Venn and his successors believed that ellipses couldn’t portray all 32 regions required for a five-set diagram. Not until 1975 did mathematician Branko Grünbaum prove them wrong by example ...

In a dark coincidence, the researchers point to California's current catastrophe as a timely example of their recently published findings. "In that publication, fairly incredibly, we use the example ...

Easy-to-understand visualizations for Ranked-Choice Voting elections: sankey, bargraphs, and tables. Interactive and print-friendly options available. Supports most common tabulators.