January 2025 News
January 2025 Gwern.net newsletter with links on TODO
January 2025’s Gwern.net newsletter is now out; previous, December 2024 (archives). This is a collation of links and summary of major changes, overlapping with my Changelog; brought to you by my donors on Patreon.
Writings
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Gwern.net:
italicizer.py
: automatically add appropriate italics to plain text strings lacking them, like book titles -
Github popups?
Links
AI
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“DeepSeek-R1: Incentivizing Reasoning Capability in LLMs via Reinforcement Learning”, et al 2025; “On DeepSeek and Export Controls”, Dario Amodei
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“20 Years of Bitext”, Peter Brown & Bob Mercer 201312ya (on early NMT, n-grams, finding & cleaning large linguistic corpora)
Genetics
Everything Is Heritable:
Recent Evolution:
Engineering:
Statistics/Meta-Science
Politics/Religion
Psychology/Biology
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“GLP-1 programs the neurovascular landscape”, et al 2024
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20% weight loss in preliminary ‘MariTide’ drug trial results
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“The Effects of Diagnosing a Young Adult with a Mental Illness: Evidence from Randomly Assigned Doctors”, et al 2023
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“Agnosia, alexia and a remarkable form of amnesia in an adolescent boy”, Vargha-Khadem et al 199431ya (the boy who can’t remember his memories, but can write them down)
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“Seasonal Hair Growth in the Adult Domestic Cat (Felis catus)”, Hendriks et al 199728ya (a cat will shed its weight in fur every ~31 years)
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“Hoover damn! A brief look at sexual injury by vacuum cleaners”; “Hoovers and shakers: Another look at vacuum cleaner sex”
Technology
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“The Little Can That Could”, Daniel 198738ya (‘good design is invisible’: how American & British engineers reinvented the German jerrycan poorly because they didn’t understand its requirements nor solutions)
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“Unbundling Tools for Thought”, 2022; “Why Working on ‘Tools For Thought’ Fails: Lots of Working for the Tools, Not Much Thought”
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It is unknown whether Newtonian orbital mechanics is Turing-complete
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“Regex Chess: A 2-ply minimax chess engine in 84,688 regular expressions”, Nicholas 2025 (writing & compiling to a VM for regexp-based loop-free programming)
Economics
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“The Effect of Financial Resources on Fertility: Evidence from Administrative Data on Lottery Winners”, et al 2022 (fertility is not about wealth)
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“The Lifetime Costs of Bad Health”, De et al 2024
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“Organizational Barriers to Technology Adoption: Evidence from Soccer-Ball Producers in Pakistan”, et al 2018 (challenges to efficiency improvements: insider sabotage)
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“Subjective Job Insecurity and the Rise of the Precariat: Evidence from the United Kingdom, Germany, and the United States”, 2024 (precarity: neither objectively nor subjectively increasing?)
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The more useful “Cardinal-valued Secretary problem”: set the threshold after √n candidates, not n⧸e
Philosophy
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“Cultivating a state of mind where new ideas are born”, Henrik 2023 (how do you come up with good questions, not answers?)
Miscellaneous
Fiction
Books
Fiction:
Film/TV
Live-action:
Animated: