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Medicine10 Mar 2025

Do firefighters face a higher brain cancer risk associated with gene mutations caused by chemical exposure?

Gene mutations caused by exposure to certain chemical compounds have been linked to the development of gliomas, the most common type of malignant brain tumor. New research reveals that among patients with gliomas, these mutations are more common in firefighters than in individuals with other occupations. The findings are published by Wiley online in CANCER, a peer-reviewed journal of the American Cancer Society. The gene mutations of interest in this study make up a mutational pattern or “signature” that other investigators previously associated with exposure to haloalkanes, which ...

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Science10 Mar 2025

Less than half of parents think they have accurate information about bird flu

With soaring egg prices and ongoing bird flu headlines, many parents are uncertain about the risks and facts surrounding the virus, a national poll suggests. Most parents say they don’t know if there have been cases of bird flu in their state, and less than half feel that they are able to find accurate and current information about it, according to the University of Michigan Health C.S. Mott Children’s Hospital National Poll on Children’s health. “Many parents may hear about bird flu in the news but don’t feel well-informed or know if they should be taking action to protect their families,” said Mott Poll Co-Director Sarah Clark, M.P.H. “This ...

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Environment10 Mar 2025

Common approaches for assessing business impact on biodiversity are powerful, but often insufficient for strategy design

A University of Oxford study has determined that the widely used tools available to businesses for assessing their biodiversity impacts depend on broad assumptions and can have large uncertainties that are poorly understood or communicated. If used appropriately, they can be powerful tools to help guide effective action to address biodiversity loss – but if not, they can lead to misguided effort and can be insufficient for robust biodiversity strategy design. Businesses across a range of industries and sectors are under growing pressure to develop biodiversity strategies that not only minimise their negative impacts but ...

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Science10 Mar 2025

Can a joke make science more trustworthy?

Politicians learned this lesson a long time ago: a well-placed joke is a valuable tool for capturing public attention and building trust. Scientists, however, are much more reluctant to use humor when engaging in science communication. They may fear that a lighthearted approach could make them seem less authoritative and, consequently, make scientific findings appear less credible. The good news, however, is that science itself seems to contradict this assumption. A new study led by Alexandra Lynn Frank, a ...

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Science10 Mar 2025

Hiring strategies

Krapivsky drew inspiration from the famous “secretary problem” or “optimal marriage problem”. In one of its many versions, a princess must choose her future husband from a pool of 100 candidates at a grand reception. However, strict rules apply: she may meet only one suitor at a time and has limited time to get to know him. At the end of each encounter, she must decide immediately whether to accept or reject the suitor. She cannot revisit previous candidates, nor can she ask any of them to wait while she considers others. How can the princess hope to make the best choice? The secret lies in a number: 37, to be precise (raise your hand if you ...

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Environment10 Mar 2025

Growing consumption of the American eel may lead to it being critically endangered like its European counterpart

High demand for eel combined with decline in stock have resulted in soaring prices for this food item, which in many cultures, is considered a delicacy. This has fuelled a concern globally as the prized food item is now being illegally traded from Europe to Asia. Current research has focused on the critically endangered Anguilla anguilla, commonly known as the European eel. While its export outside the European Union is tightly regulated, large quantities of A. anguilla juveniles continue to be smuggled ...

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Technology10 Mar 2025

KIST develops high-performance sensor based on two-dimensional semiconductor

Next-generation imaging technology is rapidly expanding beyond smartphones into intelligent devices, robotics, extended reality (XR) devices, healthcare, CCTV, and various other industries. At the core of these technological advances are highly efficient, ultra-compact image sensors that convert light signals into electrical signals. Image sensors capture and process visual information from objects and environments, enabling precise reconstruction of their shape, size, and spatial position. Currently, commercial image sensors are primarily based on silicon semiconductors. ...

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Medicine10 Mar 2025

New study links sleep debt and night shifts to increased infection risk among nurses

A new study examining the effects of sleep patterns and shift work on the immune system has found that sleep debt and night shifts increase the risk of several common infections in nurses. Modern society relies on shift work, which requires employees to work outside of traditional hours. While essential in sectors such as healthcare, growing evidence suggests that these work patterns may negatively impact worker’s health. This study, which analysed self-reported data from 1,335 Norwegian nurses, found that shift work – particularly night shifts – was associated with a higher risk of several infections, including the ...

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Science9 Mar 2025

Megalodon’s body size and form uncover why certain aquatic vertebrates can achieve gigantism

CHICAGO — A new scientific study provides many new insights into the biology of the prehistoric gigantic shark, Megalodon or megatooth shark, which lived nearly worldwide 15-3.6 million years ago. Paleobiology professor Kenshu Shimada of DePaul University led the study along with 28 other shark, fossil, and vertebrate anatomy experts around the globe. Findings from the study will be published in the journal “Palaeontologia Electronica.” Formally called Otodus megalodon, it is primarily known only from its serrated teeth, vertebrae, ...

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Science9 Mar 2025

A longer, sleeker super predator: Megalodon’s true form

The megalodon has long been imagined as an enormous great white shark, but new research suggests that perception is all wrong. The study finds the prehistoric hunter had a much longer body—closer in shape to a lemon shark or even a large whale. The study team, which included researchers from University of California, Riverside and across the globe, used a novel approach to estimate the shark’s total body length, moving beyond traditional methods that rely primarily on tooth size. By examining megalodon’s vertebral column and comparing ...

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Medicine9 Mar 2025

Walking, moving more may lower risk of cardiovascular death for women with cancer history

Research Highlights: Increased physical activity including taking more daily steps was linked to a lower risk of death from cardiovascular disease among postmenopausal women with a history of cancer. The study found that engaging in one hour per day of moderate to vigorous physical activity reduced participants’ risk of death from any cause by 40% and risk of death from cardiovascular disease by 60%. Each additional 2,500 steps per day for a participant was associated with a 34% reduction in risk of death from cardiovascular disease. Note: The study featured in this news release is a research abstract. Abstracts presented ...

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Technology9 Mar 2025

Intracortical neural interfaces: Advancing technologies for freely moving animals

A recent study published in Engineering delves into the latest progress in intracortical neural interface technologies for freely moving animals. These interfaces, which establish a connection between the nervous system and external devices, have the potential to revolutionize neuroscience research and clinical medicine. The researchers, led by Xinxia Cai, Zhaojie Xu and Yirong Wu, analyzed four key technological directions for ideal implantable neural interface devices: higher spatial density, improved biocompatibility, enhanced multimodal detection of electrical/neurotransmitter signals, and more effective neural modulation. In terms of high spatial density, microelectrode ...

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Technology8 Mar 2025

Post-LLM era: New horizons for AI with knowledge, collaboration, and co-evolution

A recent paper published in the journal Engineering delves into the future of artificial intelligence (AI) beyond large language models (LLMs). LLMs have made remarkable progress in multimodal tasks, yet they face limitations such as outdated information, hallucinations, inefficiency, and a lack of interpretability. To address these issues, researchers explore three key directions: knowledge empowerment, model collaboration, and model co-evolution. Knowledge empowerment aims to integrate external knowledge into LLMs. This can be achieved through various methods, including integrating knowledge ...

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Science8 Mar 2025

“Sloshing” from celestial collisions solves mystery of how galactic clusters stay hot

Tokyo, Japan – The XRISM collaboration have discovered flows of hot gas in the core of the Centaurus Cluster. By comparing state-of-the-art X-ray measurements from the XRISM satellite with numerical simulations, they showed this is evidence for collisions between galaxy clusters, causing gas inside to “slosh”. This solves the longstanding mystery of how cluster cores stay hot, and sheds light on how our universe continues to evolve. Astronomers have long envisioned how vast gravitational forces ...

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Science8 Mar 2025

Children poisoned by the synthetic opioid, fentanyl, has risen in the U.S. – eight years of national data shows

Incidents of children in the U.S. being poisoned by the synthetic opioid fentanyl “increased and became more severe”, a new study reveals. Launched today as Congress continues to review the HALT Fentanyl Act, the research follows an analysis of nonfatal fentanyl pediatric (aged 0-19) exposures reported to poison centers in 49 U.S. states from 2015 through to 2023. In total, some 3,009 cases were detailed across the eight-year period. In 2023 alone, 44.6% were life-threatening incidents in which there was extreme harm ...

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Technology8 Mar 2025

USC researchers observe mice may have a form of first aid

Humans may not be the only ones who aid their friends when they’re hurt. Mice may do it, too, as shown by a new research study led by scientists at the Keck School of Medicine of USC published recently in Science. Scientists have been trying to understand why social mammals appear to help injured members of their species. There are numerous factors that determine empathetic behavior and social bonding in mammals, said Li Zhang, the principal investigator of the study and professor of physiology and neuroscience ...

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Technology7 Mar 2025

VUMC to develop AI technology for therapeutic antibody discovery

An ambitious project led by Vanderbilt University Medical Center investigators aims to use artificial intelligence technologies to generate antibody therapies against any antigen target of interest. VUMC has been awarded up to $30 million from the Advanced Research Projects Agency for Health (ARPA-H) to build a massive antibody-antigen atlas, develop AI-based algorithms to engineer antigen-specific antibodies, and apply the AI technology to identify and develop potential therapeutic antibodies. ARPA-H is an ...

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Medicine7 Mar 2025

Unlocking the hidden proteome: The role of coding circular RNA in cancer

A new review article highlights the transformative role of circular RNA (circRNA) in cancer, revealing its potential as both a key player in tumor biology and a promising avenue for future therapies. Once thought to be noncoding RNA, circRNA has now been shown to encode functional proteins, challenging conventional RNA biology and opening up novel therapeutic possibilities. Unlike traditional messenger RNA, circRNAs form a continuous loop, lacking the typical 5' cap and 3' tail. This unique structure was originally believed to preclude them from protein translation. However, recent discoveries demonstrate that specific internal ribosome entry sites (IRES) and N6-methyladenosine ...

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Medicine7 Mar 2025

Advancing lung cancer treatment: Understanding the differences between LUAD and LUSC

Lung cancer remains one of the leading causes of cancer-related mortality, with lung adenocarcinoma (LUAD) and lung squamous cell carcinoma (LUSC) representing the most prevalent subtypes of non-small cell lung cancer (NSCLC). Despite their classification under the same umbrella, these two forms of lung cancer exhibit distinct genetic landscapes, therapeutic targets, and treatment responses. Recent advancements in next-generation gene sequencing have identified key driver genes that differentiate LUAD and LUSC, influencing their respective clinical management approaches. LUAD is frequently associated ...

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Medicine7 Mar 2025

Study reveals widening heart disease disparities in the US

A study published March 6 in The Lancet Regional Health — Americas highlights a growing divide in cardiovascular health in the U.S., showing that wealth and education play a significant role in heart disease risk. The research, led by Salma Abdalla, MBBS, DrPH, an assistant professor of public health at Washington University in St. Louis, reveals that the top 20% of high-income, college-educated Americans have far lower rates of cardiovascular disease than the rest of the population — disparities ...

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Medicine7 Mar 2025

The role of ubiquitination in cancer stem cell regulation

This review highlights the critical role of ubiquitination in governing the functionality of cancer stem cells (CSCs), shedding light on potential therapeutic targets for combating tumor progression, recurrence, and drug resistance. Published in Genes & Diseases, this article explores the intricate mechanisms through which the ubiquitin (Ub) system regulates key pathways essential for CSC maintenance and survival. Ubiquitination, a fundamental post-translational modification, plays a pivotal role in protein stability, cellular signaling, and gene expression, particularly in the context of CSCs. Dysregulation ...

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Medicine7 Mar 2025

New insights into LSD1: a key regulator in disease pathogenesis

A new review highlights the pivotal role of LSD1 (lysine-specific demethylase 1) in regulating critical cellular processes and its implications for human diseases. This article sheds light on how post-translational modifications (PTMs) influence LSD1 activity, impacting its function in gene regulation and disease progression. LSD1 is a histone demethylase that plays a significant role in chromatin remodeling and gene expression by modifying histone H3 lysine residues. It interacts with various protein complexes, allowing it to serve as both a transcriptional activator and repressor. The intricate modifications ...

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Medicine7 Mar 2025

Vanderbilt lung transplant establishes new record

Surgeons and teams with Vanderbilt Lung Transplant performed 99 lung transplants in 2024, the most ever in one year. Two of the procedures involved combined organ transplants. For the second calendar year in a row, Vanderbilt Lung Transplant has the busiest program in the Southeast and leads the nation in innovation in organ preservation and regeneration. The Vanderbilt Transplant Center is now home to the nation’s eighth largest lung transplant program by volume, and is among the best in long-term outcomes, demonstrating the ...

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Medicine7 Mar 2025

Revolutionizing cancer treatment: targeting EZH2 for a new era of precision medicine

The critical role of EZH2, an essential epigenetic regulator, in cancer progression and treatment is underscored in this new review article published in Genes & Diseases. The study highlights the transformative potential of EZH2 inhibition, paving the way for a new generation of targeted therapies aimed at disrupting tumor growth and overcoming treatment resistance. EZH2, a core component of the Polycomb Repressive Complex 2 (PRC2), plays a fundamental role in silencing tumor suppressor genes through histone methylation. Its overexpression has been ...

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Technology7 Mar 2025

Metasurface technology offers a compact way to generate multiphoton entanglement

Quantum information processing is a field that relies on the entanglement of multiple photons to process vast amounts of information. However, creating multiphoton entanglement is a challenging task. Traditional methods either use quantum nonlinear optical processes, which are inefficient for large numbers of photons, or linear beam-splitting and quantum interference, which require complex setups prone to issues like loss and crosstalk. A team of researchers from Peking University, Southern University of Science and Technology, and the University of Science and Technology of China recently made ...

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