30-Second Zoology: The 50 most fundamental categories and concepts from the study of animal lifeMark Fellowes
30-Second Literature: The 50 most important forms, genres and styles, each explained in half a minuteElla Berthoud5
30-Second Anatomy: The 50 Most Important Structures and Systems in the Human Body, Each Explained in Half a MinuteGabrielle M Finn3
30-Second Leonardo Da Vinci: His 50 Greatest Ideas and Inventions, each Explained in Half a MinuteMartin Kemp
30-Second Ancient Egypt: The 50 Most Important Achievements of a Timeless Civilization, each Explained in Half a MinutePeter Der Manuelian
30-Second Ancient Rome: The 50 Most Important Achievements of a Timeless Civilization, each Explained in Half a MinuteMatthew Nicholls
30-Second Ancient China: The 50 Most Important Achievements of a Timeless Civilisation, each explained in Half a MinuteDr Yijie Zhuang
30-Second Photography: The 50 Most Thought-provoking Photographers, Styles and Techniques, each explained in Half a MinuteBrian Dilg5
30-Second Shakespeare: 50 Key Aspects of his Works, Life and Legacy, each explained in Half a MinuteMark Rylance
30-Second Meteorology: The 50 Most Significant Events and Phenomena, each explained in Half a MinuteAdam Scaife