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Top science & technology news, September 20, 2026
- APOEε4 carriers benefit more from estradiol-based MHT
Study finds that menopause hormone therapy affects cognitive function and brain health differently depending on the formulation and presence of the APOEε4 genetic marker.
- Early English learning reduces translation efficiency
Study shows transfer between brains depends on early language learning. Within-person accuracy remains stable, but transfer declines with age.
- Patients recover speech through left-hemisphere activity
Study shows brain activity and connectivity predict language recovery after stroke. Researchers analyzed 47 patients across different recovery phases.
- RGP helped 272 families out of 1014
The Rare Genomes Project analyzed 1014 families with rare diseases, identifying the cause in 23.3% of cases. Results were returned to 272 families.
- User built NAS to store family data
The author built a home server to store family files and automatically back up photos, avoiding cloud services. He doesn't want to rent storage space for his photos and doesn't want Google to look at them.
- Users gain access to OpenAI-compatible endpoints
Comparison of self-hosted inference orchestrators for distributed model execution. Suitable for choosing a solution based on specific tasks.
- GAVEL enhances robot planning
GAVEL boosts single-task success from 41.2% to 91.8% and multi-task success from 19.9% to 92.6%. The model uses graph-based world representations to predict outcomes before execution.
- Claude Code Agents Use Chief of Staff Pattern
New approach separates orchestration from execution. Coordinator verifies claims and re-runs tasks before trusting results.
- App turns textbooks into interactive feeds
ScrollEd app transforms text files into interactive videos and quizzes, mimicking TikTok. Students can study material in an engaging format.
- Editor combines edits in real time
Notion implemented CRDTs to handle concurrent edits seamlessly. The system merges changes from two users without data loss.
- Flock lets employees leave voluntarily
Flock offers generous buyouts to avoid layoffs. The move aims to address internal morale issues linked to its controversial tech.
- SMCHD1 binds chromatin to repress genes
DNA binding is essential for SMCHD1's stable chromatin retention. A DNA-binding mutant showed reduced gene repression.
- Google monitored hackers from inside
Google used an undercover researcher to monitor and disrupt TeamPCP's supply-chain attacks.
- Genomic analysis identifies causes of rare diseases
GAVUR, a new system, helps identify pathogenic non-coding variants in rare disease patients using TAD data to link variants to disease genes.
- w64devkit now automates builds
Project w64devkit added a co-maintainer, with improvements merged upstream. Packages are now signed, and builds automated via GitHub Actions.
- LLaMA model links age to pseudo-perplexity changes
Study shows LLaMA perplexity decreases with age in youth with psychosis. Findings could aid early diagnosis.
- AAA AI creates autonomous agents for LLMs
AAA AI integrates agents into LLM workflows, automating actions and documenting meetings.
- mdjango creates technical documentation in 30 minutes
mdjango allows quick setup of technical documentation with LLM support. Includes search, dark mode, and static site generation.
- FBI: Fake cop and government impersonation scams cost victims $1.6B
Microsoft is porting Copilot runtime to Rust to cut costs. The project cost $120K.
- Users get 25% more Claude Code usage
Anthropic temporarily boosted Claude Code limits by 50%, but they will drop to 125% of original by September 14, a 17% reduction from current levels.
