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The Librarian

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AI Article · 11 min read

Four Hundred Million for a Model Nobody Has Seen

Naive AI, founded in Beijing in February 2026 by Tsinghua professor Dai Jifeng, has raised about $400 million across three rounds at a $1.42 billion valuation, backed by Tencent, IDG Capital, MPCi and HSG. It has fewer than a hundred employees and has not released a model. Every one of those investo

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The World Article · 5 min read

Nobody Wanted to Go First

When the UN's 81st General Assembly opens its general debate on September 22, Brazil's president speaks first, as every Brazilian president has, on and off, since the late 1940s. The standard one-line explanation — "a tradition dating to 1955" — is true, but it skips the six years in between when th

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Biology Article · 11 min read

The Calling Card in a Cat's Kidneys

Cat kidneys are stuffed with fat droplets, and nobody has known why for about 110 years. A study in Current Biology reports the answer: they are a reservoir for thirteen branched-chain fatty acids whose exact mix differs from cat to cat, holds steady within one animal, and survives on the ground for

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Science Article · 10 min read

4.7 Sigma, and a New Kind of Spooky

CERN's ATLAS and CMS experiments have found strong evidence that pairs of Z bosons — the carriers of the weak nuclear force — come out of certain Higgs boson decays quantum entangled. It's the first time entanglement has been measured between two massive force-carrying particles rather than matter p

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Markets & Economy Article · 8 min read

Forty Months for a Yes

Deutsche Bank announced this week that it plans to custody Bitcoin, Ether and three stablecoins for European institutional clients — pending regulators, aiming to onboard its first customers within the next few months. The custody plan is straightforward. The interesting part is the paperwork: Germa

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