In his new book, “Starry Messenger: Cosmic Perspectives on Civilization” famed astrophysicist Dr. Neil deGrasse Tyson examines the biggest debates in human civilization through the prism of science. The book tackles some of the topics and issues that we argue with each other about all the time, whether through the media, online, or in real life. Dr. Tyson’s book is designed to make readers think twice about what they believe to be true, as he takes on a multitude of subjects including race, gender, religion, politics, and the law.