What if the cataclysmic Tunguska explosion of 1908 was caused, not by a meteor or a comet, but by a microscopic black hole? … Well, like as not, you already know that story — the one told by Bill DeSmedt in his award-winning novel/podcast Singularity. What you may not know, though, is the story behind the story: the science behind Singularity. Surprisingly (or maybe not), you can learn a lot about primordial black holes and the Tunguska Event and black hole radiation and the Big Bang on the pages of Singularity. And you don’t have to take our word for it: some world-class physicists think...