Those externalized costs have always included labor. It is only the decline over time of the minimum wage in real dollars that's made the fast food industry possible, along with feedlot agriculture, pharmaceuticals on the farm, pesticides and regulatory forbearance. All these things are part of the answer to the question: Why is that crap so cheap? Our food is dishonestly priced. One of the ways in which it's dishonestly priced is the fact that people are not paid a living wage to process it, to serve it, to grow it, to slaughter it.

You are what what you eat eats.

A natural historian is somebody who looks at something in terms of its relationship to the rest of the natural world. You look at things ecologically. When you see a cow on a feedlot, you don't just see a cow; you see a cow that is eating certain food. You follow that food and that food takes you back to a corn field.

A French poet famously referred to the aroma of certain cheeses as the ‘pieds de Dieu’—the feet of god. Just to be clear: foot odor of a particularly exalted quality, but still—foot odor.

One of the powerful things about the food issue is that people feel empowered by it. There are so many areas of our life where we feel powerless to change things, but your eating issues are really primal. You decide every day what you're going to put in your body and what you refuse to put in your body. That's politics at its most basic.

The garden suggests there might be a place where we can meet nature halfway.

In general, science journalism concerns itself with what has been published in a handful of peer-reviewed journals - Nature, Cell, The New England Journal of Medicine - which set the agenda.