Historical clue formulations

• Central parts of planets — 2026-01-18
• De-centers? — 2024-11-02
• Some compost bin discards — 2024-06-28
• Hearts — 2023-09-22
• Computer processor parts — 2021-08-12
• Apple centers — 2021-02-10
• Essential parts — 2017-05-21
• Nuclei — 2014-01-03
• Mining samples — 2010-08-14
• They're seedy — 2008-01-26
• Reactor parts — 2005-05-18
• Nuclei — 2005-03-09
• Hearts — 2005-01-20
• Nuclei — 2002-11-17
• Meltdown sites — 2001-10-17
• Meltdown sites — 2000-11-08
• Nuclei — 1998-05-27
• Parts of apples — 1998-01-06
• Essential parts — 1997-12-11
• Centers — 1997-09-05
• Apple remains — 1996-10-21
• Vital regions — 1996-07-26
• Nubs — 1996-02-18
• Nuclei — 1995-06-22
• Meltdown areas — 1994-04-19