Gulp is Mary Roach’s pop-science journey into the human (and occasionally non-human) digestive track, beginning with all things mouth related (saliva, chewing) and ending up exactly where you’d suspect, although with angles you I didn’t anticipate (Elvis’ megacolon; drug smuggling). I’ve previously read Stiff, Roach’s look at the afterlife of cadavers, and although I enjoyed Gulp, I liked Stiff more.  Because it has been some time since I read Stiff, I can’t remember exactly what is less enticing about Gulp, but I suspect it may […]