British mathematician John Venn was born on August 4, 1834, so Friday marks the 183rd anniversary of his birth in Hull, England. John Venn is most known for creating and introducing the Venn diagram ...

Venn diagrams typically use overlapping circles to show all possible relationships between sets. Traditionally, they include just two or three sets. This example shows how red, blue and green lights ...

It may look like a flower, but this is actually a new Venn diagram-- one that for the first time manages to represent 11 sets of data. Venn diagrams are a simple and elegant way to represent the ...