A look at the curious history of Venn diagrams and the way they blend logic with geometry ...

Why a love of Venn diagrams is Kamala Harris’ not-so-secret weapon for creating smart policy Logic dictates that multiple variables must be accounted for in politics; interlocking circles help ...

Educator sent students home with a Venn diagram with instructions to compare and contrast Hitler and Bush, stating that "both men abused their powers." ...