The game theory of choosing flight seats
I've been traveling a lot and thinking about the strategy of picking the best seat on a plane. Here is an interesting question that came across my mind. If you are flying with a friend, which two seats should you pick on a plane? Assume you want to sit next to your ...

Honest Abe: don’t take on unnecessary debt
Abraham Lincoln is such a revered individual, a self-made man who is now considered one of America's greatest presidents. Lincoln's honesty and integrity are well-celebrated. He made sure to repay his debts, and he also avoided taking on debts he could not pay off. I came across an interesting story that demonstrates ...

Puzzle: how often does it rain?
Weather is notoriously hard to predict. The following puzzle imagines a world where weather is simple and determined entirely by a set of probability rules. The puzzle: weather in mathland In Mathland, the weather is described either as sunny or rainy, nothing in between. On a sunny day, there is an equal chance ...

A fun graph theory puzzle
This is an interesting video I came across. It is very similar to the famous Seven Bridges of Konigserg problem. I especially like how the solution is explained in simple terms. The video is linked after the break: definitely worth a watch as it is just over 4 minutes long.

Birthday laws probability puzzle
Wouldn't it be fun if you could get a holiday every year on your birthday? Wouldn't it be even better if your friends got the same holiday too? Such a labor law would make for some fun parties. But it might have some interesting macro effects on the economy as a whole. Here's ...