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Hard Sci-Fi Lovers
— 168 members
— last activity Jan 25, 2026 05:49AM
Tired of all this space fantasy nonsense? Ever rolled your eyes at a book's description of light-speed travel or movies with oxygen free fires burning ...more
The Brain and Mind
— 4517 members
— last activity Jul 25, 2026 05:43PM
This is a group for readers to recommend and discuss books related to real and/or artificial brains. Categories include but are not limited to: neuros ...more
Johan’s 2025 Year in Books
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