Compare four Halloween science books for kids, from hands-on experiments to spooky STEM activities, with clear guidance on age fit and tradeoffs.
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4 Best Halloween Science Books for Kids in 2027
10 Best Fossil Collection Kits for Kids in 2027
Compare 10 fossil collection kits for kids, from hands-on excavation sets to ready-to-sort fossil collections, with picks for different ages and interests.
14 Best Language Learning Workbooks for Adults in 2027
Discover the best language learning workbooks for adults in 2027. Compare grammar, vocabulary, and methodology to find the right fit for your study goals.
San Francisco Meetup This Saturday
Astral Codex Ten announced a free, open meetup at Mox in San Francisco on Saturday, Oct. 24, with a possible Q&A by the blog’s author.
14 Best Chemistry Sets for Students in 2027
Compare chemistry sets for students by age, experiment depth, model-building value, and classroom fit to find the right match for learning.
Tiny Possum And Glider Thought Extinct For 6000 Years Found In Remote West Papua
Researchers report living pygmy long-fingered possums and ring-tailed gliders in remote West Papua, species thought to have disappeared thousands of years ago.
15 Best Astronomy Telescopes for Beginners in 2027
Compare 15 beginner astronomy telescopes by aperture, mount, portability, guidance features, and ease of use to find the right fit.
12 Best Biology Lab Notebooks for Organized Research in 2027
Compare 12 biology lab notebooks by copy format, ruling, binding, size, and usability to find the right fit for coursework or research.
Open Thread 456
Astral Codex Ten’s Open Thread 456 lists community updates, an AI safety grantmaking survey and a new real-money AI prediction market.
Microscope Accessories Checklist for 2026
This checklist is for students, educators, and curious hobbyists assembling a practical…
