All articles by GPE Scientific
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PuzzleCryptic chemistry crossword #119
If you can complete this cryptic chemistry crossword, maybe we’ll ’arrange some red roses by return (5)’
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PuzzleChemistry wordoku #128
This sudoku-inspired puzzle contains a class of chemicals that got the Nobel nod
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PuzzleCryptic chemistry crossword #118
’Laze around in fun condition (9)’ while you complete this cryptic chemistry crossword
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PuzzleQuick chemistry crossword #101
Indian and Danish physicists meet British astronomers and evolutionary biologists in this quick chemistry crossword
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PuzzleJanuary 2026 puzzles
Download the puzzles from the January 2026 print issue of Chemistry World
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PuzzleCryptic elements jumbo CrOsSWORd 2025
Solve this particularly puzzling crossword and you’ll feel like a ’King who’s rich within (5)’
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PuzzleChemistry wordoku #124
You may need to go out of your depth to find the seawater-studying geochemist hidden in this sudoku-inspired puzzle
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PuzzleCryptic chemistry crossword #116
We hope that doing our cryptic chemistry crosswords isn’t ’Pure torture now and again (4)’
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PuzzleCryptic chemistry crossword #115
Can you find the ’Odd extra letter (3)’ in this cryptic chemistry crossword?
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PuzzleDecember 2025 puzzles
Download the puzzles from the December 2025 print issue of Chemistry World
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PuzzleCryptic chemistry crossword #114
’Some find I got colour (6)’, but will you find the solutions to this cryptic chemistry crossword?
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PuzzleCryptic chemistry crossword #113
‘Finished some hoovering (4)’? Then you’ll have time for this cryptic chemistry crossword
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PuzzleChemistry wordoku #121
Discover the Australian Nobel laureate hidden in this sudoku-style puzzle