What are the Hidden Pathways in the Human Body?

This week, Avi fills us in on the science behind his New York Times Magazine article (link) describing the interstitium as our third circulatory system. We cover questions that he wasn't able to get to in the article and he fills us in on the story behind this (magazine) story!

Audio edited by Clair Morgan of Nodderly.com. Resident Giancarlo Buonomo and medical student Millennium Manna are our producers.