NUCLEI
| Date | Clue |
|---|---|
| 2025-10-29 | Cell centers |
| 2024-11-29 | Chemistry research centers? |
| 2023-10-19 | Cellular centers |
| 2022-10-30 | Fission locales |
| 2019-01-28 | Centers of atoms |
| 2017-10-19 | Atomic centers |
| 2015-10-11 | Centers |
| 2013-10-15 | Cell centers |
| 2013-07-27 | Cores |
| 2012-07-07 | Scientific research centers? |
| 2010-12-01 | Centers |
| 2010-11-03 | Atomic centers |
| 2010-09-01 | Centers |
| 2010-04-25 | Atomic centers |
| 2009-11-07 | Cores |
| 2008-07-09 | Centers |
| 2007-10-15 | Cell centers |
| 2005-10-23 | Central parts |
| 2003-11-26 | Protons' places |
| 2001-11-21 | Physics centers |
| 2000-09-10 | Core groups? |
| 2000-01-31 | Cell parts |
| 1999-01-23 | Centers of research |
| 1997-02-13 | Cores |
| 1996-05-06 | Cell centers |
| 1995-07-26 | Cores |