| Clue | Source | Date |
|---|---|---|
| Sit on (eggs) | The Times Concise | 26 Feb 2022 |
| Develop a bug for country consumed by knowledge that's of value to spies, mostly | Irish Times Crosaire | 04 Aug 2021 |
| Sit on eggs | Family Time | 22 Sep 2019 |
| Sit on eggs | The Sun Two Speed | 18 Aug 2019 |
| Brood in Caribbean republic given note | The Sun Two Speed | 18 Aug 2019 |
| Brood over note in Caribbean republic | The Telegraph Toughie | 12 Jul 2018 |
| Develop gradually | Wall Street Journal | 07 Mar 2018 |
| Develop island in midwinter | The Times Cryptic | 19 Feb 2016 |
| Nurture, as a startup | Wall Street Journal | 24 Nov 2015 |
| Nurture, as a startup | ||
| Sit on eggs | ||
| Develop | ||
| Sit on, maybe | ||
| Develop, as an egg | ||
| Sit on, maybe | ||
| Take form | ||
| Develop slowly | ||
| Hatch artificially | ||
| Brood. |