XKCD 3135: Sea Level

Alt text: They're up there with coral islands, lightning, and caterpillars turning into butterflies.

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Cyanide and Happiness

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Sarah's Scribbles: Sarah's Scribbles
Source: Sarah's Scribbles

War and Peas: Cause of Death

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Optipess: Optipess

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Cyanide and Happiness

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XKCD 3136: Pull

Alt text: Be careful fighting gravity. If you win, it's a long way down.

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The Oatmeal: Silly pumpkin face

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XKCD 3137: Cursed Number

Alt text: Another group of mathematicians is working to put an upper bound on the number, although everyone keeps begging them to stop.

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Nerf Now: Nerf NOW!! — Crossworlds

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Poorly Drawn Lines: Poorly Drawn Lines

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XKCD 3138: Dimensional Lumber Tape Measure

Alt text: A person with two watches is never sure what time it is, especially if I got them one of the watches.

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War and Peas: Harvest Moon Print Drop 🌻🍂✨

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War and Peas: Full House

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XKCD 3139: Chess Variant

Alt text: The draw-by-repetition rule does a good job of keeping players from sliding a tile back and forth repeatedly, but the tiles definitely introduce some weird en passant and castling edge cases.

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War and Peas: Therapy Plants

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Nerf Now: Nerf NOW!! — Perfect Disguise

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