| Clue | Source | Date |
|---|---|---|
| Deep study | New York Times | 12 Sep 2025 |
| Work done in the trenches? | New York Times | 03 Mar 2023 |
| Green picked up correspondence — nothing to replace a study of the sea | The Guardian Cryptic | 13 Dec 2022 |
| Cousteau's field | LA Times Daily | 18 Jan 2022 |
| Cousteau's field | The Washington Post | 18 Jan 2022 |
| Study of deep space? | ||
| Ridiculous canoe logo attached to the unknown branch of science | ||
| Marine science |