Historical clue formulations

• Cell division — 2023-08-19
• Division of biology — 2015-03-14
• Division in biology — 2014-04-27
• Cell division — 2013-05-22
• Division of biology — 2012-12-30
• Process by which one cell becomes two — 2004-08-21
• Basic cell division — 2004-06-18
• Cell division process — 1998-06-28