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Radical Numerics Administers First AI-Designed Phage to Human Patient
science-and-technology2 days ago

Radical Numerics Administers First AI-Designed Phage to Human Patient

San Francisco-based AI lab Radical Numerics announced the first administration of an AI-designed bacteriophage cocktail to a human patient suffering from an antibiotic-resistant infection. The treatment, approved under a compassionate-use arrangement, utilized the company's new model, Omnii-1, to engineer viruses targeting specific bacterial strains. While laboratory tests confirmed the phages eliminated the patient's bacteria, the company withheld clinical outcome data to protect patient privacy, citing the lack of evidence from a single case.

science-and-technology2 days ago

Researchers Coat Mitochondria with Metal-Organic Frameworks Without Disrupting Energy Production

Researchers from Politecnico di Milano and IRCCS Fondazione Istituto Neurologico Carlo Besta have successfully coated mitochondria with Metal-Organic Frameworks (MOFs) without impairing their energy-producing capabilities. Published in the Journal of the American Chemical Society, this study demonstrates that these advanced materials can be applied at micromolar concentrations to modify mitochondrial surfaces. While the technique holds potential for future treatments of mitochondrial diseases and transplantation, it remains in the preclinical stage. The findings align with broader trends in nanomedicine, where tunable materials are being explored to target cellular organelles for therapeutic purposes.

DynaVelo Model Predicts B Cell Fate Shifts and Rescue Targets from Single-Cell Multiome Data
science-and-technology3 days ago

DynaVelo Model Predicts B Cell Fate Shifts and Rescue Targets from Single-Cell Multiome Data

Researchers developed DynaVelo, a generative neural ordinary differential equation model that integrates single-cell RNA and chromatin accessibility data to simulate B cell dynamics. The model accurately predicts how heterozygous loss of epigenetic regulators Arid1a and Ctcf disrupts germinal center trajectories, specifically causing premature exit from the dark zone. By performing in silico perturbations, DynaVelo identified Ctcf, Stat3, and Bcl6 as potential rescue targets. In vivo experiments confirmed that double-heterozygous deletions of these targets restored wild-type dynamics, validating the model’s predictive power for gene regulatory networks.

science-and-technology3 days ago

Roman Space Telescope Achieves 30% Better Optical Performance Than Predicted

NASA’s Nancy Grace Roman Space Telescope has achieved optical performance nearly 30% better than required after engineers completed precision adjustments. The Wide Field Instrument, activated in September, now measures 63 nanometers RMS error, significantly surpassing the 90-nanometer requirement. This improvement ensures sharper images for surveys of dark matter and dark energy, with the Coronagraph Instrument also meeting performance expectations.

Self-Organizing Vibrations Create New Time Crystal in 3D-Printed Metamaterials
science-and-technology3 days ago

Self-Organizing Vibrations Create New Time Crystal in 3D-Printed Metamaterials

Physicists have discovered a new mechanism for time crystallization called 'wave coarsening,' where vibrations in engineered materials spontaneously synchronize without external timing. Using 3D-printed honeycomb and ring structures, researchers demonstrated that non-reciprocal interactions allow small, rapid oscillations to merge into a single, stable rhythm. This self-organizing process offers a potential route to robust temporal order in active matter, distinct from traditional time crystals that require external driving forces.

Autonomous Saildrone SD-1092 Begins 200-Day Antarctic Circumnavigation to Measure Carbon Flux
science-and-technology4 days ago

Autonomous Saildrone SD-1092 Begins 200-Day Antarctic Circumnavigation to Measure Carbon Flux

Saildrone Explorer SD-1092 departed Tasmania on September 20 to circumnavigate Antarctica autonomously for 200 days. The 23-foot, engineless vessel aims to collect critical winter data on carbon dioxide exchange in the Southern Ocean, a region where traditional research ships rarely operate due to harsh conditions. This mission is the first of four planned over five years to improve climate model accuracy.

Stokes’ 180-Year-Old Fluid Puzzle Ignites AI Industry Clash
science-and-technology4 days ago

Stokes’ 180-Year-Old Fluid Puzzle Ignites AI Industry Clash

OpenAI claims its AI agents solved the 180-year-old Navier-Stokes existence and smoothness problem, a feat that has sparked fierce disputes among tech rivals and mathematicians. The controversy centers on the validity of the proof, which was verified using the Lean programming language, and accusations that OpenAI scooped human research. While the Irish Times highlights the Irish connection to the puzzle’s creator, George Gabriel Stokes, the broader scientific community remains divided on whether AI can genuinely resolve such complex mathematical challenges or merely identify counterexamples.