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  1. Last 7 days
    1. An unreleased research version of Claude has improved on a longstanding lower bound for the fraction of zeros of the Riemann zeta function that satisfy the Riemann hypothesis.

      把常数从 41.6% 推到 67.2%,是一次真实的定理推进,但要注意它落在证据谱系里最轻的一档:纯数学、纯符号推演,正确性靠 Lean 形式化自证,不需要任何外部实验或第三方机构复现。和同期用湿实验背书的蛋白结合剂结果不在一个量级,别混着当同一种「AI 做科学」的证据用。

  2. Sep 2025
    1. Issuers also have an opportunity to include projects to work on or an assessment so learners can apply and better retain what they are learning. 92% of learners want this but only 34% of issuers offer this.

      We know that this is a high impact strategy (applying learning helps students get jobs that pay well) and learners say they want it. Yet only a third of us offer it.

  3. Oct 2023
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  9. Jul 2020