In the book The Lost Family: How DNA Testing Is Upending Who We Are, journalist Libby Copeland investigates what happens when we embark on a vast social experiment with little understanding of the ramifications. Copeland explores the culture of genealogy buffs, the science of DNA, and the business of companies like Ancestry and 23andMe, all while tracing the story of one woman, her unusual results, and a relentless drive for answers that becomes a modern genetic detective story. In this book talk, in partnership with, Copeland is joined by journalist and genealogist Jennifer Mendelsohn for a discussion about the book and the significance of DNA testing within Jewish communities and beyond.

Watch the program below: