Science & Tech

JWST lensed-quasar survey hints at self-interacting dark matter on small scales

JWST analysis of 29 quadruply imaged quasars shows a population-level preference for self-interacting dark matter over CDM at small scales; tentative preprint result.

#astrophysics, #darkmatter, #jwst, #gravitationallensing

TECHNOLOGY

DeepMind paper: Gemini 4 Argon agents autonomously beat Minecraft, researchers say

A DeepMind preprint reports four Gemini 4 Argon agents autonomously defeated Minecraft’s Ender Dragon after 27 hours of planning, coding and coordination.

#ai, #deepmind, #minecraft, #gemini4

TECHNOLOGY

ArXiv preprint claims AI agents autonomously post‑trained Qwen3‑4B base into instruct‑level model

An Oct. 15 arXiv preprint says four agents using Claude Opus 5.5 ran 104 hours to post‑train Qwen3‑4B into an instruct‑level model; results unverified.

#ai, #machinelearning, #agents, #preprint

TECHNOLOGY

Google expands News AI pilot to more than 400 publications

Google says its News AI pilot now includes over 400 publications, paying partners for AI-generated article overviews and audio briefings.

#google, #ai, #journalism, #news

SCIENCE

Preprint finds probabilistic AI models outperform ECMWF ensemble on record-breaking heat extremes

An arXiv preprint shows probabilistic AI forecasting systems outperformed ECMWF's ensemble — including on record-breaking heat — when evaluated probabilistically.

#ai, #weather, #heatwaves, #forecasting

SCIENCE

Fermi Releases Most Sensitive Low‑Energy Gamma‑Ray Catalog, Identifying 60 New Sources

Fermi-LAT's 2FLE catalog lists 450 sources between 20–200 MeV, including 60 previously unseen gamma-ray sources, helping close the MeV gap.

#astronomy, #gammarays, #fermilat, #astrophysics

HEALTH

FDA Expands Use of Anktiva to Treat High-Grade Papillary Non‑Muscle Invasive Bladder Cancer

FDA expands Anktiva's approved use to adults with BCG‑unresponsive, high‑grade papillary-only non‑muscle invasive bladder cancer, providing a bladder‑sparing option.

#fda, #bladdercancer, #immunotherapy, #immunitybio

TECHNOLOGY

OpenAI spotlights Amp as example of agents using GPT-6 Astra, GPT-Live and Sign in with ChatGPT

OpenAI profiles Amp, which uses GPT-6 Astra, GPT-Live-1, Ultrafast and Sign in with ChatGPT to run persistent agents for writing, design and voice.

#openai, #ai, #agents, #amp

TECHNOLOGY

GAO: Pentagon’s Responsible AI Effort Hobbled by Inactive Council and Staffing Shortfalls

GAO finds the Pentagon's Responsible AI effort hindered by a months-long council hiatus and major staffing gaps as DOD scales AI use.

#defense, #ai, #pentagon, #gao

TECHNOLOGY

NASA to Hold Oct. 23 Briefing on Accelerating Artemis Program and 2028 Moon Goal

NASA will brief the public Oct. 23 on plans to accelerate Artemis, update Artemis III and progress toward a U.S. lunar return by 2028.

#nasa, #artemis, #moon, #space

SCIENCE

TDCOSMO measures H0 at 71.1 km/s/Mpc with 3.3% uncertainty using strong lensing and JWST kinematics

TDCOSMO uses time-delay lensing and resolved stellar kinematics (including JWST) to measure H0 = 71.1 km/s/Mpc ±3.3%, an independent late‑Universe check.

#cosmology, #hubbleconstant, #stronglensing, #jwst

TECHNOLOGY

ArXiv preprint: Black-box system REPRO finds single-turn jailbreaks across 36 LLMs, but success depends on judge and stopping rules

An arXiv preprint says REPRO found single-turn jailbreaks across 36 LLMs with a median 24 queries — but reported success hinges on the authors’ judge and stopping rules.

#ai, #jailbreak, #llm, #arxiv, #modelsafety

SCIENCE