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# probability

## Latest Articles

### Mathematicians Answer Old Question About Odd Graphs

A pair of mathematicians solved a legendary question about the proportion of vertices in a graph with an odd number of connections.

### Mathematicians Settle Erdős Coloring Conjecture

Fifty years ago, Paul Erdős and two other mathematicians came up with a graph theory problem that they thought they might solve on the spot. A team of mathematicians has finally settled it.

### How Neutral Theory Altered Ideas About Biodiversity

The simple insight that most changes are random had a profound effect on genetics, evolution and ecology.

### How to Assess Risks During the Coronavirus Pandemic

The medical research scientist and Quanta puzzle columnist Pradeep Mutalik explores how to make sense of COVID-19 data while managing your personal risk.

### COVID-19 Is Raging. How Safe Is Your Backyard Party?

Awash in coronavirus data, misinformation and tremendous uncertainty, we need to put our risk analysis skills to the ultimate test.

### Cryptography Pioneer Seeks Secure Elections the Low-Tech Way

Ronald Rivest helped come up with the RSA algorithm, which safeguards online commerce. Now he’s hoping to make democratic elections more trustworthy.

### The Map of Mathematics

Explore our surprisingly simple, absurdly ambitious and necessarily incomplete guide to the boundless mathematical universe.

### The Grand Unified Theory of Rogue Waves

Rogue waves — enigmatic giants of the sea — were thought to be caused by two different mechanisms. But a new idea that borrows from the hinterlands of probability theory has the potential to predict them all.

### Where Quantum Probability Comes From

There are many different ways to think about probability. Quantum mechanics embodies them all.