We now know more about where we come from than ever before. Rapid advances in the science of genetics have unraveled our genes to show our collective human history. Our DNA can only tell us so much about who we are as individuals. It has much more to say about us as a species: who we are, where we’ve been, and even where we’re headed in the future. Geneticist Adam Rutherford joins 1A to discuss his book, “A Brief History of Everyone Who Ever Lived: The Human Story Retold Through Our Genes.“