https://www.chemistryworld.com/puzzles/chemistry-wordoku-137/4023188.article
Chemistry wordoku #137 | Puzzle | Chemistry World
Mar 26, 2026 - Clear up the puzzle to find the chemist known for cleaning up the air
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Science-themed puzzles, chemistry crosswords and wordoku | Chemistry World
Chemistry wordoku, quick and cryptic science-themed interactive crosswords to confound the curious
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https://www.chemistryworld.com/puzzles/chemistry-wordoku-133/4023125.article
Chemistry wordoku #133 | Puzzle | Chemistry World
Mar 13, 2026 - The word hidden in this sudoku-style puzzle solution is simply out of this world!
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https://www.chemistryworld.com/puzzles/chemistry-wordoku-135/4023186.article
Chemistry wordoku #135 | Puzzle | Chemistry World
Mar 26, 2026 - Mine the metallic element hidden in this sudoku-inspired puzzle
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