25 Subatomic Stories: What's smaller than quarks?

The field of particle physics searches to find the explanation for the universe, focusing on the fundamental building blocks and most basic force that governs them. Our current best theory of the subatomic world is the Standard Model, which invokes quarks and leptons to build the cosmos. In this episode of Subatomic Stories, Fermilab’s Dr. Don Lincoln explores the idea that quarks and leptons might not be the final story. Scientific American article on preons: https://www.scientificamerican.com/article/the-inner-life-of-quarks-extreme-physics-special/ Fermilab physics 101: https://www.fnal.gov/pub/science/particle-physics-101/index.html Fermilab home page: https://fnal.gov Glass vector credit: Freepik