Many parents have questions about how to raise children “naturally.” When is the natural time to wean a baby? Is early toilet training natural? What about suggestions to eat the placenta?
Martin, a primatologist, looks to evolutionary history for clues to how humans have parented through time. He leads a dizzying tour through evolutionary aspects of human reproduction, starting with sperm and egg, winding through pregnancy and parental care, to reach the decidedly unnatural topics of contraception and in vitro fertilization.