CORTEX
| Date | Clue |
|---|---|
| 2025-05-11 | Outer layer of the brain |
| 2016-07-14 | Part of the cerebrum |
| 2016-03-13 | Think piece? |
| 2011-06-09 | Outer layer of the cerebrum |
| 2009-02-20 | Center of learning |
| 2004-08-28 | Learning center |
| 2000-11-03 | Memory site |
| 1996-01-12 | Brain cover |
| 1994-06-04 | Outer layer |