All articles by Lab Innovations
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PuzzleCryptic chemistry crossword #103
Take some time to solve this crossword before you ’start preparing her introductory letter (3)’
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PuzzleCryptic chemistry crossword #102
While completing this puzzle, perhaps you would enjoy some ’cheese made to order (4)’?
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PuzzleChemistry wordoku #110
Solve this sudoku-style puzzle and unscramble the 18th century chemist
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PuzzleSeptember 2025 puzzles
Download the puzzles from the September 2025 print issue of Chemistry World
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PuzzleCryptic chemistry crossword #101
Ruminate about extremely tense stage (7) while you complete this cryptic chemistry crossword
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PuzzleCryptic chemistry crossword #100
Order shiny peas? Very difficult! (9) – are you up to the challenge of this cryptic crossword?
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PuzzleChemistry wordoku #107
Search for the scientist who specialises in synthesis in this sudoku-style puzzle
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PuzzleCryptic chemistry crossword #099
A little gammon may be damaging (4), but this cryptic chemistry crossword can’t hurt you
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PuzzleCryptic chemistry crossword #098
Lay aside leathery liquid (5) and spend some time on this cryptic crossword
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PuzzleQuick chemistry crossword #098
From a mission to Saturn’s moons to a marine mollusc, this quick chemistry crossword will test your knowledge
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PuzzleCryptic chemistry crossword #097
Stretch some winning sides (7) and see if you can complete this week’s cryptic chemistry crossword
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PuzzleChemistry wordoku #105
The author of the first text on chemistry is written through this sudoku-style puzzle
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PuzzleQuick chemistry crossword #097
This quick chemistry crossword condenses clouds of ions, a dash of Queen Anne’s lace, and a liqueur-laced current into one electrifying challenge.
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CareersHow I became the crossword compiler for Chemistry World
Paul Board has been setting Chemistry World’s crosswords for over 15 years. To celebrate the centenary of the (fully) cryptic crossword, he explains his crossword setting process and dissects some of his favourite science-based clues
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PuzzleCryptic chemistry crossword #096
This puzzle might give you a ‘happy moment when working’ (6)