frontpage.
newsnewestaskshowjobs

Open Source @Github

fp.

Open in hackernews

Men's average testosterone levels have halved in last 50 years

https://www.theguardian.com/society/2026/jul/07/mens-average-testosterone-levels-have-halved-in-last-50-years-say-scientists
18•samizdis•1h ago

Comments

idleplant•54m ago
> Obesity was also not controlled for, which is known to be strongly correlated with low testosterone.
idleplant•51m ago
In the past decade, research suggests that testosterone levels have actually gone up[1].

[1]https://www.cremieux.xyz/p/why-are-testosterone-levels-risin...

xvxvx•39m ago
“The solution that’s being promoted is that we give you testosterone,” he said. “But if you give a man testosterone, you switch off his sperm production. I’ve seen that in the clinic.”

Interesting…

DANmode•19m ago
Endocrine disrupting compounds.
ThrowawayTestr•15m ago
Or rising obesity and poor overall health
DANmode•12m ago
These are all items in the same feedback loop.

IBM Expands Z17 and LinuxONE 5 Mainframe Lineups with Single Frame and Rackmount

https://www.servethehome.com/ibm-expands-z17-and-linuxone-5-mainframe-lineups-with-single-frame-a...
1•rbanffy•2m ago•0 comments

Choosing a Claude model and effort level in Claude Code

https://claude.com/blog/claude-model-and-effort-level-in-claude-code
2•geoffbp•4m ago•0 comments

Rumik: Voice AI

https://rumik.ai/
1•handfuloflight•4m ago•0 comments

On-call Engineer 2026 by Kai Lentit [YouTube]

https://www.youtube.com/watch?v=sY1UqUuBqQQ
1•thinkmassive•4m ago•0 comments

Chinese memory and storage firm expected to more than 60k% jump in profits

https://www.tomshardware.com/tech-industry/chinese-memory-and-storage-firm-expected-to-post-more-...
1•rbanffy•6m ago•0 comments

I coded a shoot 'em up alone at 18 after learning Lua in a single week

1•DamixLord•7m ago•0 comments

Show HN: Backlog – tasks and contexts manager for AI coding agents

https://github.com/mazen160/backlog
2•mazen160•14m ago•0 comments

Show HN: Instant GraphRAG over any Postgres database

https://polygres.com
1•daleverett•15m ago•1 comments

Agent Name Service: The universal AI Agents identity system

https://opensourcewatch.beehiiv.com/p/agent-name-service-the-universal-ai-agents-identity-system
2•CrankyBear•18m ago•0 comments

The End of Compute Scarcity? Not So Fast

https://cloudedjudgement.substack.com/p/clouded-judgement-7326-the-end-of
1•gmays•19m ago•0 comments

Omnibaas, a provider-agnostic Infrastructure-as-Code compiler for BaaS services

https://github.com/davidecampora/Omnibaas
1•davidecampora•20m ago•1 comments

Waymo reports teen riders for bad behavior and delivers them to the police

https://www.latimes.com/business/story/2026-07-07/waymo-reports-teen-riders-for-bad-behavior-deli...
5•pilingual•21m ago•1 comments

Fable 5 wrote a Windows kernel in 38 minutes

https://tolmo.com/blog/when-the-model-writes-the-kernel/
2•adolfoabegg•21m ago•0 comments

An agent in 100 lines of Lisp

https://thebeach.dev/posts/lisp-agent/
3•jamiebeach•23m ago•0 comments

Acceleration without fuel: superconducting thruster uses Earth's magnetic field

https://www.space.com/technology/acceleration-without-fuel-revolutionary-superconducting-thruster...
1•svggrfgovgf•23m ago•1 comments

Rejected Emoji Proposals

https://charlottebuff.com/unicode/misc/rejected-emoji-proposals/
2•gaws•24m ago•1 comments

Get recommended a cheaper model with this skill

https://www.rightmodeler.com
1•piyussh•24m ago•0 comments

Private Messaging App Isn't WhatsApp or Signal, It's Delta Chat

https://lifehacker.com/tech/delta-chat-messaging-app-privacy
1•aslandb•25m ago•1 comments

Software can unlock 300 GW of capacity on US grid without building power plants

https://www.pv-magazine.com/2026/07/07/software-can-unlock-300-of-capacity-on-u-s-grid-without-bu...
1•philipkglass•25m ago•0 comments

Avatar Aang: The Last Airbender

https://www.youtube.com/watch?v=7b20GRFZBFE
1•skogstokig•27m ago•0 comments

The Opportunity Atlas: Mapping the Childhood Roots of Social Mobility [pdf]

https://opportunityinsights.org/wp-content/uploads/2018/10/atlas_paper.pdf
2•simonebrunozzi•28m ago•0 comments

Modder builds 8,192-core GPU at home out of RISC-V microcontrollers

https://www.tomshardware.com/maker-stem/modder-creates-8-192-core-gpu-at-home-out-of-risc-v-micro...
2•rbanffy•29m ago•0 comments

New Research: A "Verified" GitHub Commit Is Not Unique

https://www.internationalcyberdigest.com/new-research-a-verified-github-commit-is-not-unique/
1•yogthos•30m ago•0 comments

Meta's Teen Safety Case Just Became a $1.4T Existential Threat

https://gizmodo.com/metas-teen-safety-case-just-became-a-1-4-trillion-existential-threat-2000782306
3•colinprince•32m ago•1 comments

Satteri: A Markdown pipeline forged in Rust for the JavaScript world

https://satteri.bruits.org/
2•nateb2022•35m ago•0 comments

There Will Never Be Enough Compute

https://mithils3.substack.com/p/there-will-never-be-enough-compute
2•Mithil-Salunkhe•35m ago•0 comments

US manufacturers' energy costs soar because of AI data center demand

https://arstechnica.com/tech-policy/2026/07/us-manufacturers-energy-costs-soar-because-of-ai-data...
8•doener•37m ago•1 comments

Australia space agency has found 'likely source' of mystery space balls

https://www.bbc.com/news/articles/c1jyydr7jnjo
1•johnnyApplePRNG•37m ago•0 comments

Claude Cowork expands to mobile and web

https://techcrunch.com/2026/07/07/the-coding-agent-wars-are-spilling-into-the-rest-of-the-office-...
2•a_paddy•37m ago•1 comments

Ask HN: Do you have more or less than 1Mb text of your own writing?

1•cwmoore•37m ago•2 comments