Every day, funeral director Caitlin Doughty receives dozens of questions about death. What would happen to an astronaut's body if it was pushed out of a space shuttle? Do people poop when they die? Can Grandma have a Viking funeral?In the tradition of Randall Munroe's What If?, Doughty's new book, Will My Cat Eat My Eyeballs?, blends her scientific understanding of the body and the intriguing