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Famous Venn diagrams

1. Good, fast or cheap: pick two

   The old shop sign.

   Filed under business, humour

2. The data science Venn diagram

   Drew Conway, 2010.

   Filed under data, business

3. Even and prime numbers

   The one from the maths lesson. Only 2 is in both.

   Filed under maths, school

4. NATO, the EU and the G20

   Three memberships. Three countries in all of them.

   Filed under politics, geography

5. John Venn’s diagram, 1880

   The original.

   Filed under history, logic

6. Rectangles and rhombuses

   Both at once is a square.

   Filed under maths, school

7. The platypus

   A mammal that lays eggs.

   Filed under science, school, animals

8. TPACK

   What a teacher needs to know, in three circles. Mishra and Koehler, 2006.

   Filed under education

9. The hedgehog concept

   Three questions a company should be able to answer with one idea.

   Filed under business

10. Desirability, feasibility, viability

    IDEO’s three lenses: do people want it, can it be built, does it pay.

    Filed under design, business

11. Evidence-based medicine

    Research, the clinician and the patient, meeting in the middle.

    Filed under medicine, science

12. The three pillars of sustainability

    Environment, society and economy, from a 1987 paper.

    Filed under environment, politics

13. A deck of cards

    Red cards, hearts and face cards. Every number can be checked by hand.

    Filed under maths, probability, school

14. The European Union and Schengen

    Two memberships people mix up. Not the same 27 countries.

    Filed under politics, geography

15. The Triple Crown of Acting

    An Oscar, an Emmy and a Tony. Twenty-four people have all three.

    Filed under film, theatre