top 20 hacker news stories for today

ChatGPT lost 22 points of web share in a year

https://aicharts.grok.me/c/market-share

1 hour ago

14 upvotes – 20 comments

AI has access to a vastly larger working memory than the human brain

https://davidepiffer.com/p/ai-isnt-outthinking-mathematicians

7 hours ago

1 change
407 upvotes – 366 comments

Auto-research with codex: How I achieved a 232x Faster Kernel

https://sankalp.bearblog.dev/autoresearch/

14 hours ago

392 upvotes – 86 comments

The other Sean Byrne doesn't exist

https://conic.al/writing/the-other-sean-byrne-doesnt-exist/

21 hours ago

371 upvotes – 178 comments

Semaglutide linked to lower predicted dementia risk

https://alz-journals.onlinelibrary.wiley.com/doi/10.1002/dad2.70432

9 hours ago

2 changes
343 upvotes – 239 comments

Working with AI feels more like leadership than coding

https://allen.bargi.org/notes/working-with-ai-feels-like-leadership/

14 hours ago

1 change
264 upvotes – 171 comments

Magnitude 7.7 Earthquake – 68 km NNW of Ende, Indonesia

https://earthquake.usgs.gov/earthquakes/eventpage/us6000tkt2/executive

1 day ago

215 upvotes – 55 comments

At-home test for infected ticks could improve Lyme Disease diagnosis

https://www.smithsonianmag.com/innovation/the-first-at-home-test-for-infected-ticks-could-improve-lyme-disease-diagnosis-180989235/

11 hours ago

1 change
210 upvotes – 75 comments

A spectre is haunting Unicode

https://www.dampfkraft.com/ghost-characters.html

10 hours ago

1 change
165 upvotes – 56 comments

A controversial Alzheimer's surgery is said to reverse symptoms

https://www.nature.com/articles/d41586-026-02448-x

8 hours ago

156 upvotes – 73 comments

Abdominal fat predicts heart disease risk better than BMI

https://www.acc.org/about-acc/press-releases/2026/08/11/14/59/abdominal-fat-predicts-heart-disease-risk-better-than-bmi

4 hours ago

1 change
142 upvotes – 106 comments

Engineers will do anything to avoid learning from history

https://horn.gg/blog/engineers-will-do-anything-to-avoid-learning-from-history/

3 hours ago

140 upvotes – 87 comments

The Ploopy A+ Trackball Is Here

https://blog.ploopy.co/the-aplus-is-finally-here-499

1 day ago

134 upvotes – 66 comments

Simplifying and Refactoring Introductory Calculus (2018)

https://arxiv.org/abs/1811.03459

1 day ago

1 change
133 upvotes – 75 comments

Show HN: ThoughtDAG – An editable context graph for LLM conversations

https://chenxiachan.github.io/thoughtdag/

20 hours ago

112 upvotes – 52 comments

The Dutch community where people live on strips of land in a lake

https://www.core77.com/posts/144869

8 hours ago

1 change
109 upvotes – 52 comments

Cloudflare's AI Psychosis

https://opensauce.it/cloudflare-ai-psychosis/

11 hours ago

106 upvotes – 86 comments

Europe's scorched landscapes seen from space after summer heatwaves

https://www.bbc.com/news/articles/c4gxy0wqqd9o

8 hours ago

101 upvotes – 92 comments

Using GCC's Nested Functions with Wide Pointers and No Trampolines II

https://uecker.codeberg.page/2026-07-14.html

17 hours ago

87 upvotes – 45 comments

AI in drug discovery – what it is, where we stand and the path forward

https://www.science.org/content/blog-post/so-how-ai-drug-discovery-doing-really

6 hours ago

5 changes
86 upvotes – 43 comments
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