In our very first episode of stories straight from the heart of matter, we have dived right inside the protons. We have learned about the internal structure of these basic and yet complex building blocks of matter from our guest, Dr. Robert L. Jaffe from MIT.

In our second episode of stories straight from the heart of matter, we have talked about the spin on the proton and how we can study spin structure with our expert, Dr. Renee Fatemi from the University of Kentucky.

In our third episode of stories straight from the heart of matter, we talk about the connections between the Electron-Ion Collider and High-Energy Physics, in particular parton distribution functions. What are parton distribution functions or short PDFs, how we extract them, and why they are of importance for Nuclear and High-Energy Physics, we learn from our expert, Dr. Tim Hobbs of Argonne National Laboratory. Further Reading John Collins, Davison Soper, and George Sterman review factorization theorems and their proofs.