Senseless Venn Diagram 550senseless Jason Eppink bought the domain "senselessvenndiagrams.com" and uses it for many interesting pages, but his index page is the only one with a Venn diagram, using ...

Instead of showing each individual named element, as here, the Venn diagram can be redrawn, by replacing the animals in each region of the diagram with numbers. Image caption, This is done by ...