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Stories from June 21, 2026
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1.Prefer duplication over the wrong abstraction (2016) (sandimetz.com)
541 points by rafaepta 10 days ago | 353 comments
2.Apertus – Open Foundation Model for Sovereign AI (apertvs.ai)
534 points by T-A 10 days ago | 183 comments
3.Loupe – A iOS app that raises awareness about what native apps can see (github.com/mysk-research)
547 points by Cider9986 11 days ago | 244 comments
4.Identity verification on Claude (claude.com)
866 points by bathory 10 days ago | 735 comments
5.15-minute at-home Lyme disease tick test (bostonglobe.com)
251 points by bookofjoe 13 days ago | 169 comments
6.Slow breathing modulates brain function and risk behavior (cell.com)
416 points by croes 11 days ago | 119 comments
7.Beyond All Reason (Free Total Annihilation Inspired RTS) (beyondallreason.info)
506 points by mosiuerbarso 10 days ago | 318 comments
8.Developers don't understand CORS (2019) (fosterelli.co)
388 points by toilet 11 days ago | 268 comments
9.Renting a sewing machine from the library (bbc.com)
348 points by sohkamyung 11 days ago | 228 comments
10.Show HN: TownSquare, a tiny presence layer for websites (cauenapier.com)
278 points by cauenapier 11 days ago | 168 comments
11.Epoll vs. io_uring in Linux (sibexi.co)
260 points by Sibexico 11 days ago | 71 comments
12.JSON-LD explained for personal websites (hawksley.dev)
277 points by ethanhawksley 10 days ago | 91 comments
13.Everything is logarithms (alexkritchevsky.com)
313 points by E-Reverance 10 days ago | 83 comments
14.The minimum viable unit of saleable software (brandur.org)
217 points by brandur 10 days ago | 79 comments
15.Show HN: Teach your kids perfect pitch (github.com/paytonjjones)
217 points by paytonjjones 10 days ago | 146 comments
16.The brain was not designed for this much bad news (sciencedaily.com)
457 points by colinprince 10 days ago | 350 comments
17.(How to Write a (Lisp) Interpreter (In Python)) (2010) (norvig.com)
194 points by tosh 10 days ago | 62 comments
18.A 3D voxel game engine written in APL (github.com/namgyaaal)
157 points by sph 10 days ago | 14 comments
19.Running MicroVMs in Proxmox VE, the Easy Way (taoofmac.com)
231 points by zdw 12 days ago | 49 comments
20.Google Hits 50% IPv6 (apnic.net)
428 points by barqawiz 10 days ago | 483 comments
21.Whole cross-sectional human ultrasound tomography (nature.com)
112 points by lnyan 13 days ago | 25 comments
22.PowerFox Browser (jazzzny.me)
165 points by thisislife2 10 days ago | 49 comments
23.Proportional-Integral-Derivative (PID) controllers (wikipedia.org)
125 points by dhorthy 12 days ago | 63 comments
24.Zigzag Decoding with AVX-512 (zeux.io)
129 points by luu 14 days ago | 22 comments
25.FDA advisors unanimously vote to approve Moderna's mRNA after agency drama (arstechnica.com)
236 points by worik 10 days ago | 146 comments
26.HPV vaccine cuts risk of dying from cervical cancer before 30 (theguardian.com)
246 points by toomuchtodo 14 days ago | 171 comments
27.Guide to the TD4 4-bit DIY CPU (philipzucker.com)
61 points by andrewstuart 13 days ago | 6 comments
28.Project Fetch: Phase Two (anthropic.com)
73 points by stopachka 11 days ago | 26 comments
29.Building reliable agentic AI systems (martinfowler.com)
195 points by sarangk90 10 days ago | 50 comments
30.Show HN: Recall – Local project memory for Claude Code (github.com/raiyanyahya)
137 points by mateenah 10 days ago | 86 comments

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