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Sanity Check by Heron

Heron

Puzzles, paradoxes, and the fights the internet can't settle. Three minutes a read, no jargon, pick a side first.

30 math puzzles where the fast answer is wrongPuzzles3 min read30 math puzzles where the fast answer is wrongEight balls and one balance scale, a log that needs five cuts, and a room where 99% turns out to be a single person.HeronBy HeronSep 4, 2026The Monty Hall problem: switch, and you win twice as oftenParadoxes3 min readThe Monty Hall problem: switch, and you win twice as oftenPlay the three-door game from the movie 21, then see why switching wins 2 times in 3, and the line Ben brushed off.HeronBy HeronSep 1, 202611 math riddles that fool smart adultsRiddles3 min read11 math riddles that fool smart adultsA snail in a well, a missing dollar, and a brick that weighs itself. The numbers lie first, the wording lies second.HeronBy HeronAug 31, 202613 Halloween riddles that trick your brainRiddles3 min read13 Halloween riddles that trick your brainCandy-math traps, doubling vampires, and classic trick questions. Six warm-ups, then the mean ones.HeronBy HeronAug 30, 20268÷2(2+2) = ? The viral equation that broke the internetViral math3 min read8÷2(2+2) = ? The viral equation that broke the internetHalf the internet picked a side. Both camps have a point, and the real villain has been hiding in plain sight.HeronBy HeronAug 29, 2026