Scientific American 202504 Why People Like Expressive Faces Summary

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A poker face can be useful at a card table, but ordinary social life rewards a different strategy. Scientific American’s April 2025 article “Why People Like Expressive Faces” argues that smiles, raised eyebrows, frowns and other facial movements do more than advertise emotion. They make a person easier to interpret, and that apparent readability can make others like them more.

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Techmeme 20260814 Computer History Summary

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Techmeme surfaced OpenAI’s August 14 documentation for Computer History, a macOS feature that turns activity across apps and websites into a timeline and memories that ChatGPT and Codex can use. The original URL is OpenAI’s documentation page, which explains both the workflow and the privacy model.

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The Economist 20260718 Turning the soil Summary

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China’s property slump has forced local governments to rethink a development model that once seemed inexhaustible. For years, cities raised cash by selling land for new construction. With home prices down and developers retreating, that source of revenue has collapsed. Officials are now looking inward: cataloguing public property, repairing neglected sites and trying to earn more from assets the state already owns.

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2026-08-13 Social General Briefing Summary

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Tim Hortons employee won’t face criminal charges in death of customer (r/news)

Two people are dead after a military helicopter crashes in Texas, sparking a fire (r/news)

People over 35: What is something you invested a massive amount of time or money into in your 20s that turned out to be a complete waste? (r/AskReddit)

Married people of Reddit, what’s your most unhinged marriage hack? (r/AskReddit)

For example: putting off making an appointment with the dentist? “I’m the boss of you and I say you have to call them.” Boom, gotta call the dentist, the boss said so.

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2026-08-13 Social Tech Briefing Summary

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Staff is the new Senior now (Blind)

Being polite to LLMs (Blind)

I see the people whose prompts are abusive and cruel and wonder how damaged they are to be like that and I bet they would treat humans the same way if they could. Power over another shows a person’s true nature, frequently.](https://www.teamblind.com/post/being-polite-to-llms-jx0goiws#comment-51665866)

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LeetCode MEDIUM 227 Basic Calculator II Summary

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Quick facts

Problem gist

The input is a valid arithmetic expression containing non-negative integers, spaces, and the four operators +, -, *, and /. The task is to evaluate it without using eval or a similar built-in expression evaluator. Multiplication and division must happen before addition and subtraction, and integer division must truncate toward zero.

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Scientific American 202505 The Hidden Costs of Men’s Social Isolation Summary

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Social isolation is usually framed as a private injury: a person lacks close friends and suffers the consequences. Psychologists Angelica Puzio Ferrara and Dylan Vergara argue that this picture is incomplete. When a man’s social world narrows, the women closest to him may become responsible for holding it together, often at a cost to their own time, autonomy and well-being.

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Techmeme 20260813 In a First US Will Allow Some Private Firms to Carry Out Cyberattacks Summary

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Techmeme surfaced TechCrunch’s August 13 report, “In a first, US will allow some private firms to carry out cyberattacks.” The article examines an August 12 presidential memorandum that creates a federal program for vetted American companies to conduct offensive cyber operations against foreign criminal organizations.

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The Economist 20260718 Carbon tax me, but not yet Summary

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The European Union’s carbon market was designed to make pollution expensive without prescribing exactly how firms should cut it. That elegant idea is now colliding with industrial politics. As carbon permits become scarcer and costlier, governments fear that the policy meant to clean up European production will instead push factories, jobs and investment elsewhere.

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2026-08-12 Social General Briefing Summary

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Multiple USS Abraham Lincoln sailors have tried to go overboard amid extended deployment, families say (r/news)

AP Exclusive: ICE plans to give officers gloves that can deliver painful electric shocks (r/news)

ICE agents will use this list like a bingo card.](https://www.reddit.com/r/news/comments/1vlxppb/comment/p3555l8/)

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