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Medicine20 Nov 2025

University of Minnesota chemists pioneer new method for future drug and agrochemical discovery

MINNEAPOLIS / ST. PAUL (11/20/2025) — A team of organic and computational chemists at the University of Minnesota Twin Cities have created a new, modern tool to make the process of creating pharmaceuticals and agrochemicals faster, cost-effective, and energy-efficient. The research, recently published in Nature, details a new method for creating the essential starting materials, known as precursors, used in chemical reactions. A patent is pending for this technique. Chemists use what are called “aryne intermediates” as building blocks to make complex molecules more efficiently in areas such as pharmaceuticals ...

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Science20 Nov 2025

Will my kid be a pro athlete? Study finds what parents think

COLUMBUS, Ohio – Many children grow up dreaming – or maybe even expecting – that they will become a star in football, basketball or whatever their favorite sport may be. Most parents have more realistic expectations of their children’s future athletic achievement, a new study finds. But a substantial minority believe their kids will beat the odds and become collegiate, pro or even Olympic athletes. In a survey of 785 American parents, 34% thought it was somewhat or very likely that their child would become a small-college athlete, 27% thought it was likely they would become a college scholarship athlete, and 17% thought it was somewhat ...

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Science20 Nov 2025

23andMe Research Institute helps reconnect African diaspora to their roots with release of 250+ high-resolution African Genetic Groups

PALO ALTO, Calif. - November 20, 2025 - For millions of Americans in the African diaspora, genealogical ties and records were severed by the transatlantic slave trade, creating a "brick wall" for those seeking to know their full heritage. Today, 23andMe Research Institute announced a landmark expansion of its genetic ancestry reports and features, unveiling more than 250 high-resolution Genetic Groups across Africa. This significant update provides members with African heritage the most detailed and scientifically ...

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Science20 Nov 2025

Isotope-based method for detecting unknown selenium compounds

Although present in very small amounts, selenium (Se)-based compounds play important roles in protecting the body from oxidative stress, regulating thyroid hormones, strengthening the immune system, and even detoxifying heavy metals. As we begin to understand more about the biological functions of Se, the need to detect and identify Se-containing compounds has become increasingly important. Researchers from Chiba University, Japan, have developed a new method that selectively detects Se compounds, addressing a long-standing challenge in the identification of unknown Se-containing compounds. Using a previously unexplored approach, the researchers discovered novel Se-containing molecules in ...

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Medicine20 Nov 2025

Daily oral GLP-1 pill exhibits promising results in treatment options for adults with diabetes and obesity in trial led by UTHealth Houston researcher

A new oral GLP-1 medication can help adults with obesity and Type 2 diabetes lose more weight and improve their blood sugar levels compared to a placebo, according to findings from the ATTAIN-2 trial led by a UTHealth Houston researcher. Obesity is a chronic health condition that can cause serious complications such as Type 2 diabetes, heart disease, high blood pressure, sleep apnea, certain cancers, and more. Current GLP-1 treatments for obesity consist of daily or weekly injectable medications that come with drawbacks, including the need for cold chain ...

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Medicine20 Nov 2025

The road ahead: Why conserving the invisible 99% of life is fundamental to planetary health

A new paper outlines how scientists came together to put together the first microbial conservation roadmap under the leadership of Applied Microbiology International President, Professor Jack Gilbert. The article, ‘Safeguarding Microbial Biodiversity: Microbial Conservation Specialist Group (MCSG) within the Species Survival Commission of the International Union for Conservation of Nature (IUCN)' is published in Sustainable Microbiology, an AMI journal. In July 2025, IUCN formally launched the MCSG within its Species Survival Commission, co-chaired by Professor Gilbert and Raquel Peixoto (KAUST / ISME). This came out of a meeting ...

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Science20 Nov 2025

Dopamine signaling in fruit flies lends new insight into human motivation

Our brain’s reward system processes and reinforces pleasurable experiences, motivating us to seek out and engage in rewarding activities ranging from eating to social interactions to recreational drug use. Dopamine plays an important role in this process, mediated by the D2 dopamine receptor (D2R). New research published today in Nature Neuroscience finds that the same mechanism that causes drug addiction (desensitization of D2R) also controls the natural devaluation of repeated behaviors (e.g. seeking out the same thrill of going on a rollercoaster for the first time). This is the first natural use found for this mechanism. Researchers from ...

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Medicine20 Nov 2025

American Gastroenterological Association streamlines Crohn’s disease treatment guidance as new therapies expand options

Bethesda, MD (Nov. 17, 2025) — The American Gastroenterological Association (AGA) has released a comprehensively updated clinical guideline on the pharmacological management of moderate-to-severe Crohn’s disease. The new guideline uses cutting-edge network meta-analyses to recommend prescribing medications based on patients’ prior treatments for moderate-to-severe Crohn’s disease. The guideline organizes treatments by efficacy to simplify decision-making for gastroenterologists and over 3 million people worldwide living with Crohn’s disease. This living guideline reflects the rapid pace of innovation in medical ...

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Medicine20 Nov 2025

New ‘sensor’ lets researchers watch DNA repair in real time

Cancer research, drug safety testing and ageing biology may all gain a major boost from a new fluorescent sensor developed at Utrecht University. This new tool allows scientists to watch DNA damage and repair unfold in real time inside living cells. The development, which opens the door to experiments that weren’t feasible before, is published today in the journal Nature Communications. DNA inside our cells is constantly damaged by sunlight, chemicals, radiation or simply by the many processes that keep us alive. Usually, the cell fixes this damage quickly and efficiently. But when repair fails, the consequences can be serious, contributing ...

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Medicine20 Nov 2025

Customized cells to fight brain cancer

With a five-year survival rate of less than 5%, glioblastoma is one of the most aggressive types of brain cancer. Until now, all available treatments, including immunotherapy — which involves strengthening the immune system to fight cancer— have proved disappointing. CAR-T cells are genetically modified immune cells manufactured in the laboratory and designed to identify and destroy cancer cells. By targeting a protein present in the tumour environment, a team from the University of Geneva (UNIGE) and ...

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Physics20 Nov 2025

How superstorm Gannon squeezed Earth’s plasmasphere to one-fifth its size

A geomagnetic superstorm is an extreme space weather event that occurs when the Sun releases massive amounts of energy and charged particles toward Earth. These storms are rare, occurring about once every 20-25 years. On May 10-11, 2024, the strongest superstorm in over 20 years, known as the Gannon storm or Mother’s Day storm, struck Earth. A study led by Dr. Atsuki Shinbori from Nagoya University's Institute for Space-Earth Environmental Research has captured direct measurements of this extreme event and provided the ...

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Medicine20 Nov 2025

Gene scissors in camouflage mode help in the search for cancer therapies

The immune system plays a crucial role in fighting tumours and metastases. Consequently, it is decisive to conduct cancer research in mouse models with an immune system that is as natural as possible – which is easier said than done. Thanks to CRISPR/Cas9 technology, researchers can quickly create a pool of hundreds of tumour cells, each with a different gene switched off. When transplanted into mice, it becomes apparent which of these silenced genes influences the development and spread of cancer. Assisted by such CRISPR screens, scientists are able to identify valuable approaches for the development of new therapies. But the method comes with a catch. The components of ...

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Medicine20 Nov 2025

Breaking the cycle of vulnerability: study identifies modifiable elements to build community resilience and improve health

November 20, 2025 - A novel study empirically linking a standardized measure of community resilience in more than 3,100 U.S. counties to cognitive, mental, and physical health outcomes shows that counties with fewer healthcare resources, limited digital tools, and weaker support systems exhibit poorer overall health among their residents. The article appearing in the American Journal of Preventive Medicine, published by Elsevier, indicates that resilience can be measured, strengthened, and designed into our systems of care using modifiable tools like healthcare access, support networks, and technology. Resilience ...

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Science20 Nov 2025

Millions of people in the UK are being drawn into bribery and money laundering, according to new study

Bribery and money laundering are far more common among the public than many assume, with millions of people in the UK approached to take part in these activities in the past year, according to a new report co-authored by a researcher from the University of Surrey on behalf of the International Society of Economic Criminology (ISEC). The report found that 16% of UK adults had been asked for a bribe in the last 12 months and 11% (5.8 million UK adults per year) had been asked to help move money that ...

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Science20 Nov 2025

Could a child have painted that? Jackson Pollock's famous pour-painting has child-like characteristics, study shows

What makes art art? Is it the method or the creator? Does it need a color palette and oil paints, or a canvas laid flat on the floor and paint splattered across it? Does it require a critically acclaimed painter, or a toddler with crayons? And when it comes to the artist, can we even reliably tell if an artwork has been created by children or adults? In a new Frontiers in Physics study, researchers in the US put it to the test. “Our study shows that the artistic patterns generated by children are distinguishable from those created by adults ...

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Science20 Nov 2025

Broad support for lethal control of wild deer among nature organisation subscribers

Embargo: 20th November 2025 at 05:01 UK time Broad support for lethal control of wild deer among nature organisation subscribers There is broad support for regulated lethal control of wild deer to reduce their numbers and impacts among subscribers of nature organisations in England and Wales, a new study has found. According to research led by Bangor University and published in People and Nature, it was the most supported and widely used deer management practice. The authors of the study believe that the findings might help nature organisations and decision makers feel more confident about recommending its use. Researchers ...

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Science20 Nov 2025

Over a decade in the making: Illuminating new possibilities with lanthanide nanocrystals

In a discovery shaped by more than a decade of steady, incremental effort rather than a dramatic breakthrough, scientists from the National University of Singapore (NUS) and their collaborators demonstrated that great ideas flourish when paired with patience. Flashback to 2011: a small group of young researchers gathered around an aging optical bench at the NUS Department of Chemistry, watching a faint, flickering glow on a screen. Their goal seemed deceptively simple: make an insulating crystal emit light when electricity flowed through it. The challenge, however, was nearly impossible. Lanthanide nanocrystals, known for their chemical stability and ...

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Science20 Nov 2025

Deadly, record-breaking heatwaves will persist for 1,000 years, even under net zero

Deadly hotter and longer heatwaves, which worsen in severity the longer it takes to reach net zero carbon emissions, will become the norm predicts new climate research. Published in Environmental Research: Climate, researchers at the ARC Centre of Excellence for 21st Century Weather and CSIRO used climate modelling and supercomputers to understand how heatwaves will respond over the next 1,000 years, after the world reaches net zero carbon emissions. They chose a range of dates between 2030 and 2060 and calculated the long-term difference in heatwaves for each ...

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Social Science20 Nov 2025

Maps created by 1960s schoolchildren provide new insights into habitat losses

A new study of 1960s maps, many of which were created by young people, has provided important fresh evidence of the timing and extent of habitat losses caused by agricultural intensification and urban growth in England and Wales. Prior to the analysis by the UK Centre for Ecology & Hydrology (UKCEH), there were gaps in understanding about how our landscape gradually changed in the intervening years between the 1930s and 1990. The 1960s survey involved 3,000 volunteers – many of them schoolchildren and students – marking maps with different colours and shadings, corresponding to a type of land cover such ...

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Science20 Nov 2025

Cool comfort: beating the heat with high-tech clothes

As global temperatures rise and heatwaves intensify, a new textile innovation co-developed by University of South Australia scientists promises to keep people cooler, drier, and more comfortable in extreme heat. Partnering with researchers from Zhengzhou University in China, UniSA materials scientist Professor Jun Ma has helped to create a lightweight breathable fabric that reflects 96% of the sun’s rays in outdoor conditions. The moisture-wicking composite fabric is described in the journal Nano Research. In outdoor field tests, the new textile lowered skin temperature by 2 degrees celsius under direct sunlight ...

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Environment20 Nov 2025

New study reveals how China can cut nitrogen pollution while safeguarding national food security

A new study published in Nitrogen Cycling presents the most comprehensive assessment to date of how China can reduce nationwide nitrogen pollution while continuing to meet the rising food demands of its population. The research analyzes nearly six decades of data and concludes that smarter nitrogen management could reduce fertilizer use by more than one third, significantly improving air and water quality without compromising crop yields. Nitrogen fertilizers have played a central role in feeding China since the 1960s, supporting ...

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Science20 Nov 2025

Two thirds of women experience too much or too little weight gain in pregnancy

Around two-thirds (68%) of pregnancies have weight gain that is more or less than recommended and that is associated with complications such as preterm birth, large birth weight, and admission to intensive care, finds a review of data from 1.6 million women published by The BMJ today. These findings reinforce the need for international standards for healthy GWG alongside lifestyle support and public health measures to improve outcomes for mothers and babies worldwide, say lead researchers Helene Teede and Rebecca Godstein. Gaining too much or too ...

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Social Science20 Nov 2025

Thousands of NHS doctors trapped in insecure “gig economy” contracts

Thousands of locally employed doctors (LEDs) - many of them international graduates and from ethnic minority backgrounds - are trapped on insecure NHS contracts with no access to training, career progression, or national safeguards, reveals an investigation published by The BMJ today. LEDs are the fastest growing group of doctors in the UK, driven mostly by those who graduated outside the UK. From 2019 to 2023, the number of LEDs in England and Wales rocketed by 75% to 36,831 doctors. Freedom of Information (FoI) data obtained by The BMJ show that almost nine in 10 UK acute trusts use local contracts - some dating back as far as 2002 without ...

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Science20 Nov 2025

Two thirds of women gain too much or too little weight in pregnancy: Global study

Key points Higher and lower than recommended gestational weight gain is associated with increased pregnancy complications Support is needed to improve health for women across the globe Findings may help inform global standards for healthy weight gain in pregnancy Around two-thirds of pregnancies have weight gain that is more or less than recommended and is associated with complications such as preterm birth, large birth weight, and admission to intensive care. The findings are part of a Monash University-led systematic review of data from 1.6 million women, published by The BMJ. Gaining too much or too little weight during pregnancy, known as gestational ...

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Medicine20 Nov 2025

Livestock manure linked to the rapid spread of hidden antibiotic resistance threats in farmland soils

Large-scale livestock farming is accelerating the spread of antibiotic resistance and heavy metal contamination in agricultural soils at a pace and scale that poses new risks to global food safety and public health, new research reveals. Scientists have uncovered how even “low-risk” organic fertilizers like dried poultry manure can inadvertently drive a dramatic surge in dangerous antibiotic resistance genes, once released into vegetable plots used for food crops. The peer-reviewed study, published this week in Biocontaminant, focused on ...

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