| 2026-08-02 | Long stories have them |
| 2026-04-27 | Paths for lobbed tennis balls |
| 2025-04-26 | Parabolic paths |
| 2025-04-11 | Characters' trajectories |
| 2024-11-25 | Rainbows and parentheses, shapewise |
| 2024-10-14 | Narrative trajectories |
| 2024-01-08 | Shapes of rainbows |
| 2023-10-04 | Lines on an airline map |
| 2023-09-18 | Curved trajectories |
| 2023-08-29 | Lob trajectories |
| 2023-08-17 | ( and ) |
| 2022-12-19 | Curving flight paths |
| 2022-11-24 | TV stories sometimes have them |
| 2022-10-14 | Parentheses, e.g. |
| 2022-09-22 | Shots of shooting stars, say |
| 2022-09-12 | Rainbow shapes |
| 2022-07-10 | Rainbows, e.g. |
| 2022-05-19 | They may join in a circle |
| 2021-11-16 | Paths of lobs |
| 2021-07-10 | Doesn't go straight, in a way |
| 2021-01-04 | Rainbows, for example |
| 2020-12-12 | Story lines |
| 2020-07-15 | Things drawn with compasses |
| 2020-05-26 | Paths of fly balls |
| 2020-03-09 | Paths of falling stars |
| 2020-02-16 | Rainbows, e.g. |
| 2019-12-30 | Rainbow shapes |
| 2019-08-03 | Parentheses, essentially |
| 2019-02-10 | Parabolas, essentially |
| 2019-01-23 | Some lines drawn with protractors |
| 2018-11-20 | Trajectories for fly balls |
| 2018-05-13 | Rainbows, e.g. |
| 2017-06-19 | Parabola shapes |
| 2017-05-15 | Paths of pendulums |
| 2016-11-07 | Circle segments |
| 2016-05-18 | Jump shot paths |
| 2016-01-30 | Parenthetical figures? |
| 2014-09-19 | Story lines |
| 2014-07-03 | Compass drawings |
| 2014-06-08 | Compass tracings |
| 2014-04-18 | Parentheses, e.g. |
| 2014-04-03 | Things that are tossed usually go in them |
| 2014-02-03 | Curves |
| 2014-01-04 | Hyperbola parts |
| 2013-12-06 | Ones going in circles? |
| 2013-11-26 | Paths of lobs |
| 2013-10-17 | Slow pitches have them |
| 2013-04-15 | Circle parts |
| 2012-12-22 | Fly balls, e.g. |
| 2012-11-27 | Three-point lines in basketball, e.g. |
| 2012-11-14 | Rockets' paths |
| 2012-09-09 | Typical golf shots |
| 2012-04-25 | Jump shots have them |
| 2011-10-25 | Circle segments |
| 2011-08-25 | Welding bands? |
| 2011-05-22 | Missile paths |
| 2011-05-18 | Pinball paths |
| 2011-04-14 | Some trajectories |
| 2011-02-14 | Firecrackers' paths |
| 2011-01-07 | Indirect lines |
| 2010-07-12 | Rainbows, basically |
| 2009-10-03 | Doesn't go straight |
| 2009-05-21 | Slurs, in music |
| 2009-01-21 | Electrical bridges |
| 2008-12-16 | Curved trajectories |
| 2008-08-05 | They may be drawn with compasses |
| 2008-06-22 | Tennis lobs, e.g. |
| 2008-05-13 | Paths of pop-ups |
| 2008-04-28 | Rainbow shapes |
| 2007-11-27 | Rainbow shapes |
| 2006-10-22 | Hyperbola parts |
| 2006-09-26 | Pendulum paths |
| 2006-07-22 | Bends |
| 2006-05-08 | Circle segments |
| 2005-12-06 | Travels like a skyrocket |
| 2005-11-06 | Musical ties, essentially |
| 2005-09-06 | Circle segments |
| 2005-01-20 | Meteor paths |
| 2004-11-10 | Circle parts |
| 2004-03-03 | Curved lines |
| 2003-11-26 | Not the most direct routes from point to point |
| 2003-07-20 | Electric discharges |
| 2003-02-19 | Rainbows, e.g. |
| 2001-10-17 | Pinball paths |
| 2001-10-09 | Parabolic paths |
| 2001-07-12 | Parentheses, e.g. |
| 1999-12-30 | Parentheses, essentially |
| 1999-05-13 | Pinball paths |
| 1998-08-28 | Pendulum paths |
| 1998-06-20 | Parentheses, e.g. |
| 1998-04-12 | Rainbows |
| 1998-02-24 | Rainbows |
| 1998-02-16 | Circle parts |
| 1997-12-28 | Pinball paths |
| 1997-09-11 | Planetary paths |
| 1997-06-03 | Semicircles |
| 1997-01-25 | Bows |
| 1997-01-19 | Moves like a comet |
| 1996-11-16 | Bows |
| 1996-02-28 | Bridges of electricity |
| 1995-12-25 | Rainbows |
| 1995-11-05 | Meteors' paths |
| 1995-07-03 | Compass doodles |
| 1995-05-30 | Bows |
| 1995-04-26 | Missile trajectories |
| 1995-03-14 | Rainbows |
| 1995-01-23 | Firecracker paths |
| 1994-04-26 | Electrical paths |