From pickles to kefir, sourdough bread to home-brewed beer -- if it can be cultured or fermented, someone you know is making it. There's a fermentation revival brewing in urban lofts and rural homesteads. Today, we explore the science, art and politics of fermented foods.
Fashion designer Suzanne Lee makes jackets and skirts out of cloth she grows by fermenting liquid in a big vat. In the future, she believes we'll harness nature to grow all sorts of clothing and other products.