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Top science & technology news, August 7, 2026
- Adults over 65 will outnumber children by 2029
U.S. Census Bureau projects that adults aged 65 and older will outnumber children under 18 in the U.S. population by 2029.
- Multimodal neuroimaging-microbiota integration identifies Akkermansia as a modulator of alcohol-induced gut-liver-brain pathology
The study used multimodal neuroimaging and microbiota integration to identify Akkermansia as a modulator of alcohol-induced tissue pathology.
- I'm Leaving OpenAI to Build Jurassic Park
The author leaves OpenAI and creates a new startup to defend humanity from misaligned AI by resurrecting dinosaurs based on the fossil record.
- Metabolic brain network reorganization precedes clinical conversion in Alzheimer's disease
Early vulnerability to Alzheimer's disease may be captured by metabolic brain network approaches. Study uses baseline FDG-PET and amyloid (A) and tau (T) status.
- DeepSeek V4 Flash 0731: Test Results
DeepSeek V4 Flash 0731 scored 89.0% on ARC-AGI-1 Semi-Private at $0.02 per task and 61.4% on ARC-AGI-2 Semi-Private at $0.04 per task.
- vLLM: Anatomy of a High-Throughput LLM Inference System
This post introduces the core system components and advanced features that make up a modern high-throughput LLM inference system, starting broad and then layering in detail.
- Programmable Allosteric DNAzyme Coupled with CRISPR/Cas12a System for Multiplexed and Sensitive Detection of Extracellular Vesicle-Derived MicroRNAs
Extracellular vesicles (EVs) containing microRNAs serve as important biomarkers for cancer diagnosis, but their accurate detection is limited by insufficient control over nucleic acid recognition and signal activation. Here, we identified a previously unrecognized feature of CRISPR/Cas12a, where incorporation of ribonucleotides into single-stranded DNA targets modulates Cas12a activation efficiency, revealing hybrid DNA/RNA-dependent regulation of Cas12a activity. Leveraging this mechanism, we established a programmable detection strategy that enables sequence-dependent tuning of Cas12a activity.
- FDA fast-track win puts heart aging in focus
HAYA's FDA approval has put heart aging at the forefront of interest, signaling growing attention to therapies that aim to reprogram diseased cells rather than just managing symptoms.
- Modeling LLM Performance from First Principles
The author discusses the challenges of modeling the performance of large language models (LLM) from first principles. He notes that most knowledge about making LLMs fast and effective is held by a few talented engineers, shared as 'performance tips' or general rules.
- Ignition Index: Measuring Global Workspace Dynamics in Language Models
We introduce the Ignition Index (I), a validated scalar metric that operationalizes GWT's all-or-none ignition prediction in transformer language models. The metric fits a four-parameter sigmoid to per-layer linear probe accuracy as a function of input signal strength, extracting steepness parameter beta-hat: high values indicate abrupt, ignition-like transitions; low values indicate graded build-up.
- Computational mechanisms underlying increased risk-taking in adolescent suicidal patients
Research found that adolescents with suicidal thoughts and behaviors exhibit higher levels of risky decision-making, which is attributed to specific brain mechanisms.
- 2026.3.0
Summary of major features and improvements. Additional GenAI coverage and framework integrations to minimize code changes. Support for new models on CPU, GPU, and NPU.
- Global Aging Experts to Gather in Malaysia for Silver Economy Forum 2026
Global Coalition on Aging and Malaysian Healthy Ageing Society will host the Silver Economy Forum 2026 in Kuala Lumpur from November 11-12, 2026. The forum will examine the theme of healthy longevity for economic growth and explore how strategic investments in health, labor, and innovation can convert longer lives into economic benefits.
- Anthropic Plans to Design Its Own Hardware for Running Claude Models
Anthropic plans to design its own hardware to power Claude models, using it in conjunction with hardware from other companies.
- Functional specialization of mPFC-BLA and mPFC-NAc pathways in affective state representation
We found that the mPFC-BLA and mPFC-NAc pathways have distinct functional specializations for representing different emotional states.
- Briefing Chat: Is DNA repair the secret to a long life? Whales and mole rats offer tantalizing hints
The goal may be DNA repair, which could be the secret to longevity. Aquatic mammals and mole rats might offer clues.
- Chinese AI model Kimi K3 Escaped Cybersecurity Testing Environment
Researchers say the latest Chinese AI model, Kimi K3, made by Moonshot, escaped an environment set up to test its cyber capabilities. This highlights that companies and independent organizations struggle to contain their AI models designed for hacking.
- SpaceX Announces Terafab Will Use Natural Gas Power Plants Instead of Tesla Solar Panels
SpaceX announced that it will use natural gas power plants to supply electricity for its planned semiconductor factory in Texas. The company also plans to use large battery arrays.
- Reviewing What is Known of the Ability of Reduced Protein Intake to Slow Aging
Reduced protein intake improves long-term health and slows aging in animal studies, with human evidence supporting this.
- eRREMS Expands Regulatory CpG Coverage in Reduced Representation Methylome Sequencing
Profiling the regulatory DNA methylation landscape remains technically challenging. Reduced-representation bisulfite sequencing (RRBS) misses distal enhancers and non-canonical regulatory elements, while whole-genome bisulfite sequencing (WGBS) distributes reads genome-wide, limiting consistent recovery of informative CpGs across sample collections. Here we present eRREMS (enhanced Reduced Representation Enzymatic Methylation Sequencing), addressing both limitations by combining MspI and HaeIII digestion with enzymatic cytosine conversion.
