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The Physical Origin of Universal Computing

The physical nature of computers might reveal deep truths about their uniquely powerful abstract abilities.


Theorists Draw Closer to Perfect Coloring

A theorem for coloring a large class of “perfect” mathematical networks could ease the way for a long-sought general coloring proof.

Computer Science

A New Map Traces the Limits of Computation

A major advance in computational complexity reveals deep connections between the classes of problems that computers can — and can’t — possibly do.

Computer Science

A Common Logic to Seeing Cats and Cosmos

New research suggests physicists, computers and brains employ the same procedure to tease out important features from among other irrelevant bits of data.

2014 Fields Medal and Nevanlinna Prize Winners

A Grand Vision for the Impossible

Subhash Khot’s bold conjecture is helping mathematicians explore the precise limits of computation.

machine learning

Decoding Flu Viruses Before an Outbreak

Machine learning techniques are helping scientists pinpoint the mutations that allow bird and pig viruses to infect humans.

computer science

Evidence That Machines Learn Like Us

Studies show that computer models called “neural networks” behave strikingly similar to actual brains when performing certain tasks, suggesting the two may learn in the same way.

traveling salesman problem

Computer Scientists Take Road Less Traveled

An infinitesimal advance in the traveling salesman problem breathes new life into the search for improved approximate solutions.