Humanitarian workers from around the globe will visit Harvard to discuss how best to treat the increasing number of diabetics among refugee populations. Symposium organizers talk about the problem and what they hope the symposium will accomplish.

Geneticist David Reich discusses DNA findings that show how migration shaped Europe and southern Asia, and that “No population is, or ever could be, pure.”

Mayra Rivera draws on her cross-disciplinary background in her role as Harvard's faculty chair of the Committee on Ethnicity, Migration, Rights.