Steven Strogatz

Mathematician, writer, Cornell professor. All cards on the table, face up, all the time.

From Fish to Infinity

A column that takes readers from the basics to the baffling in a 15-part series on mathematics.

Singular Sensations

In the first installment of a new series on math: cowlicks and other singularities, plus the topology of fingerprints.

Proportion Control

Separating the myth from the math in the golden ratio, the second-most famous irrational number.

It's My Birthday Too, Yeah

The classic math puzzle Johnny Carson grappled with on the air 32 years ago.

It Slices, It Dices

The integral, perhaps mathematics’ most graceful sign, is a foundation of calculus.

Friends You Can Count On

Why your friends seem to have more friends than you do: a mathematical explanation.

Dangerous Intersection

Catastrophe theory, and how it plays out in sleep patterns … and in the economy.

Think Globally

Differential geometry can show us the shortest route between two points.

Group Think

Group theory, one of the most versatile parts of math, bridges the arts and sciences.

Chances Are

The improbable thrills of probability theory.