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VAN DER BILT UNIVERSITY

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PNAS – SCIENTIFIC JOURNALS

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    Proceedings of the National Academy of Sciences: Proceedings of the National Academy of Sciences: Table of Contents

  • In This Issue
    Proceedings of the National Academy of Sciences, Volume 122, Issue 47, November 2025. <br/>... Read more »
  • Deep learning reveals how cells pull, buckle, and navigate fibrous environments
    Proceedings of the National Academy of Sciences, Volume 122, Issue 47, November 2025. <br/>SignificanceThe mechanical forces cells generate govern behaviors from embryonic development to cancer metastasis. Nearly all knowledge of these forces comes from cells on flat surfaces, environments that poorly represent the fibrous architecture of real ...... Read more »
  • Cloud fraction response to aerosol driven by nighttime processes
    Proceedings of the National Academy of Sciences, Volume 122, Issue 47, November 2025. <br/>SignificanceThe effect of airborne particulates-called aerosols-on climate is highly uncertain due to their complex interactions with clouds. A significant source of this uncertainty comes from the aerosol influence on large, low-lying clouds over the ...... Read more »
  • Longitudinal transformation of mitochondrial metabolism during neurogenesis
    Proceedings of the National Academy of Sciences, Volume 122, Issue 47, November 2025. <br/>SignificanceUnderstanding the mechanisms that govern neural stem cell (NSC) differentiation is crucial for advancing regenerative therapies for neurodegenerative diseases. This study introduces a nondestructive, label-free electrochemical approach to ...... Read more »
  • Artificial cells with liquid–liquid phase separation–regulated cell-free protein synthesis
    Proceedings of the National Academy of Sciences, Volume 122, Issue 47, November 2025. <br/>SignificanceWhile artificial cells offer exciting prospects in synthetic biology for mimicking life and enabling sophisticated functions, achieving dynamic control over their internal processes remains challenging. Here, we engineer artificial cells with ...... Read more »
  • Breast cancer cell coculture induces normal lung fibroblast transition to CAFs, promoting tumor cell dormancy and therapy resistance
    Proceedings of the National Academy of Sciences, Volume 122, Issue 47, November 2025. <br/>SignificanceThe tumor microenvironment can regulate breast cancer cell (BCC) behavior and therapeutic response in primary breast tumors, but contributions of the metastatic microenvironment to therapy resistance are less studied, especially in lung-...... Read more »
  • The telomeric valine–arginine dipeptide repeat protein changes state to diffuse staining in mitosis and represses in vitro translation
    Proceedings of the National Academy of Sciences, Volume 122, Issue 47, November 2025. <br/>SignificanceThe mammalian G-rich telomeric RNA can generate two proteins consisting of repeating valine–arginine (VR) and glycine–leucine (GL) dipeptides. This is believed to occur via a mechanism employing RNA secondary structures to bypass the ...... Read more »

Science News

UNIVERSITY OF MICHIGAN

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UNIVERSITY OF SOUTHAMPTON

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SciTechDaily

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    SciTechDaily

  • Moon Rocks Reveal Stunning Clues About a Missing Planet
    Key Points Revealing Theia’s composition: A new study in Science identifies the likely chemical makeup of Theia, the ancient planetary body that struck early Earth. Clues to its birthplace: Theia’s reconstructed composition points to an origin in the inner Solar System, probably forming even closer to the Sun than Earth.... Read more »
  • “A Paleontologist’s Dream”: The Breakthrough That Changes How We Date Dinosaurs
    An international group of geologists and paleontologists has developed a new method to accurately determine the age of rocks that contain fossils by directly dating preserved dinosaur eggshells. An international group of geologists and paleontologists has introduced a new way to pinpoint the age of rock layers that contain fossils... Read more »
  • Study Finds Golden Retrievers and Humans Share Genes for Anxiety and Intelligence
    Researchers have found that the genes linked to certain behavioral traits in golden retrievers, such as trainability and fear of strangers, also influence human personality and mental health. A new study from University of Cambridge researchers offers insight into the emotional lives of dogs and helps explain why golden retrievers... Read more »
  • Giant Ancient Shark Discovered in Australia Stuns Scientists
    Scientists have uncovered evidence of a colossal shark that lived off northern Australia about 115 million years ago, revealing that modern shark lineages grew to immense sizes far earlier than expected. Rare vertebrae from rocks once part of the ancient Tethys ocean show that this early lamniform predator shared the... Read more »
  • New Study Warns: By 2100, Coral Reefs Could Be Overtaken by Algae
    By the year 2100, rising carbon dioxide levels are expected to alter ocean chemistry so severely that coral reef communities in Australia and worldwide will recover more slowly, lose ecological complexity, and become increasingly dominated by fleshy algae. A new international study released in Communications Biology has examined rare coral... Read more »
  • Hidden Heat Beneath the U.S. Traced to Ancient Rift With Greenland
    A deep heat mass beneath the Appalachians appears to have started near a rift between Greenland and North America. Its slow southward journey reveals that ancient tectonic events still influence the continent today. Deep Heat Beneath the Appalachians Linked to Ancient Rift A broad area of unusually warm rock located... Read more »
  • Scientists Discover a Hidden Mechanism That “Supercharges” Deep Earthquakes
    A powerful earthquake that struck Calama in 2024 defied long-held assumptions about how deep earthquakes behave. In July 2024, a 7.4-magnitude earthquake struck the city of Calama in northern Chile, damaging structures and cutting power across the area. Chile is no stranger to major seismic events, including the largest earthquake... Read more »

JOHNS HOPKINS UNIVERSITY

MESON STARS

NEW SCIENTIST

NEUROSCIENCE NEWS

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    Neuroscience News

  • The Way You Drive Might Signal Mild Cognitive Impairment
    Researchers found that long-term driving behavior can reveal early signs of cognitive decline years before clinical diagnosis. Older adults who later developed impairment showed gradual reductions in trip frequency, night driving, and route variety compared to cognitively healthy peers.... Read more »
  • Neural Ultrasound Boosts Learning in 60 Seconds
    Researchers have successfully altered human reward learning using non-invasive transcranial ultrasound stimulation directed at a deep brain structure linked to motivation. After brief stimulation, participants learned faster from positive feedback and repeated rewarding choices more consistently.... Read more »
  • CBD Can Reduce Aggression in Dogs
    A massive multi-year analysis of tens of thousands of dogs reveals that CBD use is becoming increasingly common among aging companion animals. While dogs given CBD initially showed higher aggression, their aggression decreased below average levels with long-term use.... Read more »
  • Watching Pain on Screen Can Make Your Body Flinch
    Watching someone experience pain on screen activates your own brain’s touch-processing system in a highly organized, body-specific way. Visual regions of the brain contain hidden maps of the body that allow sight alone to trigger sensations normally produced by physical contact.... Read more »
  • Brain Damage in Schizophrenia May Begin in Specific Neural Epicenters
    New brain imaging research shows that structural damage in schizophrenia spectrum disorders may begin in specific “epicenter” regions before spreading across connected brain networks. Individuals with the condition showed widespread reductions in structural similarity between key cognitive and emotional brain regions.... Read more »
  • Brain Uses Molecular Timers to Decide What We Remember
    New research shows that long-term memory is not stored by a single molecular switch, but by a sequence of timed genetic programs unfolding across different brain regions. Using a virtual-reality learning model in mice, scientists found that experiences are promoted or demoted through multiple biological “durability gates.”... Read more »
  • AI Uncovers Hidden Stress Damage in the Body
    Researchers developed an AI tool that detects chronic stress by measuring adrenal gland volume on routine chest CT scans. This biomarker aligns with cortisol levels, stress questionnaires, and future cardiovascular outcomes, offering the first imaging-based method to quantify stress load in the body.... Read more »

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