[Music] [Applause] So there are 8 billion people living on the earth. You think you are just a human being. No, not really like that.We are super organisms because our body also a home for other organisms as well. So each of us host 40 training bacteria and 380 training viruses. So they actually tens of thousands times higher than the entire population on earth.I'm part of research group in Croning called itself the poop group. Yeah, you heard it right. It's because we work with the poop sample just like a ...