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Yellow Desk
September 22, 2026
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Problematics | Surviving Russian roulette
India

Problematics | Surviving Russian roulette

5 mins read

Some of the most memorable puzzles emerge from dramatic situations, especially when mathematics is hidden inside a moment of apparent chaos. A previous puzzle

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Niamey back to normal after soldiers’ mutiny
World

Niamey back to normal after soldiers’ mutiny

5 mins read

For the third time this year, gunfire echoed through the streets of Niger's capital, but this time the threat came not from jihadist insurgents at the city's