30-Second Coding: The 50 essential principles that instruct technology, each explained in half a minute Mark Steadman5
30-Second Biochemistry: The 50 vital processes in and around living organisms, each explained in half a minute Stephen Contakes
30-Second Genetics: The 50 most revolutionary discoveries in genetics, each explained in half a minute Jonathan 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 life Mark Fellowes
30-Second Zoology: The 50 most fundamental categories and concepts from the study of animal life Mark Fellowes