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- How Kelvin estimated the age of the Earth by thinking about a baked potato
- How did your favourite sweater become so big? And how big can it get?
- The story of an unforgettable mathematician.
- We announce the winner of this coveted prize
- We review the fourth of this year's nominees for the Book of the Year
- Ride a phantom parabola into our spring 2019 issue. Billiards, maths, tiles, mistakes, plus all your favourite regulars.