All Puzzles articles

Puzzle

Cryptic chemistry crossword #152

2026-09-25T13:30:00Z Sponsored by Lab Innovations, By Paul Board

Mythical creatures, termites and immature British polymaths feature in this week’s cryptic chemistry crossword

Puzzle

Chemistry wordoku #161

2026-09-25T13:15:00Z Sponsored by Lab Innovations

Discover the reaction hidden in the solution to this sudoku-inspired puzzle

Puzzle

Chemistry wordoku #160

2026-09-18T13:30:00Z Sponsored by Lab Innovations

This chemistry wordoku takes a look back at a chemical once sprayed on a kitchen staple

Puzzle

Quick chemistry crossword #109

2026-09-18T13:15:00Z Sponsored by Lab Innovations, By Paul Board

Consider yourself a person learned in the secrets of alchemy when tackling this quick chemistry crossword

Puzzle

Cryptic chemistry crossword #151

2026-09-18T13:00:00Z Sponsored by Lab Innovations, By Paul Board

You may find the clues to this cryptic chemistry crossword ’very dry but right blend (4)’

Puzzle

Quick chemistry crossword #108

2026-09-11T13:30:00Z Sponsored by Lab Innovations, By Paul Board

Understanding Einstein’s most famous equation will guide you in this quick chemistry crossword

Puzzle

Cryptic chemistry crossword #150

2026-09-11T13:15:00Z Sponsored by Lab Innovations, By Paul Board

Hilf mir bei diesem Kreuzworträtsel! ‘Sounds like a plea from the German chemist (5)’

Puzzle

Chemistry wordoku #159

2026-09-11T13:00:00Z Sponsored by Lab Innovations

This chemistry wordoku contains a chemist working to help understand Alzheimer’s and Parkinson’s disease

Puzzle

Cryptic chemistry crossword #149

2026-09-04T13:00:00Z Sponsored by Lab Innovations, By Paul Board

‘A bet to get you agitated? (8)’ I wager you can’t complete this cryptic chemistry crossword

Puzzle

Chemistry wordoku #158

2026-09-04T13:00:00Z Sponsored by Lab Innovations

This chemistry wordoku may take some detective work!

Puzzle

September 2026 puzzles

2026-09-01T08:00:00Z Sponsored by Lab Innovations

Download the puzzles from the September 2026 print issue of Chemistry World

Puzzle

Cryptic chemistry crossword #148

2026-08-28T13:30:00Z Sponsored by Lab Innovations, By Paul Board

Practicing cryptic chemistry crosswords ‘Endlessly teaches learner to bond (7)’

Puzzle

Chemistry wordoku #157

2026-08-28T13:00:00Z Sponsored by Lab Innovations

Enter the world of quaisicrystals to solve this chemistry wordoku!

Puzzle

Chemistry wordoku #156

2026-08-21T13:30:00Z Sponsored by Lab Innovations

This chemistry wordoku can be found helping convert water to oxygen in photosynthesis!

Puzzle

Cryptic chemistry crossword #147

2026-08-21T13:15:00Z Sponsored by Lab Innovations, By Paul Board

Can you find all the solutions to this cryptic chemistry crossword, even the ‘Sparky footballer? (7)’

Puzzle

Cryptic chemistry crossword #146

2026-08-14T13:30:00Z Sponsored by Lab Innovations, By Paul Board

While you complete this cryptic chemistry crossword, ‘I’ll dance around Ella endlessly with this old battery (7, 4)’

Puzzle

Chemistry wordoku #155

2026-08-14T13:30:00Z Sponsored by Lab Innovations

This chemistry wordoku spotlights a chemist whose contributions include ideas about teaching through discovery lab work!

Puzzle

Quick chemistry crossword #107

2026-08-14T13:15:00Z Sponsored by Lab Innovations, By Paul Board

Understanding Einstein’s most famous equation will guide you in this quick chemistry crossword

Puzzle

Chemistry wordoku #154

2026-08-07T13:15:00Z Sponsored by Lab Innovations

This chemistry wordoku takes it lead from an expert in bioconjugates in human health!

Puzzle

Cryptic chemistry crossword #145

2026-08-07T13:00:00Z Sponsored by Lab Innovations, By Paul Board

‘Regular retreat taking an age? (3)’ here’s a cryptic chemistry crossword to do while you wait