Who wouldn't want to get answers to their questions quickly and painlessly? In this book, you can find out if cracking your joints is bad for you. What hurts more, giving birth or kicking a pumpkin? Can we sneeze so hard that our eyes fall out? What is the scientific cure for a hangover and what do you need to know about morning stiffness? Mitchell Moffit and Greg Brown, the stars of YouTube, the answerers of the questions that concern many, have now collected in a book the most entertaining today's great mysteries of the world...