New bright and clever questions from the author of the bestseller 'Do Chickens Have Belly Buttons?' which has already sold over 100,000 copies. Why can’t penguins fly? Are sloths really slothful? Why is there no gravity in outer space? Children can drive us crazy with their questions. In her second book, Isabelle Auerbach has again collected a variety of entertaining questions posed by children and – with the help of the experts – provides amusing and informative answers.