Astral Codex Ten’s Open Thread 456 lists meetup updates, a Boston election guide, an AI-grantmaking survey and new AI prediction market MNX.
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Open Thread 456
15 Best Halloween Picks for Movies, Decor, Costumes, and Treats in 2027
Compare 15 Halloween movies, decorations, costume accessories, and treats to find the right fit for your party, home, or movie night.
15 Best Science Books for Kids in 2027
Compare 15 science books for kids by age, format, subject, and reading style to find the right match for curious young learners.
5 Best Amazon Ring Doorbells and Cameras to Boost Your Home Security in 2027
Compare five Ring doorbells by video clarity, battery versus wired power, field of view, subscription needs, and which entryway each suits.
15 Best Microscope Slides for Students in 2027
Compare 15 microscope slides for students, from prepared specimen sets to blank, concave, and plastic slides, with guidance for classroom and home use.
6 Best Glow-in-the-Dark Chemistry Sets for Curious Kids in 2027
Compare six glow-in-the-dark chemistry sets for kids, from broad experiment kits to glowing candy projects, and find the right fit.
15 Best Crystal Growing Kits for Kids in 2027
Compare crystal growing kits for kids by project variety, display features, difficulty, and included activities to find the right fit.
Solar Surpasses Nuclear Power Globally For First Time
WNISR 2026 says solar generated more electricity than nuclear in 2025 as solar and wind growth outpaced a largely flat global nuclear fleet.
Bleached Corals Thrive Within Days When Touching Healthy Neighbour
A lab study found bleached coral fragments recovered after contact with healthy fragments from the same genet, through a tissue bridge.
12 Best Educational Halloween Science Kits for Spooky STEM Fun in 2027
Compare 12 educational Halloween science kits by age fit, experiment variety, spooky appeal, and setup needs to choose the right STEM activity.