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BestSociety & Culture2026.07.14
The Greedy City
The bigger the city, the saying goes, the more people have and the less it satisfies them. A house wider than the neighbor's; the nagging need to at least keep…
14 min read·✓ Fact & code verified
BestEconomy2026.07.12
When a Bonus Rides on the Dashboard — A Metric Stops Reflecting the World and Becomes an Engine
Picture someone at the wheel. If a bonus rides on the speed number on the dashboard, the driver drives to raise the number rather than to actually go faster. He…
24 min read·✓ Fact & code verified
BestAI2026.07.12
Catastrophic Forgetting — The Brain Learns by Forgetting; the Machine Stores Where It Learns, and Collapses
Take a neural network that, trained on 100 photos of dogs, picked out dogs flawlessly, and teach it cats. Within a few rounds of training it learns cats. But th…
27 min read·✓ Fact & code verified
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When the market breaks, it picks the names that have fallen too far and rides the brief bounce back u…25 min read·✓ Fact & code verifiedAI2026.07.18Running a Local LLM on a Fanless MacBook Air M5 — The Real Wall Is Memory, Not HeatBefore the main argument, this is all you need.20 min read·✓ Fact & code verifiedAI2026.07.18MiroFish — Before Asking Whether It Predicts, Ask What It's a Scale Model OfPaste in a single news article. A moment later, tens to thousands of artificial agents wake up, each carrying its own personality and motives, and begin chatter…22 min read·✓ Fact & code verifiedAI2026.07.17The 'Lax' One Pulled the Plug FirstOn 15 July, the emotional-companion (AI conversational-partner) features vanished from the Chinese AI apps Doubao and Tongyi Qianwen. Deletion deadlines were pi…19 min read·✓ Fact & code verifiedEconomy · 증시2026.07.16[Feature: Market Wrap] Seoul Bought the Memory Rally. New York Sold Half of It Back That NightSeoul surged on Wednesday (July 15). 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The injected cells settle at the site of injury…16 min read·✓ Fact & code verifiedEconomy · 증시2026.07.14[Feature: Market Wrap] Same Shock, Only Seoul Broke — KOSPI -8.95% Trips the Circuit Breaker, New York Slips Just -1.55%On Monday (July 13), a single epicenter shook both Seoul and New York — but the two markets absorbed it very differently. Over the weekend, the armed conflict b…9 min read·✓ Fact & code verifiedTech & Science · 바이오2026.07.12How Does the Immune System Know "Me"? — The Self Is Not an ID Badge It Recognizes but Something It MakesThe first picture in an immunology textbook is usually a border patrol. Nearly every cell in the body wears a kind of ID badge on its surface, and patrolling im…15 min read·✓ Fact & code verifiedTech & Science · 바이오2026.07.11Passed Phase 3, Blocked Three Times at Approval: Dissecting Rivoceranib's FDA GateA cancer that starts in the liver grows by recruiting new blood vessels. 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Transplant organs are always…10 min read·✓ Fact & code verifiedEconomy · 거시경제2026.07.02The Reason Bitcoin Can't Be a Monetary Standard Isn't Volatility"The dollar was backed by gold, then by oil, so now it's Bitcoin's turn." Questions about a monetary standard usually stand on this three-step narrative. Half o…20 min read·✓ Fact & code verifiedEconomy · 경제사상2026.07.02[Special] What Survived in Behavioral Economics — The Stars the Replication Crisis Toppled Were Mostly Social PsychologyOne discipline won the Nobel Prize in Economics twice — Daniel Kahneman in 2002, Richard Thaler in 2017. Its founding paper, prospect theory, ranks among the mo…24 min read·✓ Fact & code verifiedEconomy · 증시2026.07.02[Feature: Market Wrap] Chips Lifted the Rally; Chips Led It Back DownThe first trading day of the second half — and of Q3 — is behind us. What made New York close its best quarter since 2020 the day before (June 30) was semicondu…7 min read·✓ Fact & code verifiedEconomy · 증시2026.07.01[Feature: Market Wrap] The First Half: Risk Assets Cheered, Bonds and the Dollar Hit the BrakesOn the last trading day of the first half of 2026, New York closed the half-year ledger with all four major indices up together. The S&P 500 and Nasdaq posted t…9 min read·✓ Fact & code verifiedInvesting2026.06.30[Feature: Hindsight] The Most Famous Call Was the Most Wrong — A Post-Mortem on 2024 AI-Chip Price TargetsOn 15 September 2024, Morgan Stanley double-downgraded SK Hynix. The price target went from 260,000 won to 120,000 won — down 54% — and the rating went from Top…13 min read·✓ Fact & code verifiedInvesting2026.06.29What Ends the Cycle First Is Demand, Not Supply — Peak Margin Is the Starting Line of Mean ReversionMicron posted its highest quarterly gross margin ever, 84.9%, and in that very earnings call said that price increases would "moderate meaningfully." SK Hynix's…15 min read·✓ Fact & code verifiedSociety & Culture · 미디어2026.06.29Who Chose That Hour Last Night?"Our attention has fallen shorter than a goldfish's, so we only watch short things." It's the most familiar sentence used to explain the short-form craze. Yet t…10 min read·✓ Fact & code verifiedIndustry2026.06.29Streaming Won, but There Are Two KingsIn December 2025, streaming hit an all-time high, taking 47.5% of US TV viewing. It's easy to read this as "a total win for OTT." 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The KOSPI Is Now Two CompaniesOn 22 June, SK hynix overtook Samsung Electronics to close at number one by market capitalization on the KOSPI — South Korea's benchmark equity index — at ₩2,07…12 min read·✓ Fact & code verifiedInvesting2026.06.27Bitcoin ETFs: The Outflows Stopped, the Price Won't FollowThe longest redemption run since launch. From 15 May to 3 June, the U.S. spot Bitcoin ETFs bled roughly $4.4 billion over 13 straight trading days—the longest s…7 min read·✓ Fact & code verifiedInvesting2026.06.27Passive Crossed Half the Market. Who Took Over the Judgment?An index fund is not a promise to beat the market. It is a promise to buy it—to hold whatever the index holds, without asking what is dear and what is cheap. Fo…9 min read·✓ Fact & code verifiedSociety & Culture · 미디어2026.06.27What I'll Want, and Who I Handed It ToLast night I watched something for over an hour. I remember what I watched; I don't remember why I started. 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