Under a minute to spare? Why not spend it learning the essence of a subject you either feel you should know about or have been meaning to learn about. Whether it’s the Theory of Relativity or Fermat’s Last Theorem, the Golden Ratio or the Garden of Eden, Anarchism or Monetarism, Pavlov’s Dog or Schrodinger’s Cat, a Know It All theory is the quickest way to get an idea into your head. Each title in the series selects a popular subject area and dissects it into the 50 most significant or thought-provoking ideas at its heart. Each of these, no matter how complex, is explained without any waffle by a specialist or scholar using just 300 words and one picture--making it digestible in a mere 30 seconds. Complete with unique graphics that illuminate as well as entertain, and featuring essential glossaries plus biographies of the key players.