Ever think about that outside part of your sandwich? The fluffy bits that hold in the stuff you really want? This week we talk about that basic building block of many a lunch, tracing the origins of the modern movement against white bread and figuring out what parts of the grain you want left into the final loaf.

• Brief History of the Enrichment of Flour and Bread
• Which Bread Is Best for You - Cleveland Clinic
• White Bread Kills - Slate
• Calorimeter