BIOL
Set to 7 different clues across 7 published puzzles, most often “H.S. science class” — The New York Times, Wednesday, 19 January 2011.
4 letters
Every clue on record, most used first
- H.S. science classonce
The New York Times — Wednesday, 19 January 2011
- Subj. involving cellsonce
The New York Times — Wednesday, 29 December 2010
- Frog-dissecting class: Abbr.once
The New York Times — Wednesday, 1 April 2009
- High school subj.once
The New York Times — Tuesday, 20 January 2004
- Junior high subj.once
The New York Times — Thursday, 23 January 1997
- Branch of 39-Downonce
The New York Times — Wednesday, 3 July 1996
- Sci. courseonce
The New York Times — Thursday, 13 October 1994