O Microsoft Build 2026 foi o palco escolhido pela tecnológica para o lançamento de novos modelos de IA próprios para reduzir a dependência da OpenAI, do novo chip quântico Majorana 2 e de uma plataforma de agentes que vai ao "coração" de como as organizações trabalham.

The post Microsoft aposta em novos modelos próprios, agentes que conhecem as empresas e no chip quântico Majorana 2 appeared first on Tek Notícias.

El caso comenzó con una inspección rutinaria tras un vuelo procedente de África. Ahora, los investigadores federales sostienen que los acusados transportaban muestras biológicas sin los permisos obligatorios exigidos por las autoridades sanitarias estadounidenses.

Carvana was granted a warrant to buy shares in Slate last year, according to documents obtained by TechCrunch. Guggenheim Partners CEO Mark Walter is heavily invested in both companies.

Linux gamer explodiu em 2026 com suporte massivo da Valve e Steam Deck, revolucionando jogos no sistema e atraindo nova legião de jogadores.

O post Linux gamer explodiu em 2026 e a culpa é da Valve apareceu primeiro em Blog do Edivaldo - Informações e Notícias sobre Linux.

Giving news websites the power to block their content from being used in AI summaries will have global ramifications

The UK’s competition watchdog has ordered Google to change how it uses publishers’ content in its AI-powered search results, in a move that will have global ramifications.

The Competition and Markets Authority (CMA) is using powers that allow it to set bespoke rules for major tech firms that it deems to have “strategic market status”. Google, the world’s largest search engine, is one of those companies.

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© Photograph: Bloomberg/Getty Images

© Photograph: Bloomberg/Getty Images

© Photograph: Bloomberg/Getty Images

Tesla announced today that its unsupervised “Robotaxi” service now covers the entire Austin metro area, a significant expansion of its geofenced operating zone.

It’s a notable milestone on paper, but the actual fleet serving this massive area remains tiny — just ~20 active unsupervised vehicles, according to the latest data, a number that has actually been shrinking.

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In an illuminating advancement for neonatal care, a recent study published in the Journal of Perinatology brings to light the critical impact of therapeutic hypothermia on mortality rates among infants born at 35 weeks gestation suffering from encephalopathy. This research, led by Aly, H., Eltaly, H., Mohamed, F.A., and colleagues, delves deep into therapeutic hypothermia’s role in altering in-hospital outcomes, offering crucial insights into the management of a vulnerable population often sidelined in traditional neonatal treatment protocols.

Neonatal encephalopathy, a complex syndrome characterized by disturbed neurological function in the earliest days of life, poses significant challenges in perinatal medicine. It can result from a myriad of insults including hypoxic-ischemic events, infections, and metabolic disturbances. Traditionally, infants born at or near term have been the primary focus for therapeutic hypothermia interventions. However, the study boldly extends this focus to late-preterm infants at 35 weeks gestation, a group that has historically been underrepresented in clinical trials.

Therapeutic hypothermia involves carefully lowering the infant’s core body temperature to mitigate the cascade of neurotoxic processes following brain injury. The treatment aims to reduce cerebral metabolic demand, attenuate excitotoxicity, and curb oxidative stress, ultimately aiming to preserve neural tissue and improve neurological outcomes. The translational application of this technique has revolutionized care for infants with hypoxic-ischemic encephalopathy (HIE), making this study paramount for expanding its utilization.

This new investigation systematically analyzed a sizeable cohort of neonates diagnosed with encephalopathy at 35 weeks gestation. By scrutinizing in-hospital mortality rates between infants subjected to therapeutic hypothermia versus conventional management, the researchers provide a compelling statistical foundation verifying the therapy’s efficacy and safety in this gestational bracket. This is particularly pivotal since late-preterm infants possess unique physiological states that complicate both pathophysiology and therapeutic interventions.

One of the most striking outcomes revealed by the data is a significant reduction in in-hospital mortality among infants treated with therapeutic hypothermia compared to those who were not. This underlines not only the therapy’s potential to save lives but also highlights a critical window for intervention within the neonatal intensive care continuum for this distinctive patient subset. These findings suggest a paradigm shift wherein therapeutic hypothermia may become a standard of care for an expanded gestational age group.

The pathophysiological rationale is robust. In brain injury mechanisms following hypoxia or ischemia, the initial insult triggers a complex cascade involving the release of excitatory neurotransmitters, inflammation, and mitochondrial dysfunction. The brain’s immature state in 35-week infants renders it susceptible yet also potentially more amenable to salvage if interventions are timed precisely. Therapeutic hypothermia acts by slowing these pathological processes, promoting cellular survival pathways while inhibiting apoptotic pathways which would otherwise lead to widespread neuronal loss.

Moreover, the study meticulously accounts for confounders such as severity of encephalopathy, comorbid conditions, and timing of therapy initiation. These factors are critical for isolating therapeutic hypothermia’s independent effect, thereby strengthening the conclusions. The authors’ methodical approach offers a template for future clinical guidelines, advocating for careful patient stratification and protocol standardization in neonatal hypothermia treatment.

Technological improvements in temperature regulation devices have also facilitated this therapy’s safe administration, addressing earlier concerns about complications related to overcooling or temperature fluctuations. This study reports minimal adverse events, reaffirming the procedure’s feasibility in specialized neonatal intensive care units. This reassures clinicians and policymakers about its incorporation into care regimens for late-preterm infants with encephalopathy.

The implications extend beyond immediate survival as well. Lower mortality often correlates with diminished long-term neurodevelopmental impairments, underscoring therapeutic hypothermia’s potential impact on childhood quality of life. As neonatal practices evolve, integrating this therapy could reduce the burden of lifelong disability associated with neonatal brain injury, presenting a transformative advance in pediatric healthcare.

This research also prompts a reevaluation of neonatal encephalopathy definitions, screening protocols, and early diagnostic criteria specifically tailored for late-preterm infants. Enhanced vigilance and timely identification are paramount since intervention timelines strongly influence therapeutic efficacy. The authors call for multicenter trials and long-term follow-up studies to further validate these promising early results.

Overall, this pioneering work by Aly and colleagues catalyzes a critical expansion of therapeutic hypothermia practice, underpinning the need to revisit existing neonatal care frameworks. By systematically demonstrating therapeutic hypothermia’s efficacy in 35-week infants with encephalopathy, the study offers a beacon of hope for improved survival and neuroprotection, guiding clinicians toward nuanced, evidence-based decision-making.

As neonatal medicine steadily embraces precision care, research such as this marks a vital step in bridging knowledge gaps concerning vulnerable infant populations. It embodies a synthesis of clinical innovation, methodological rigor, and compassionate healthcare aimed at optimizing outcomes during the earliest and most fragile stages of human life.

Future directions inspired by this study include tailoring cooling protocols to individual physiological variances and integrating adjunct therapies that may synergize with hypothermia to enhance neuroprotection further. Continuous advancements in biomarker discovery and imaging might soon refine patient selection, allowing even more targeted and effective interventions.

Until then, the study stands as a testament to the remarkable progress in neonatal therapeutic strategies, rekindling optimism for families and clinicians facing the daunting challenge of encephalopathy. It heralds a new era where late-preterm infants, previously marginalized in hypothermia research, are recognized as candidates deserving equally judicious and innovative care approaches.

In essence, through meticulous analysis and groundbreaking focus, Aly et al. have laid the groundwork for reshaping neonatal encephalopathy management, embodying both scientific rigor and clinical compassion. Their work is a clarion call to the global perinatal community that therapeutic hypothermia’s life-saving potential transcends gestational boundaries, mandating its incorporation into standard neonatal practice for a broader spectrum of infants at risk.

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Subject of Research: Therapeutic hypothermia’s effect on in-hospital mortality in 35-week gestation infants with encephalopathy

Article Title: Therapeutic hypothermia and in-hospital mortality in 35-week infants with encephalopathy

Article References:
Aly, H., Eltaly, H., Mohamed, F.A. et al. Therapeutic hypothermia and in-hospital mortality in 35-week infants with encephalopathy. J Perinatol (2026). https://doi.org/10.1038/s41372-026-02738-2

Image Credits: AI Generated

DOI: 03 June 2026

Confira os requisitos de PC para Control: Resonant e prepare seu setup para o lançamento em setembro.

O post Control: Resonant revela requisitos de PC e chega em setembro de 2026 apareceu primeiro em Blog do Edivaldo - Informações e Notícias sobre Linux.

Se você procura uma ferramenta para para analisar e escanear máquinas da rede, veja como instalar o Angry IP Scanner no Linux via Flatpak.

Leia o restante do texto "Como instalar o Angry IP Scanner no Linux via Flatpak"

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SpaceX is planning to offer shares ​at $135 apiece to raise $75 ​billion in its ⁠initial public ​offering, according to people familiar with the matter, as Elon Musk rejects another Wall Street convention by setting a fixed price ahead of the marketing phase of the deal. The rocket, satellite and artificial intelligence company aims to sell 555.6 million shares in the offering, the people said. Deliberations are ongoing and details of the IPO could still change before the terms are disclosed as soon as Wednesday, or even during the marketing process, they said, asking not to be identified as the information isn’t public. The move adds to the unconventional aspects of a deal that’s set to be the biggest ever listing. We get reaction from George Ferguson, Senior Aerospace Analyst for Bloomberg Intelligence. (Source: Bloomberg)

In a groundbreaking study published in Nature Climate Change, scientists have uncovered a critical driver behind a high-latitude warming hotspot in the Southern Ocean—a phenomenon attributed to the complex interactions of ocean mesoscale eddies. The Southern Ocean is a vital component of the global climate system, playing a fundamental role in heat and carbon uptake, yet understanding its warming patterns remains a grand challenge due to the intricate interplay of oceanic and atmospheric processes.

Over the past four decades, from 1982 to 2023, observations have revealed a notable surface warming signal concentrated in certain regions of the Southern Ocean. To robustly characterize this warming, researchers employed a suite of state-of-the-art sea surface temperature (SST) datasets derived from multiple sources including NOAA’s Optimum Interpolated SST, ECMWF’s ORAS5 ocean reanalysis, NOAA’s Extended Reconstructed SST, the Institute of Atmospheric Physics surface temperature records, and the high-resolution Met Office OSTIA product. These datasets, varying in spatial resolution from 0.05° to 2°, collectively ensure a detailed and reliable representation of temperature trends despite the Southern Ocean’s formidable observational challenges.

Beneath the surface, the temperature structure and mixed layer depth have been meticulously analyzed using the extensive Argo float network, which provides high-resolution data from 2004 to 2023. By calculating the mixed layer depth through the vertical buoyancy frequency maximum method, the team achieved a consistent and physically meaningful depiction of how the upper ocean stratification evolves in the warming hotspot region. This approach also aligns well with other established methods, lending further confidence to the interpretation of subsurface heat dynamics.

One of the study’s fundamental breakthroughs involved the incorporation of satellite-observed daily surface geostrophic currents to calculate eddy kinetic energy (EKE)—a critical measure of the ocean’s mesoscale variability. Geostrophic currents at a fine spatial resolution of 0.125° were segmented into mean flows (3-month averages) and perturbations representing eddies. Through careful analysis of these perturbations, the researchers quantified how mesoscale eddies contribute to the Southern Ocean’s thermal state, elucidating their pivotal role not just as passive features but as active agents in heat redistribution.

Additionally, satellite-based chlorophyll-a concentration data spanning 1998 to 2023 was leveraged to assess biological responses to warming. Chlorophyll serves as a proxy for phytoplankton biomass, which is highly sensitive to changes in upper ocean temperature and mixing. This integrated biophysical perspective enables the researchers to frame the warming process within broader ecological implications, an essential step toward comprehensive climate impact assessments.

To understand the mechanisms driving the observed warming hotspot, the scientists turned to high-resolution climate simulations using the Community Earth System Model-High Resolution (CESM-HR). This model components include coupled representations of the atmosphere, ocean, sea ice, and land, simulated at nominally eddy-resolving horizontal resolutions of 0.1° for the ocean and sea ice and 0.25° for atmosphere and land. Following the Coupled Model Intercomparison Project Phase 5 protocol, CESM-HR runs enable the dissection of key physical processes at unprecedented scales previously unreachable in global climate models.

The CESM-HR simulation strategy included two experimental setups: the pre-industrial control (PI-CTRL), representing a stable climate baseline, and a historical-forcing simulation incorporating time-varying anthropogenic influences up to 2100 under RCP8.5, known as HF-TNST. By calibrating trends to exclude model drifts through comparisons with the PI-CTRL, the authors ensured that derived long-term warming signals authentically represent climate change impacts, thereby enhancing the robustness of the mechanistic findings pertinent to the upper Southern Ocean’s response.

A pivotal analytical tool was the partitioning of mean flows and mesoscale eddies, defined by deviations from 3-month averaged states. This allowed precise quantification of the roles played by mean circulation and eddy-induced heat transport. Such decomposition revealed that mesoscale eddies significantly modulate the convergence of heat transport within the warming hotspot, fundamentally altering thermal stratification and surface temperature trends.

The heart of the study’s analysis lies within the vertically averaged ocean heat budget framework. This diagnostic equation encapsulates the change in temperature within the water column as a balance between heat convergence by mean flows, heat convergence by eddies, surface heat fluxes, and turbulent mixing processes. In meticulous detail, the researchers computed these terms directly from model outputs, with turbulent mixing inferred as a residual term. Their quantitative assessment pinpoints mesoscale eddies as not mere bystanders but as key contributors to heat redistribution, exerting a critical influence on regional warming patterns.

Further mechanistic insight was achieved through the computation of the conversion from mean available potential energy (MAPE) to eddy available potential energy (EAPE), a dynamical energy exchange indicative of baroclinic instability—the process through which energy stored in mean density gradients transfers to eddy fields. Utilizing daily velocity, temperature, and salinity from selected periods when fine-scale model outputs are available, the study convincingly demonstrates enhanced energy conversions under warming scenarios. This intensification of baroclinic instability facilitates stronger eddy generation and thus more vigorous vertical eddy heat transport.

The cascade of energy from MAPE to EAPE and subsequently to eddy kinetic energy (EKE) underscores the vital role of mesoscale eddies in modulating Southern Ocean warming. The amplified vertical eddy heat transport identified by the research signifies a dynamic ocean adjustment process that not only shapes temperature evolution but also likely impacts nutrient fluxes, carbon cycling, and sea ice distribution in polar regions.

This study represents a significant advancement in oceanographic climate science by unequivocally linking mesoscale eddy dynamics to observed high-latitude Southern Ocean warming hotspots. Beyond enriching our conceptual understanding, these findings underscore the necessity of resolving ocean mesoscale processes in global climate models. Such resolution is essential for credible projections of polar climate change, which carry profound implications for global sea level rise, weather patterns, and carbon sequestration.

In conclusion, by integrating cutting-edge observational datasets, state-of-the-art Earth system modeling, and sophisticated dynamical analyses, this research unravels the intricate mesoscale mechanisms underpinning Southern Ocean warming. It highlights the synergistic coupling of ocean physics, climate forcing, and energy conversions that together sculpt the spatial patterns of warming at high latitudes. This paradigm shift fosters optimism in our capacity to predict and, ultimately, mitigate the impacts of climate change on Earth’s most sensitive ocean frontiers.

Subject of Research: High-latitude warming hotspot in the Southern Ocean driven by ocean mesoscale eddies and their role in heat transport and energy conversion.

Article Title: High-latitude Southern Ocean warming hotspot induced by ocean mesoscale eddies.

Article References:
Li, D., Jing, Z., Cai, W. et al. High-latitude Southern Ocean warming hotspot induced by ocean mesoscale eddies. Nat. Clim. Chang. (2026). https://doi.org/10.1038/s41558-026-02652-7

DOI: https://doi.org/10.1038/s41558-026-02652-7

Image Credits: AI Generated

Conheça o Qwant, motor de busca francês que a União Europeia escolheu para substituir o Google visando mais privacidade.

O post UE adota Qwant como buscador oficial e afasta Google em busca por soberania digital apareceu primeiro em Blog do Edivaldo - Informações e Notícias sobre Linux.

In a groundbreaking advancement for molecular biology and computational chemistry, researchers at the University of Amsterdam’s Van ’t Hoff Institute for Molecular Sciences have unveiled an innovative software suite designed to accurately model DNA structures within biomolecular assemblies. Dubbed MDNA, this state-of-the-art toolkit empowers scientists across multiple disciplines—including biochemistry, molecular biology, bioinformatics, and biophysics—to visualize, analyze, and simulate DNA with unprecedented atomic precision. This development promises to significantly deepen our understanding of DNA behavior in complex biological environments, advancing both fundamental research and applied sciences.

At the heart of MDNA’s innovation is its ability to generate three-dimensional atomic coordinates for double-stranded DNA molecules, regardless of their shape or complexity. Unlike traditional tools that might rely heavily on generalized models or limited structural libraries, MDNA adopts the rigid base formalism originally embodied in the Curves+ code, a well-regarded computational framework for nucleic acid conformation analysis. This approach treats each base pair within the DNA as an individual rigid unit, allowing for a finely tuned representation of the molecule’s structural intricacies.

What sets MDNA apart from many existing molecular modeling tools is its flexibility and adaptability. Users can effortlessly design DNA molecules following virtually any arbitrary spatial curve, making the creation of highly customized and intricate DNA architectures more accessible than ever before. Moreover, the software supports the modification and extension of pre-existing DNA structures, facilitating iterative design and refinement processes crucial for research that explores DNA-protein interactions and biomolecular mechanics.

The software’s user-friendly nature further democratizes molecular modeling. It has been extensively tested by students and researchers from diverse scientific backgrounds—many with minimal prior programming experience—and has proven accessible for both novices and experts. Accompanying the software are comprehensive tutorials and demonstrations, positioning MDNA as not only a research tool but also as an invaluable educational resource suitable for workshops and classroom environments.

A vital component of MDNA’s structural modeling capabilities comes from the collaborative implementation of an advanced energy function, developed in partnership with the group led by Helmut Schiessel at TU Dresden. This energy function facilitates rapid equilibration of DNA structures while accurately modeling essential physical properties such as stiffness, flexibility, and intrinsic mobility. By incorporating physical constraints, it enables the simulation of biologically relevant phenomena like DNA supercoiling without the computational overhead typically associated with all-atom simulations.

In addition to its robust structural generation features, MDNA excels as an analytical tool. It can process DNA configurations derived from molecular dynamics simulations, facilitating a seamless integration between modeling and analysis within a unified workflow. This integration is crucial for researchers investigating the dynamic nature of DNA and its interactions with proteins and other cellular components, as it reduces the barriers between data generation, exploration, and hypothesis testing.

The scope of MDNA extends beyond just double-stranded DNA; the software includes a growing library of sixteen nucleobase types with plans for future expansion, offering an expanding toolkit to model various DNA modifications and analogs. Such versatility is especially pertinent as synthetic biology and epigenetics increasingly demand precise modeling tools capable of representing non-canonical DNA structures and chemical modifications.

MDNA’s efficient computational framework leverages simplifications that avoid simulating every atom explicitly, allowing structures to reach equilibrium within seconds. This significant reduction in computational time without sacrificing accuracy presents substantial advantages for high-throughput DNA modeling tasks, enabling rapid prototyping of DNA-based nanodevices or exploring a vast landscape of theoretical DNA conformations.

The open-source nature of the MDNA suite invites broad usage and collaborative development within the scientific community. Available publicly via repositories like Figshare and Github, it encourages transparency, reproducibility, and community-driven enhancements. This openness not only fosters innovation but also helps establish MDNA as a standard platform for DNA modeling in both academic and industrial research contexts.

By bridging detailed atomic-level resolution with high computational efficiency and an intuitive interface, MDNA fills a critical gap in the current toolbox for molecular simulation. It offers molecular scientists an indispensable means to unravel DNA’s structural complexities, enhancing our grasp on biological mechanisms ranging from gene regulation to chromosome packaging.

As research increasingly focuses on the interplay between DNA and proteins within the crowded cellular environment, tools like MDNA pave the way for more accurate models that can directly inform experimental design and therapeutic development. These models may, in turn, accelerate progress in fields such as drug discovery, gene editing, and synthetic biology, where precise structural understanding is paramount.

The collaboration between experimental insight and computational ingenuity as demonstrated in MDNA exemplifies the future of molecular sciences—where software not only supports but actively shapes research frontiers. With the support of comprehensive documentation and educational outreach, MDNA is poised to become a cornerstone technology for any scientist captivated by the elegance and complexity of DNA.

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Subject of Research: Molecular modeling and simulation of DNA in biomolecular assemblies

Article Title: MDNA: A comprehensive molecular modeling toolkit for DNA in biomolecular assemblies

Web References:
DOI link to the published paper

Image Credits: HIMS / University of Amsterdam

Keywords: Computational chemistry, Biochemistry, Molecular biology, Bioinformatics, Biophysics, DNA modeling, Molecular simulation, DNA-protein interactions, Molecular dynamics

Nintendo Switch 2 abre caminho para RPGs de grande escala, incluindo Final Fantasy 7 Parte 3, em uma experiência portátil inédita.

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A Comissão Europeia queria abrir o concurso oficial para a instalação das gigafábricas de IA no final do ano passado, no entanto, o processo tem sido atrasado, com a mais recente previsão a apontar agora para o próximo mês.

The post Comissão Europeia prevê abrir concurso oficial para as gigafábricas de IA em julho appeared first on Tek Notícias.

El X-59 no busca ser simplemente otro avión rápido. Su misión es resolver el problema que acabó con la era supersónica: el estallido sónico. Si funciona como esperan sus ingenieros, podría cambiar las reglas de la aviación comercial.

Descubra Hadar, o novo jogo open-world emocional da CD Projekt Red que promete impactar fãs dos RPGs clássicos.

O post CD Projekt Red anuncia Hadar, nova experiência open-world emocional apareceu primeiro em Blog do Edivaldo - Informações e Notícias sobre Linux.

Christi Hill and male officer misidentified in Vickrum Digwa murder case on AI platforms including Grok

A former police officer has been forced to flee to a safe space after she was falsely accused online of being involved in the arrest of Henry Nowak.

Christi Hill, who served as a police constable for 12 years, has criticised social media and AI platforms, including Elon Musk’s Grok, for spreading the false claim that she was one of the officers who arrested Nowak as he lay dying after being stabbed by Vickrum Digwa.

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© Photograph: Lab Mo/SOPA Images/Shutterstock

© Photograph: Lab Mo/SOPA Images/Shutterstock

© Photograph: Lab Mo/SOPA Images/Shutterstock