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puzzles

520px illustration of a man falling and missing a hay stack to land on.
insights puzzle

Solution: ‘When Probability Meets Real Life’

When our brains don’t have a good intuition for reasoning with numbers, explicit probabilistic thinking can lead to improved decision-making.

520px illustration of a man falling and missing a hay stack to land on.
insights puzzle

When Probability Meets Real Life

When faced with a difficult decision, should you go with your gut or carefully calculate the attendant risks?

insights puzzle

Solution: ‘Hanging Far Out Over the Edge’

A simple and elegant way to stack identical flat objects so that they project over an edge as far as possible.

insights puzzle

How to Hang Far Out Over the Edge

What formula describes the farthest you can stack flat blocks over the edge of a table to form a seemingly gravity-defying half-bridge to nowhere?

insights puzzle

Solution: ‘Which Forecasts Are True?’

Aside from potential clues gleaned from a fluke result, it would take hundreds of U.S. presidential elections to definitely conclude that one election forecasting model is superior to another.

insights puzzle

How Can We Tell Which Forecasts Are True?

Presidential election forecasts are historically successful and appear to be highly precise. Yet they’re often contradictory. What would it take to trust them?

insights puzzle

Solution: ‘A Drunkard’s Walk in Manhattan’

City blocks help illustrate why walking randomly tends to take you away from your starting point.

insights puzzle

A Drunkard’s Walk in Manhattan

Why is it that when you walk randomly, the more you walk, the farther you get from your starting point?

insights puzzle

Solution: ‘Puzzles Inspired by Ramanujan’

What can the mathematical genius Srinivasa Ramanujan teach us about number theory through mathematical structures involving infinity?