025-09-22
Arnhem, 22 September 2025 – A new international study has uncovered a concerning lack of public understanding about cystitis and urinary tract infections (UTIs) –  common health issues that disproportionately affect women. The findings, which also highlight widespread misconceptions about prevention and treatment, underscore the urgent need for education to combat rising antibiotic resistance. In a survey of over 3,000 adults across France, Germany, Italy, Spain, and the UK, 35% of respondents could not correctly define ...

Virtual care expansion did not expand specialist access in rural areas

2025-09-22
Despite the expansion of virtual care in Ontario prompted by the COVID-19 pandemic, specialist physicians did not expand reach to patients living at great distances from where they provided care, found new research published in CMAJ (Canadian Medical Association Journal). https://www.cmaj.ca/lookup/doi/10.1503/cmaj.250166 “We found that widespread availability of virtual care, accompanied by remuneration changes, was not associated with substantial expansion of specialists’ practices to serve patients who lived farther away,” writes Dr. Natasha Saunders, ...

Scientists call for urgent action to reduce children’s plastic exposure

2025-09-21
Childhood exposure to chemicals used to make plastic household items presents growing health risks that can extend long into adulthood, experts from NYU Langone Health report.   This is the main conclusion after a review of hundreds of the latest studies on the topic, publishing online Sept. 21 in the journal The Lancet Child & Adolescent Health. The article is being released to coincide with a gathering of experts the same week in New York City to discuss the global impact of plastics on human health. In their report, the authors outline decades of evidence that substances often added to industrial and household goods ...

Our actions are dictated by “autopilot”, not choice, finds new study

2025-09-21
Habit, not conscious choice, drives most of our actions, according to new research from the University of Surrey, University of South Carolina and Central Queensland University.  The research, published in Psychology & Health, found that two-thirds of our daily behaviours are initiated “on autopilot”, out of habit.   Habits are actions that we are automatically prompted to do when we encounter everyday settings, due to associations that we have learned between those settings and our usual responses to them.  The research also found that 46% of behaviours were both triggered by habit and aligned with ...

Cardboard and earth reshape sustainable construction

2025-09-21
Engineers in Australia have developed a new building material with about one quarter of concrete’s carbon footprint, while reducing waste going to landfill. This innovative material, called cardboard-confined rammed earth, is composed entirely of cardboard, water and soil – making it reusable and recyclable. In Australia alone, more than 2.2 million tons of cardboard and paper are sent to landfill each year. Meanwhile, cement and concrete production account for about 8% of annual global emissions. Cardboard has previously been used in temporary structures and disaster shelters, such as Shigeru Ban’s iconic Cardboard Cathedral in Christchurch, New Zealand. Inspired ...

New biochar breakthrough offers hope for cleaner, safer farmland soils

2025-09-19
Agricultural soils across the world are increasingly polluted by heavy metals such as cadmium, lead, chromium, and arsenic. These toxic elements, often introduced through industrial wastewater, fertilizers, and manure, can accumulate in crops and threaten human health through the food chain. Long-term exposure is linked to kidney damage, osteoporosis, and even cancer. Protecting soil health and food safety has therefore become an urgent global challenge. In a new study published in Agricultural ...

The future of obesity management – quintuple and other super polyagonists for weight loss and maintenance?

2025-09-19
Much excitement has built in recent years on the new class of incretin drugs that include glucagon-like-peptide-1 inhibitor (single agonists such as semaglutide) and also dual glucose-dependent insulinotropic polypeptide (GIP) and GLP-1 receptor agonists (dual agonists such tirzepatide). Billions of dollars is now being poured into research to develop new anti-obesity medications that exhibit stronger effects while minimising side-effect profiles. But the excitement is not just limited to existing mono- and dual-agonists. In a session at this year’s Annual Meeting of the European Association for the Study of Diabetes ...

$3.6M NIH grant to study brain patterns in children with ADHD, behavior problems

2025-09-19
HERSHEY, Pa. — Approximately 7 million children in the United States between the ages of three and 17 have been diagnosed with attention deficit hyperactivity disorder (ADHD), according to the Centers For Disease Control and Prevention. Up to 50% of children with ADHD also have severe problems with impulsive aggression and persistent irritability, according to James Waxmonsky, professor of psychiatry and University Chair in Child Psychiatry at the Penn State College of Medicine. These children can experience intense and extended emotional ...

Heart and hope: Study shows promising quality of life for those with Down syndrome and congenital heart defects

2025-09-19
Adults with both Down Syndrome and congenital heart defects, also known as congenital heart disease (CHD), are showing remarkable resilience despite facing significant medical challenges, according to a new MUSC study in Pediatric Cardiology. The study found that adults ages 18 to 45 with both conditions are just as likely to work, volunteer and experience the same quality of life as those with Down Syndrome alone.  The study was conducted through the Pediatric Heart Network, a consortium of leading children’s hospitals that includes ...

Community Notes help reduce the virality of false information on X, study finds

2025-09-19
In 2022, after Elon Musk bought what’s now X, the company laid off 80% of its content moderation team and made Community Notes the platform’s main form of fact-checking. Previously a pilot program at Twitter, Community Notes lets users propose attaching a comment to a specific post — usually to add context or correct an inaccurate fact. If other users with diverse views vote that the comment is useful, as measured by X’s algorithm, then the note is appended to the post. Other social media platforms, including Meta and YouTube, have since followed.  A University of Washington-led study of X found that posts with Community Notes attached were less prone ...

U of A and UNM win joint $43.6M NIH award to help turn clinical research into practical medicine

2025-09-19
TUCSON, Ariz. — The University of Arizona and the University of New Mexico received a seven-year, $43.6 million federal grant to fund a broad range of research programs aimed at improving the health of people living in Arizona and New Mexico, while also training a new generation of scientists and staff.  The Clinical and Translational Science Award from the National Center for Advancing Translational Sciences will fund the new Southwest Center for Advancing Clinical and Translational Innovation, or SW CACTI. The National Institutes of Health CTSA consortium includes 61 of the leading academic research centers in the country. ...

Peace talks between Türkiye and the PKK offer a historic opportunity for environmental restoration

2025-09-19
Richmond Hill, Canada, 19 September 2025 - For nearly half a century, the conflict between Türkiye and the Kurdistan Workers’ Party (PKK) has not only killed tens of thousands of people but also caused deforestation, pollution, and land degradation in the region. The recent call by the incarcerated PKK leader Abdullah Öcalan for the group to disarm and dissolve offers a rare prospect for peace and order.  A new publication by the United Nations University Institute for Water, Environment ...

Bio-based PEF shows exceptional hydrogen barrier potential for high-pressure storage

2025-09-19
Ningbo / Qingdao, 18 September 2025 — A new computational study reveals that polyethylene furanoate (PEF) — a bio-based polyester — has markedly stronger resistance to hydrogen permeation than commonly used polyamide 6 (PA6) and polyethylene (PE). The work, published in AI & Materials, uses density functional theory (DFT), revised force-field molecular dynamics (MD), Grand Canonical Monte Carlo (GCMC), and nudged elastic band (NEB) calculations to quantify the crystallographic origins of PEF’s superior barrier performance, pointing ...

When metabolism provides more than fuel

2025-09-19
Pregnant women rely on a balanced diet and supplements to deliver proper nutrients to their babies, to ensure they grow healthfully. Such nutrients contribute to fueling development and providing cellular building blocks that lead to healthy brains, bones, organs, and immune systems. While this kind of nutritional preparation helps during pregnancy, EMBL scientists found that metabolism – the way cells break down food into energy –  during embryonic development does more than just provide energy and cellular building blocks for proper embryonic development. Metabolism has a surprising signalling element. And by modulating metabolism in a tailored fashion, they could ...

New research shows how plant roots bend and growth downward toward gravity

2025-09-19
Scientists have uncovered how the plant hormone auxin helps roots bend and downwards towards gravity – a process called gravitropism - even after encountering obstacles in soil.  Experts from the University of Nottingham’s School of Biosciences and Shanghai Jiao Tang University (SJTU), identified how auxin activates a specific gene, which strengthens cell walls on the lower side of the root. This reinforcement prevents growth below while allowing cells above to expand, making the root bend downward. The findings have been published today in Science Advances. Root ...

Alpha cells moonlight as secret GLP-1 factories

2025-09-19
A new study from Duke University School of Medicine is challenging long-standing views on blood sugar regulation — and pointing to a surprising new ally in the fight against type 2 diabetes. Published Sept. 19 in Science Advances, the research reveals that pancreatic alpha cells, once thought to only produce glucagon — a hormone that raises blood sugar to maintain energy when fasting or exercising — also generate GLP-1, a powerful hormone that boosts insulin and helps regulate glucose. GLP-1 is the same hormone mimicked by ...

Quantum chemistry: Making key simulation approach more accurate

2025-09-19
Graphic of electron properties around lithium hydride    A new trick for modeling molecules with quantum accuracy takes a step toward revealing the equation at the center of a popular simulation approach, which is used in fundamental chemistry and materials science studies.   The effort to understand materials and chemical reactions eats up roughly a third of national lab supercomputer time in the U.S. The gold standard for accuracy is the quantum many-body problem, which can tell you what's happening at the level of individual electrons. This is the key to chemical ...

Sandia team creates X-ray images of the future

2025-09-19
ALBUQUERQUE, N.M. — When German physicist Wilhelm Röntgen discovered X-rays in the late 1800s while experimenting with cathode ray tubes, it was a breakthrough that transformed science and medicine. So much so that the basic concept remains in use today. But a team of researchers at Sandia National Laboratories believes they’ve found a better way, harnessing different metals and the colors of light they emit. “It’s called colorized hyperspectral X-ray imaging with multi-metal targets, or CHXI MMT for short,” said project lead Edward Jimenez, an optical engineer. Jimenez has been working with materials scientist Noelle Collins and electronics ...
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