Astrophysicist Katie Mack doesn’t mince her words. The universe will end. We just don’t know exactly how. In The end of everything she explores some of the scientific theories that attempt to answer the question. She does so in a pedagogical way, that’s (relatively) easy to understand even for laywomen like myself. You can tell she loves her job: her enthusiasm permeates the whole book, so even though her subject matter is rather grim, you cannot help but think that this is all very cool. […]