XKCD 3199: Early Arthropods

Alt text: 'Ugh, I'm never going to be like spiders. My descendants will all just be normal arthropods who mind their own busines and don't do anything weird.' --The ancestor of a bunch of eusocial insects

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Optipess: Optipess

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War and Peas: The Longevity Hack

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XKCD 3200: Chemical Formula

Alt text: Some of the atoms in the molecule are very weakly bound.

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Nerf Now: Nerf NOW!! — Tough Crowd

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Safely Endangered: Men - Part 2

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XKCD 3201: Proof Without Content

Alt text: There's also a proof without content of a conjecture without content, but it's left as an exercise for the reader.

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Perry Bible Fellowship: Buzz

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False Knees: Grumpbeak (January 30, 2026)

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War and Peas: One Ring

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XKCD 3202: Groundhog Day Meaning

Alt text: Originally, the ceremony used a variety of rodents and mustelids, but over time most people agreed it made sense to standardize on a specific individual ground squirrel in Pennsylvania.

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Safely Endangered: Guest

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Cyanide and Happiness

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Nerf Now: Nerf NOW!! — Meta Chasers

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XKCD 3203: Binary Star

Alt text: The discovery of a fully typographical star system comes with a big asterisk.

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War and Peas: The King’s Art

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Safely Endangered: Time

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XKCD 3204: Dinosaurs And Non-Dinosaurs

Alt text: Staplers are actually in Pseudosuchia, making them more closely related to crocodiles than to dinosaurs.

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War and Peas: Classical Music

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Cyanide and Happiness

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