A "microbiome" is simply the collection of micro-organisms in a particular environment, whether they be inside your gut, on your skin, or even the chair you're sitting on. We talked to Jack Gilbert, a microbiology professor from USCD on how the microbiome in the built environment can be manipulated and help to win the war for the "good bacteria". We also chatted with Rosie Broadhead, a sportswear clothing designer in the U.K. who is pioneering the ability to weave probiotics into textiles. In addition, she's taking it a step further by incorporating vitamins and supplements into upholstery and studying how we could receive these nutrients just by sitting in a chair.