Last seen in:
- New York Times - Feb 19 2023
- Thomas Joseph - King Feature Syndicate - Jan 29 2022
- The Times - Concise - Times Concise No 8418
- The Times - Concise - Times Concise Jumbo No 1236
- USA Today - Oct 24 2016
- Newsday.com - Jul 19 2015
- Newsday.com - Dec 14 2014
- Newsday.com - Dec 5 2014
- Universal - Oct 17 2014
- Newsday.com - May 19 2013
Related Clues:
- Physics particles named after a James Joyce coinage
- Particles in physics
- They're free of charge
- Subatomic particles with zero spin
- Particles composed of a quark and an antiquark
- Particles with mass about 200 times that of electrons
- Hydrogen's two
- Particles with strong interactions
- Particles of stone ruin at sea
- Chargeless particles
- B particles and D particles
- Quark model particles
- Supernova by-products