30-Second Coding: The 50 essential principles that instruct technology, each explained in half a minuteMark Steadman5
30-Second Biochemistry: The 50 vital processes in and around living organisms, each explained in half a minuteStephen Contakes
30-Second Genetics: The 50 most revolutionary discoveries in genetics, each explained in half a minuteJonathan Weitzman
30-Second Chemistry: The 50 most elemental concepts in chemistry, each explained in half a minute.Nivaldo Tro4
30-Second Zoology: The 50 most fundamental categories and concepts from the study of animal lifeMark Fellowes
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 Literature: The 50 most important forms, genres and styles, each explained in half a minuteElla Berthoud5