Episode Notes Neil deGrasse Tyson’s life-long love of science led him to astrophysics and a career as the nation’s premiere voice on making science accessible for all. On today’s episode of A Word, he joins host Jason Johnson for a conversation about the new edition of his book, Merlin’s Tour of the Universe, Revised and Updated for the Twenty-First Century: A Traveler’s Guide to Blue Moons and Black Holes, Mars, Stars, and Everything Far . They also discuss the science in pop culture, the