John and Lynn are joined by Raja Dhir on Cool Science Radio. He is the co-founder of Seed Health Seed Health is a microbial sciences company accelerating breakthrough science into live biotherapeutics and innovations for consumer health. There's a community of 38 trillion microorganisms (mostly bacteria) living in and on us. This is our microbiome—our non-human half, that as it turns out, we can’t live without. Seed believes that our microbiome will radically transforming our approach to medicine, hygiene, diet, and living.