Today’s Power Q & A features best-selling Polish-Canadian author and pediatric clinical geneticist Dr. Margaret Nowaczyk. Dr. Nowaczyk’s most recent book, Marrow Memory: Essays of Discovery invites readers to examine her DNA under a microscope, sharing her vast life experiences in a series of invariably absorbing and beautifully-crafted personal essays. From growing up in Communist Poland, to immigrating to Canada as a teen, to working as a pediatric clinical geneticist and professor at McMaster University, Nowaczyk bares her soul while encouraging readers to explore the ways in which our experiences and identities are entangled with our ancestral history.