| Date | Grid | Clue | Author | Editor |
|---|---|---|---|---|
| Sat, Dec 15, 2018 | 12D | Science subj. | Erik Agard | Shortz |
| Wed, Jan 19, 2011 | 12D | H.S. science class | Kristian House | Shortz |
| Wed, Dec 29, 2010 | 66A | Subj. involving cells | Patrick Merrell | Shortz |
| Wed, Apr 01, 2009 | 1A | Frog-dissecting class: Abbr. | Ed Stein and Paula Gamache | Shortz |
| Tue, Jan 20, 2004 | 25D | High school subj. | Eric Berlin | Shortz |
| Thu, Jan 23, 1997 | 28D | Junior high subj. | F. Hansen | Shortz |
| Wed, Jul 03, 1996 | 26D | Branch of 39-Down | F. Heaney | Shortz |
| Thu, Oct 13, 1994 | 32D | Sci. course | Manny Nosowsky | Shortz |