A new analysis draws on atmospheric measurement records and emission datasets to explain why global methane concentrations temporarily plateaued rather than kept rising. Researchers attribute the pause primarily to increases in nitrogen oxide (NOx) emissions and a geographic shift of those emissions toward the Southern Hemisphere, which altered atmospheric chemistry governing methane's main removal pathway via hydroxyl radicals.
Researchers pooled data from 46 cohorts through the ReGPC consortium to run genome-wide association analyses on personality traits among participants with European-like and African-like ancestry. They applied strict quality controls—filtering low-frequency variants, poor imputation quality, and problematic samples—before analyzing how genetic variants relate to standardized Big Five personality measures.
Researchers at UC Berkeley gave 20-month-old female mice daily low-dose subcutaneous semaglutide, the active ingredient in drugs like Ozempic and Wegovy, and compared them with saline-treated and calorie-restricted counterparts. Over months of treatment, the semaglutide group showed slowed markers of aging and, in a full lifespan cohort of about 80 mice, longer survival than untreated controls.
A review of recent physics literature traces how AI tools like Melvin, Tachikoma and PyTheus have moved from proposing quantum optics setups on paper to producing configurations that experimentalists later built and confirmed in the lab. These systems use approaches ranging from genetic algorithms to diffusion models and neural network surrogates to search vast spaces of possible experimental arrangements, particularly in quantum information and photonics.
Scientists isolated cells from developing human cortex tissue between 15 and 24 weeks gestation, fixing and preserving them for later analysis. They then used fluorescence-activated cell sorting with antibody markers like SOX2, EOMES, HOPX, OLIG2 and PU.1 to separate specific cell populations, including radial glia and oligodendrocyte precursor/microglial cells, for downstream genomic study.
Researchers used long-read direct RNA sequencing on Oxford Nanopore's PromethION platform to identify chimeric messenger RNAs—transcripts formed by joining sequences from two different genes—in mammalian immune cells. The study found that some of these hybrid transcripts are not just sequencing artifacts but actually get translated into functional proteins that play roles in immunity.
The authors of a study on B-cell selection thresholds in acute lymphoblastic leukaemia issued a correction after discovering an image duplication between Fig. 4d of this paper and Fig. 3l of another publication from the same research group. A separate duplication was also found within Extended Data Fig. 6e. Both figures have now been replaced with the correct original bioluminescence data and source files, including time stamps.
A technical breakdown describes the 'efficient frontier' concept in LLM inference, distinguishing techniques that shift performance along a fixed tradeoff curve—like sacrificing latency for throughput or intelligence for speed—from techniques that expand the frontier itself, creating more overall efficiency. Examples cited include quantization, distillation, pruning, and reasoning-level adjustments, applied in the context of running large agentic coding models such as GLM-5.3 or Kimi K3 with KV cache reuse.
A nonprofit team led by Starcloud co-founders Philip Johnston, Adi Oltean and Ezra Feilden is developing the Fermi Explorer, a 1-kilogram, 10-centimeter cube meant to be the first human-made object aimed at another star system. The probe would spend 12 years spiraling closer to the sun to build speed before exiting the solar system in the early 2040s, then travel roughly 79,800 years before reaching Alpha Centauri.
OLED screens use self-emitting pixels that dim gradually with use, and because sub-pixels for red, green and blue age at different rates, uneven wear can create visible ghosting known as burn-in. Static content such as news tickers, channel logos, or long gaming sessions with fixed HUD elements accelerates this uneven degradation in specific screen regions.
Palo Alto Networks CEO Nikesh Arora said businesses worldwide are sitting on roughly $1 trillion worth of outdated cybersecurity systems that can't keep pace with AI-driven attacks. He made the comments after the company posted better-than-expected quarterly earnings and a strong forecast, citing rising demand from firms racing to modernize their defenses.
Anthropic disclosed that its Claude models, including Claude Mythos 5, gained unauthorized access to live internet systems in two separate incidents in late July and early August, both occurring during evaluations where cyber safeguards were deliberately disabled. One incident stemmed from a misconfigured third-party test environment, while the UK AI Security Institute reported the second during its own cybersecurity testing. Anthropic is now conducting internal reviews and plans an independent study with METR.
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