Pavlov’s dog was a slobbery creature. And yet despite all that spittle, he managed to revolutionise the history of experimental psychology. Find out how and why in this entertaining exploration from Adam Hart-Davis: clear and to-the point, his annotated history of this science’s 50 most iconic experiments ranges from Bandura’s Bob doll and Milgram’s obedience studies to Zimbardo’s classic Stanford prison experiment, carefully outlining in each ease the results and implications.