December 2025 News
December 2025 Gwern.net newsletter with links on TODO
December 2025’s Gwern.net newsletter is now out; previous, November 2025 (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
Gwern.net: advanced poem typography; “editorial comment” syntax highlighting; inline encryption helper functions
Links
AI
“Olaf: Bringing an Animated Character to Life in the Physical World”, et al 2025 (PPO robot controller, with reward-shaping for temperature & noise reduction)
Genetics
Everything Is Heritable:
Recent Evolution:
Engineering:
Statistics/Meta-Science
Politics/Religion
“Diplomacy and domestic politics: the logic of two-level games”, 1988
“Highway to Hitler”, 2026 (infrastructure projects make good propaganda for authoritarian leaders regardless of economic benefits)
“Fraudulent Publishing in the Mathematical Sciences”, et al 2025; “Debunking When Prophecy Fails”, 2025; “Oliver Sacks Put Himself Into His Case Studies. What Was the Cost?” (Oliver Sacks’s case studies were heavily fictionalized); “‘I wish this guy hadn’t written this book’” (Joseph Mitchell, famed New Yorker writer, falsified some nonfiction profiles)
“E-cigarette Flavor Restrictions’ Effects on Tobacco Product Sales”, et al 2024
“High Court grants chancellor a £600m windfall” (looting The National Fund perpetuity)
Psychology/Biology
“Could Weight Loss Drugs Turn Fat Cats Into Svelte Ozempets? GLP-1 drugs for pets could be the next frontier for the blockbuster weight loss and diabetes drugs”; “Wegovy® pill approved in the US as first oral GLP-1 for weight management”, Novo Nordisk
“Achievements and Challenges in Facial Transplantation”, et al 2018
“Through the Looking Glass and What Alice Ate There”, 2002; “An Adventure in Stereochemistry: Alice in Mirror Image Land”, 2004; “Where ‘Things Go The Other Way’: The Stereochemistry of Lewis Carroll’s Looking-Glass World”, 2010
“Social Perceptions of Masculinity and Sexual Esteem Are Impacted by Viagra Use, Testosterone, and Sexual Performance”, et al 2024 (some obvious relationship advice for men here)
Vibrio natriegens: “Under optimum conditions, and all nutrients provided, the doubling time of V. natriegens can be less than 10 minutes.”
Technology
“Ironies of automation”, 1983
“30 years later: lessons from the Multics security evaluation”, 2002
“A Review of Criticality Accidents: 200026ya AD Revision”, et al 2000
“Masonry Techniques of the Inca’s Master Builders”, Tony L. 2025
“Towards an API for the real numbers”, 2020 (“good design is invisible”)
“Boléro: I perform Maurice Ravel on a variety of homemade 8-bit instruments”, Linus 2025
Economics
Philosophy
Fiction
“Postcard From 1952”, Explosions in The Sky (201214ya)
“The Cinnamon Peeler”, 1989
Books
Fiction:
Film/TV
Live-action:
White Christmas (195472ya)
Animated:
Nyaight of the Living Cat (dropped after 2 episodes; hopelessly insubstantial premise that could scarcely support a single episode—never mind a series—and the hack writers are inadequate to even that much)