Two free evening seminars on Monday, May 16, and Tuesday, May 17. In Monday night's session, award-winning science writer Ed Yong and University of Chicago scientist Jack Gilbert will discuss how microbes affect the lives of humans, animals and plants, and how we might manipulate them to improve human and environmental health.

In Tuesday night's session, "Fecal transplants: scientific and ethical dimensions," Vincent Young of the U-M Medical School and Pilar Ossorio of the University of Wisconsin Law School will summarize the current understanding of fecal microbiota transplantation, including the ethical and legal implications for the potential widespread use of fecal transplants.