| 2025-12-14 | Subject of Newton's first law |
| 2025-11-06 | Resistance to change? |
| 2025-09-18 | Slothfulness |
| 2025-09-06 | It keeps things going |
| 2025-03-07 | Property of matter |
| 2024-06-12 | Obstacle to change |
| 2023-04-25 | Tendency to stay at rest |
| 2021-10-10 | Reason the physicist stayed in bed? |
| 2021-02-03 | Sluggishness |
| 2020-09-06 | Subject of Newton's first law of motion |
| 2018-09-01 | Resistance to change |
| 2016-09-10 | Trouble getting started |
| 2013-12-02 | Subject of Newton's first law of motion |
| 2013-04-28 | It keeps things moving |
| 2013-04-23 | Tendency to remain unchanged |
| 2012-06-17 | Subject of Newton's first law of motion |
| 2011-02-10 | Reason to keep moving |
| 2009-05-22 | Sluggard's problem |
| 2008-11-22 | Torpor |
| 2008-09-16 | Resistance to change |
| 2007-11-22 | Sluggishness |
| 2007-03-08 | It keeps things going |
| 2005-07-21 | Slothfulness |
| 2005-01-16 | It keeps the ball rolling |
| 2004-06-13 | Resistance to change |
| 2004-04-28 | Resistance to change |
| 2003-10-14 | Resistance to change |
| 2003-06-14 | Possible reason to lie in bed all morning |
| 2002-08-24 | Notion about motion |
| 2002-03-02 | Disinclination to change |
| 2001-10-26 | Subject of Mach's principle |
| 2000-10-24 | Sluggishness |
| 2000-08-06 | Inactivity |
| 2000-07-08 | It may be hard to overcome |
| 2000-06-23 | Lack of get-up-and-go |
| 2000-06-05 | Subject of a law of physics |
| 1999-07-22 | Staying power? |
| 1997-08-22 | It'll keep you going |
| 1997-05-18 | Physics topic |
| 1996-12-07 | Subject of Newton's first law |
| 1994-06-12 | Sluggishness |
| 1994-04-11 | Lethargy |