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Wednesday, September 23

1,915 new papers appeared. We read every one. These 20 are worth your time.

Each dot is one paper. The pink ones made today's edition. Point at any dot to see its title.

Today's edition

Picked for broad interest, a real step forward and honest claims, with no field allowed to take over.

  1. In-orbit operation of a programmable quantum photonic processor

    Here, we report a programmable quantum photonic platform operating on a nanosatellite, processing two photons in a six-mode universal integrated circuit.
    PreprintClaims a big stepReal-world use
  2. Recursive self-improvement of AI research agents

    Together, these results show that an AI research agent can improve its own research efficiency through recursive self-improvement, and that these gains transfer to tasks and domains the loop never encountered.
    PreprintClaims a big step
  3. Rising water is an underappreciated driver of forest mortality

    Our findings identify rising waters as a widespread, underappreciated driver of forest die-off that can extend far inland, underscoring the need to reassess the impacts of climate change on the functioning, demography, and carbon-methane budgets amongst the world's most carbon-rich forests as seas rise and hydroclimate shifts globally.
    PreprintReal-world use
  4. Generative Neuromorphic Programming of Mammalian Cells

    Here we establish generative programming of mammalian cells through a neuromorphic framework that compiles desired behavior into DNA.
    PreprintClaims a big step
  5. Valuing five centuries of unpaid breastfeeding in England

    We impute upper and lower bounds for the value of unpaid breastfeeding over five centuries in England to better understand its economic role over the course of economic development.
    Peer-reviewed journalBroad interest
  6. Exo-LAMP: A Rapid Extraction-Free Isothermal Assay for Exosomal mRNA Detection

    Here, we report Exo-LAMP, an extraction-free isothermal assay for detecting placental exosomal KISS1 mRNA, representing the first isothermal approach for exosomal mRNA detection.
    PreprintClaims a big stepReal-world use
  7. Autonomous Quantum Transport Measurements of 2D Semiconductors by an AI Agent

    Herein, we introduce an AI-driven workflow in which an AI agent performs multi-step, multi-day quantum transport measurements end-to-end.
    Preprint
  8. Bistability of compartmentalized autocatalytic systems at the dawn of hereditary variation

    Here we show that two mutually interacting autocatalytic networks can form alternative stable chemical states, maintained by weak cross-catalysis and switched by environmental change when enclosed in reproducing compartments.
    Peer-reviewed journal
  9. Multimodal Visual Sensing of Temperature and Pressure: From Spectroscopic Readout to Multiple Linear Regression-Enhanced RGB Analysis

    This work presents the first application of MLR-assisted RGB analysis for quantitative luminescence pressure sensing.
    PreprintClaims a big step
  10. Dense Packing of Tetrahedra in Cylinders

    Combining numerical simulations with exact analytical theory, we classify the densest configurations into two continuous, mathematically tractable families: chiral Tetra Helices and achiral Dimer Chains.
    PreprintClaims a big step
  11. Multidirectional Colossal Polarization in a Centrosymmetric Crystal via Long-Range Ion Displacement

    Herein, we demonstrate that colossal polarization occurs by long-range ion displacement even in the nonpolar proton conductor Na2MnN(CN)4·3.25H2O (1·H2O).
    Peer-reviewed journalClaims a big step
  12. Dr-LiSA: Direct Radar-Lidar Scan Alignment for Localization

    This paper introduces Dr-LiSA, a first-of-its-kind direct method for localizing 2D spinning radar intensity measurements in against 3D lidar maps.
    PreprintClaims a big stepReal-world use
  13. Simulation and Analysis of Solute Transport in Multi-Lymphangion Lymphatic Vessels

    Overall, the proposed PBS framework provides a first quantitative basis for solute transport modeling in the LS and several concrete application scenarios for MC in this underexplored domain.
    Preprint
  14. Learned Human Aortic Morphodynamics: A Dynamical-Systems Model of Post-EVAR Sac Remodeling

    Recovering the equations that govern remodeling, rather than tracking its instantaneous state, therefore provides a foundation for clinical models built from the sparse records that routine imaging surveillance actually produces.
    PreprintReal-world use
  15. Generating protein hydrogels with customizable stress relaxation behavior via deep learning-driven entanglement design

    Here, we introduce TangleDiff, a deep learning framework for the de novo design of homodimeric entangled proteins with programmable features.
    Peer-reviewed journalReal-world use
  16. Beyond Natural Language: An Agent-Native Language for Autonomous Science

    We introduce Lara, a machine-checkable language and protocol for checking and revising support for research claims.
    PreprintClaims a big step
  17. Rachel: A general-purpose language model directs and revises retrosynthetic routes

    Within Rachel, a general-purpose LLM coordinated successive chemical choices and revised its strategy as earlier decisions reshaped the remaining problems.
    Preprint
  18. Data center cooling choices shift water impacts across the grid: An integrated water-energy model for sustainable data center development

    Air-cooled data centers halve total water consumption relative to evaporative cooling, but increase electricity demand and raise indirect water consumption by one-third, shifting the water footprint from the facility to generators.
    PreprintReal-world use
  19. Relegation, promotion and the components of scoring in water polo

    Fitted to a new dataset of 940 matches, the model identifies the directly relegated club from the ninth round, before the league table does, predicts the play-out field better than the table, and shows the play-out itself to be close to a coin toss.
    Preprint
  20. First Observation of a Polar Coronal Hole-like Fast Solar Wind Stream in the Sub-Alfv\'enic Solar Corona: an Analysis of Turbulence Properties

    At heliocentric distances of approximately 10 solar radii, with speed mostly above 400 km/s, this interval is a first example of "polar coronal hole-like (PCH-l) fast" solar wind observed in the sub-Alfv\'enic solar corona.
    PreprintClaims a big step