| Clue | Source | Date |
|---|---|---|
| Having just one connection travelling via tunnel (9) | The Guardian Cryptic | 25 Nov 2024 |
| Unpaired, of chromosomes; vault nine (anag.) (9) | ||
| Like certain atoms in air probed by a learner after university | The Guardian Cryptic | 14 Feb 2024 |
| . Describing some bonds slipping in value? Not yielding nothing | ||
| Capable of joining with one, set off via tunnel | ||
| Able to bond only once evil aunt somehow accepts name | ||
| Unpaired, as a chromosome |