It was introduced in the late 1800s by English logician, John Venn, although it is believed that the method originated earlier. THIS DEFINITION IS FOR PERSONAL USE ONLY. All other reproduction ...

Save guides, add subjects and pick up where you left off with your BBC account. A Venn diagram can show data sets such as preferences in market research. When sets intersect (overlap), the ...

A stunning new image from the James Webb Space Telescope (JWST) is allowing astronomers to examine the complex and turbulent final stages of a dying star's life.