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Wednesday, December 17, 2025

Hey buddy, Long time no talk! Just wanted to quickly tell you about some wild stuff I saw on Hacker News today, December 17, 2025. It was a pretty busy day for tech news.

Google's New AI: Gemini 3 Flash

First up, Google dropped their new AI, Gemini 3 Flash. Sounds like it's built for speed, as the name suggests. People in the comments were saying the user interface is way better, and it uses these specialized "sub-agents" to handle different tasks. Someone even said it's "good enough," kinda like how Claude 3.5 felt a while back, hinting that maybe the massive AI leaps are getting a bit smaller now that things are maturing. Check it out here: Gemini 3 Flash

AWS CEO on Junior Devs and AI

This one was interesting: the AWS CEO came out saying that replacing junior developers with AI is "one of the dumbest ideas." He thinks juniors bring so much more than just code – they learn, they test, they understand requirements, and they're essential for growing talent. The comments had a good debate going, with some staff engineers agreeing that juniors are vital for the whole engineering pipeline, not just for simple tasks. Read more here: AWS CEO on junior devs

Is Mozilla Killing Firefox?

There was a big, juicy post titled "Is Mozilla trying hard to kill itself?" It got a ton of comments, people are really passionate about Firefox. It's basically about folks feeling like Mozilla is making some weird choices that might hurt its future. One cool thing from the comments was how some people are actually ready to pay for a good, private browser these days, because of all the ads and data tracking everywhere else. It really makes you think about the value of privacy. Here's the link: Is Mozilla trying hard to kill itself?

Hacker News Itself Went Down!

Haha, get this: Hacker News itself was down for a bit today! Everyone noticed, and there was a whole thread about it. The main admin, "dang," even popped in to say they were working on it. People were sharing how they figured it out – like when comments were disabled or their login wasn't working. It was a funny moment of collective techie panic. You can see the thread here: HN was down

Coursera and Udemy are Merging

Big news in the online education world: Coursera and Udemy are combining forces! Sounds like they're gearing up to empower the "global workforce with skills for the AI era." The comments were a mix, with some folks talking about how quickly technology moves and the need for constant security updates in software, and others discussing the importance of foundational knowledge versus chasing the latest trends. It's a big move for online learning. Check out the announcement: Coursera to combine with Udemy

Gut Bacteria Fighting Cancer

This one's pretty wild and cool: Scientists have apparently used gut bacteria from amphibians and reptiles to eliminate tumors in mice! I know, right? It's super early research, but imagine if this could work for humans. Comments were really hopeful, with people discussing the complexity of cancer and our body's natural defenses. Someone mentioned how anaerobic bacteria could specifically target oxygen-deficient tumors. Fingers crossed for this one! Here's the article: Gut bacteria for tumor elimination

My Server Was Hacked to Mine Monero

And finally, a real-world security scare: someone's Hetzner server got hacked and was secretly mining Monero. The author shared their whole experience and what they learned. A couple of interesting points from the comments: a reminder that "Docker is not a security boundary" (always good to remember!), and one person even joked that mining malware is almost like a "bug bounty program you don't have to manage" because it makes vulnerabilities obvious without causing too much damage. Definitely a good read for anyone running servers: Hetzner server hacked

Anyway, gotta run, just wanted to give you the quick download! Catch you later!

All Stories from Today

Gemini 3 Flash: Frontier intelligence built for speed (blog.google)

AWS CEO says replacing junior devs with AI is 'one of the dumbest ideas' (www.finalroundai.com)

Is Mozilla trying hard to kill itself? (infosec.press)

Tell HN: HN was down (news.ycombinator.com)

Coursera to combine with Udemy (investor.coursera.com)

Gut bacteria from amphibians and reptiles achieve tumor elimination in mice (www.jaist.ac.jp)

I got hacked: My Hetzner server started mining Monero (blog.jakesaunders.dev)

A Safer Container Ecosystem with Docker: Free Docker Hardened Images (www.docker.com)

How SQLite is tested (sqlite.org)

A16z-backed Doublespeed hacked, revealing what its AI-generated accounts promote (www.404media.co)

AI's real superpower: consuming, not creating (msanroman.io)

OBS Studio Gets a New Renderer (obsproject.com)

Yep, Passkeys Still Have Problems (fy.blackhats.net.au)

Tesla reports another Robotaxi crash (electrek.co)

FCC chair suggests agency isn't independent, word cut from mission statement (www.axios.com)

Pornhub extorted after hackers steal Premium member activity data (www.bleepingcomputer.com)

Developers can now submit apps to ChatGPT (openai.com)

Firefox is becoming an AI browser and the internet is not at all happy about it (www.pcgamer.com)

TLA+ Modeling Tips (muratbuffalo.blogspot.com)

The State of AI Coding Report 2025 (www.greptile.com)

Introduction to Software Development Tooling (2024) (bernsteinbear.com)

US threatens EU digital services market access (twitter.com)

Linux Kernel Rust Code Sees Its First CVE Vulnerability (www.phoronix.com)

Why do commercial spaces sit vacant? (archive.strongtowns.org)

American Academy of Pediatrics loses HHS funding after criticizing RFK Jr. (www.washingtonpost.com)

AI Isn't Just Spying on You. It's Tricking You into Spending More (newrepublic.com)

Inside PostHog: SSRF, ClickHouse SQL Escape and Default Postgres Creds to RCE (mdisec.com)

Show HN: Learn Japanese contextually while browsing (lingoku.ai)

Ask HN: Was HN just down for anyone else? (news.ycombinator.com)

Show HN: High-Performance Wavelet Matrix for Python, Implemented in Rust (pypi.org)