ELEMENTS
| Date | Clue |
|---|---|
| 2026-08-22 | I, O, U and Y, but not A or E |
| 2019-07-18 | What B and C (but not A) may represent |
| 2018-10-29 | Listings on the periodic table |
| 2017-08-16 | Earth, wind and fire |
| 2011-02-27 | Gold and silver, but not bronze |
| 2010-06-30 | Mendeleev's tabulation |
| 2010-02-24 | Things on a table |
| 2005-01-03 | Periodic table listings |
| 2003-06-12 | Some metals |
| 2000-07-16 | Gold and silver, e.g. |
| 1998-07-30 | Weather |
| 1998-03-22 | Classic work of Euclid |
| 1994-10-15 | Euclidean work |
| 1994-08-16 | Strunk and White's "The _____ of Style" |
| 1994-05-25 | Euclid's grand work |