Australia's shirtiest scientist heads off into science's wild blue yonder What would happen if you really went on an 'Alkaline Diet'? Do fish drink water? How long is a DNA molecule if you stretch it out? How much wee do you make in a day? Why do wombats poo cubes? How many shirts does Dr Karl own? The intrepid Dr Karl takes us on a crazy random ride through nature, the universe and everything in this full-colour, illustrated extravaganza packed full of fascinating facts, tantalising truisms and hilariously extraordinary objectivities. Whether you're ten or sixty-ten, discover answers to questions you've always wanted to ask and questions you'd never even think to.