Last seen in:
- Family Time - Jun 14 2021
- Wall Street Journal - Aug 20 2020 - A Bump in the Road
- Wall Street Journal - Feb 29 2020 - In the Mood
- Eugene Sheffer - King Feature Syndicate - Mar 23 2015
- USA Today - Jun 19 2014
- Wall Street Journal - Dec 6 2013 - December 6, 2013 - Tour de France
- L.A. Times Daily - May 5 2013
- Eugene Sheffer - King Feature Syndicate - Jun 13 2011
- New York Times - Feb 6 2011
- Newsday.com - May 22 2010
Related Clues:
- Physics particle
- Subatomic particle
- Elementary particle
- Atomic particle
- Nuclear binder
- Semistable subatomic particle
- Unstable subatomic particle
- Unstable lepton
- Short-lived particle
- Meson with zero spin
- Quantum particle
- Particle created by a cosmic ray
- Subatomic particle that is a nuclear binder
- Particle made of quark-antiquark pairs
- Zero-spin particle