| Clue | Source | Date |
|---|---|---|
| Chaos theory phenomenon * | The Telegraph Cross Atlantic | 25 May 2025 |
| Concept that trivial events might have big consequences | USA Today | 26 May 2024 |
| The huge difference a comma can make? | The Guardian Cryptic | 11 Mar 2024 |
| Subject of this puzzle, as suggested visually by its central black squares | New York Times | 30 Aug 2020 |
| Concept that small changes can have large consequences, as in theoretical time travel | LA Times Daily | 02 Mar 2016 |
| Element of chaos theory | ||
| *Chaos theory principle | ||
| *Chaos theory principle | ||
| Chaos theory principle | ||
| Chaos theory principle |