If there are nine people in a room and every person shakes hands exactly once with each of the other people, how many handshakes will there be? How can you prove your answer is correct using a model ...

Puzzles are the crux of data science. So argue authors of “Radical Uncertainty” John Kay and Mervyn King, who categorize all modern problems as resolvable uncertainty or radical uncertainty. According ...

Creating a start-up, or managing any business, is all about problem solving. Some people are good at it and some are not—independent of their IQs or academic credentials (there may even be an inverse ...

I used to hop from one project to another, thinking I’d get better at solving problems with code. But after three years as a freelance software engineer working on backend solutions, I learned that ...