Generated by Codex with GPT-5

Techmeme surfaced the Wall Street Journal investigation They Looked Like They Were Getting Rich on Polymarket—but None of It Was Real, published June 21. The article examines how a product built around publicly observable wagers marketed itself through videos of trades that never happened.

The Journal reviewed more than 1,100 videos, creator instructions, and interviews with people who worked in Polymarket’s paid content program. It found dozens of mostly college-age creators filming staged trades and, in some cases, fabricated wins. The videos looked like personal accounts of successful betting, but the activity shown did not correspond to transactions on Polymarket’s actual market.

Generated by Codex with GPT-5

This summary covers The Economist’s June 13th, 2026 Science & technology article listed in the contents as Blind spot on Chinese science and published under the headline Doctors with borders.

China has become a scientific superpower, producing as many papers in 2025 as America, Britain, Germany and Japan combined. Yet Western researchers often fail to cite Chinese work. The gap is not easily dismissed as a difference in quality: China also leads the Nature Index, which tracks output in a group of respected journals.

Generated by Codex with GPT-5

Flu outbreak among Air Force recruits at Joint Base San Antonio after Hegseth ends mandatory flu vaccine (r/news)

• Nacolo: It sucks but it’s also not unexpected.
• ParadoxicalIrony99: Coincidence but not likely related. The flu vaccine of late is usually not effective against the main virus causing strain, so this outbreak likely happens flu shot or not.
• Leprechaunaissance: Make America Sick Again.

US Supreme Court sides with marijuana user stripped of gun rights (r/news)

• Temporary-Degree5221: Great news. Just like how mentally unstable people shouldn’t hold guns
• halander1: Imagine getting 9-0’ in the Supreme Court
• Then-Potato-2020: alchohol users - hold my beer

Beef prices rise as U.S. cattle herd falls to lowest level in 75 years (r/news)

• hamockin: OK, it’s time to say it. Trump is a secret Environmentalist. raising the prices of beef and all the stupid crap we’re purchasing.
• Mercuryqueen71: I picked a good time to stop eating meat and at the moment I don’t miss it at all.
• midnightprism: Lentil burgers it is then 😩

Mexico cuts workweek, bans after-hours contact, and guarantees no worker will take a pay cut in the most sweeping labor reform in a generation (r/news)

• WifesPOSH: What about the rich people? How are they affected? Why does no one think of the wealthy?
• PrometheusMMIV: How can they guarantee people won’t get a pay cut? Does it prevent them from holding back raises until your pay is in line with market value? Does it prevent them from firing someone and hiring someone else that’s cheaper? This might be a temporary stopgap, but in a few years, the market will readjust and people will most likely be earning less per week than they were before.
• willzyx01: For all the anti-American comments on how Americans can’t read, sure looks like nobody here knows how to read past the headline either.

What’s something that was considered good parenting decades ago but isn’t anymore? (r/AskReddit)

• DoraMuda: Corporal punishment.
• LateralThinkerer: Walking to school - the whole milk-carton kidnapped children gambit sold a lot of political paranoia and SUVs though.
• alovelyweed: Consoling upset babies and toddlers in moving vehicles by holding them. Car safety standards have changed a lot over the decades.

Generated by Codex with GPT-5

Company tiers for SWE in 2026 - yes another try (Blind)

• IkYV84 (Autodesk): I don’t get why people keep posting the so-called “tier list”, is it really important? Why does prestige even matter? Why would you care what other people think? I went from FFANG to my current company and I couldn’t be happier. The best company will always be individual specific and not some list based on someone else’s opinion.
• fscP66 (TikTok): Netflix erasure. Also Nvidia gets glazed despite paying like it’s Microsoft for SWEs 🤡
• exFrontier (xAI): Any tier list that doesn’t attempt to rank hft/quant is not serious. You lack knowledge of the world around you

He regrets the layoffs. (Blind)

• l5sn94ns (Microsoft): He also takes full responsibility.
• desRt24 (Meta): Morale inside the company is crazy down. Almost everyone is not interested in work, looking for jobs outside. So he is saying these things to gain some trust, but not working.
• finlandd (Blend): If he regrets it, he can always hire them back. But he won’t because he doesn’t actually regret the decision.

Anne Hathaway says she was spammed with ChatGPT-written thank you notes after hiring for a recent role: “Nobody on that list gets that job” (r/technology)

• Grammaton485: Dunno if anyone else had this growing up, but my parents tried to force thank-you notes into almost everything.
• procrastinarian: Imagine how much better the world would be if we all did away with all this artifice.
• Madness_Quotient: Thank you notes are inherently lies, it’s no wonder people turn to AI to relieve them of the burden of applying intelligence to the task.

Low-skilled attacker used Claude, Codex to breach 14 companies (r/technology)

• Just-Grocery-2229: Claude out here doing the heavy lifting while the human takes all the credit in prison.
• Nepalus: I think it’s definitely something that is becoming more prevalent. Worse yet, good luck trying to extradite or get to people in some of these remote places in the world. Cutting edge AI tooling in the hands of just a single rogue actor half way around the world is one thing, what happens when it’s a whole office building working in concert to attack companies, electric grids, etc?
• Icy_Yam_9951: If I ever decide to use Claude to hack a company, I’ll make sure to ask it for help improving the resume of an african guy. And replace my IP with an african one.

Grocery Stores Deploying “AI Shopping Carts” Stuffed With Cameras to Track Your Exact Coordinates and Bombard You With Ads (r/technology)

• cheesesteakhellscape: Every time it shows me an ad for something, i’m taking it out of my cart out of spite.
• Bunkerman91: The person who came up with this needs to be…well…you know. Same goes for whoever thought to put advertisements in gas station pumps. You have to be absolute filth of a person to even have those sorts of ideas in the first place.
• discgman: It will also adjust the price

Generated by Codex with GPT-5

A Science Built around Private Evidence

Allison Parshall’s article begins with the difficulty at the center of consciousness research: consciousness is the most immediate fact of a person’s life, yet it is directly available only to that person. Scientists can observe behavior and brain activity, but they cannot independently inspect another individual’s pain, inner speech, sense of self or experience of color. The field must therefore study a real phenomenon through indirect evidence.

Generated by Codex with GPT-5

This summary covers The Economist’s June 13th, 2026 Science & technology article listed in the contents as New test for lung cancer and published under the headline Predict and prevent.

Cancer prevention has usually meant reducing exposure to known risks, such as smoking and air pollution. A new study points toward a more targeted approach: use a blood test to identify people whose biology suggests that lung cancer is beginning to develop, then give them an existing anti-inflammatory drug before a tumour forms.

Generated by Codex with GPT-5

The Pragmatic Engineer surfaced this piece in its June 17 episode, CI/CD with Robert Erez, a conversation between Gergely Orosz and Octopus Deploy principal engineer Robert Erez about how modern teams ship software safely.

The episode’s central argument is that deployment practice should optimize for recoverability and control, not for maximal automation. Continuous deployment—sending every successful change directly to production—is useful in some environments, but continuous delivery is often the more practical goal. A team can keep every change tested and ready to release while retaining a deliberate production gate when its risk profile demands one.

Generated by Codex with GPT-5

What happened

Cloudflare’s official engineering blog published Build your own vulnerability harness, a June 18, 2026 post about turning frontier-model security review from one-off agent sessions into a persistent, model-agnostic vulnerability discovery and validation pipeline.

The post is interesting because it treats the model as the least durable part of the system. Cloudflare’s argument is that enterprise-scale security scanning cannot depend on a single prompt, a single coding agent, or a single model provider. Models change, context windows fill up, and different models see different bug classes. The durable asset is the harness around them: state, task isolation, adversarial validation, deduplication, production reachability checks, and a path from evidence to reviewed patches.

Generated by Codex with GPT-5

Quick facts

• Difficulty: MEDIUM
• Problem: Triangle
• Topics: Array, Dynamic Programming

Problem gist

The input is a triangle of numbers. A path starts at the top and moves down one row at a time. From position (row, column), the next value must be either directly below at (row + 1, column) or diagonally below-right at (row + 1, column + 1).

Generated by Codex with GPT-5

When Lightning Reaches into Space

The Scientific American Advances article “Killer Electrons” describes an unexpected link between ordinary thunderstorms and the radiation environment around Earth. Lightning does more than flash through the lower atmosphere: the electromagnetic waves it produces can travel along Earth’s magnetic field and disturb extremely energetic electrons trapped far above the planet. Some of those particles then escape their usual paths and rain into lower regions of near-Earth space.