Thinking diagrammatically as a way of conceptualizing our world has been in existence from the moment the first cave-person picked up a soft 'rock' and started making markings on the walls of his/her ...

It's a funny old world. If you'd asked me this morning if I understood Venn diagrams, my answer would have been a resounding” “Yes!” Quite apart from anything else, some time ago I penned a rather ...