books.google.com - For the readers who made Why Do Men Have Nipples? a bestseller comes this collection of mind-boggling answers to everyday (and not-so-everyday) questions. Can a thick pair of shoes save you in a nuclear attack? How do you cut off your own arm? Are live insects safe to eat? How much can you understand...http://books.google.com/books/about/Can_You_Drill_a_Hole_Through_Your_Head_a.html?id=GYXBtloFBQQC&q=prime+numbers&utm_source=gb-gplus-shareCan You Drill a Hole Through Your Head and Survive?