In this month's Wrong, But Useful, we're joined by @sheena2907, who is Sheena in real life. We discuss:

• Sheena's Number of the Podcast: 3,212
• Board Games - Number Fluxx, Prime Climb
• Magic: The Gathering is undecidable!
• Oxbridge
• Time surprises
• The oddness of the Fibonacci sequence
• The heights of women
• Big MathsJam Down Under
• Population modelling in the Marvel universe
• The IMU committee for women in mathematics newsletter
• Elwyn Berlekamp has died
• How do you see means?
• The Superpermutation Search
• Via Jeremy Cote: "I've actually seen [J] in a textbook I've used for my real analysis course, but in that case, it was to represent the natural numbers (1,2,3,...). The book is called Introduction to Analysis, and can be found here.
• Other maths podcasts: a list; MathsAt; MakeMathMoments.
• Puzzle feedback: No stars of any description for the Crystal Maze problem.
• New puzzle: At 3:00, the hour and minute hands on a clock form a right angle. What is the next time that happens?

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