TRC #605: Calculating The Mass Of Earth + Subway Bread Isn’t Bread?

This week we bring you two fascinating segments. First our resident planetary geophysics expert, Dr. Stuart Robbins, is back to help us with a listener email about how we calculate the mass of the earth. We also dig into the difference between weight and mass. Adam rounds out the show with a deep dive into whether an Irish court has ruled that Subway bread is not bread asking, ‘what is a sandwich anyways’?