Insights puzzle

The solution to our puzzle about Euler’s number explains why e pops up in situations that involve optimality.

The transcendental number π is as familiar as it is ubiquitous, but how does Euler’s number e transcend the ordinary?

How readers used their geometry skills to survive a dangerous puzzle.

In this month’s puzzle, math is a question of life or death.

Playing with numbers can lead to deep mathematical and scientific insights.

Playing with arithmetic can lead us to unexpected and profound discoveries that point toward deeper mathematics and sometimes even deeper science.

Readers used their Zen-like puzzle solving skills to discover hidden insights.

Sometimes the act of solving a puzzle can itself reveal hidden insights.

A numerical puzzle, a geometric puzzle and a game of random patterns — all with connections to the legendary mathematician — elicited an enthusiastic response from readers.