High-speed footage reveals shoe squeaks can start with a tiny bolt of lightning — plus, evidence that a debated brain phenomenon exists in humans.
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So here’s the report we can make to Mr. Chesterton: for-profit scientific publishers arose to solve the problem of producing physical journals. The internet mostly solved that problem. Now the publishers are the problem. These days, Springer Nature, Elsevier, Wiley, and the like are basically giant operations that proofread, format, and store PDFs. That’s not nothing, but it’s pretty close to nothing.。业内人士推荐PDF资料作为进阶阅读
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