Why Everything in the Universe Turns More Complex

By PHILIP BALL

A new suggestion that complexity increases over time, not just in living organisms but in the nonliving world, promises to rewrite notions of time and evolution.

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ALGORITHMS

How a Problem About Pigeons Powers Complexity Theory

By BEN BRUBAKER

When pigeons outnumber pigeonholes, some birds must double up. This statement, and its inverse, have deep connections to many areas of math and computer science.

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A powerful mathematical technique is used to model melting ice and other phenomena. But it has long been imperiled by certain "nightmare scenarios." A new proof has removed that obstacle.

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THE JOY OF WHY

What Is the True Promise of Quantum Computing?
With JANNA LEVIN and STEVEN STROGATZ

In this episode, Ewin Tang discusses her pioneering work in "dequantizing" quantum algorithms — and what it means for the future of quantum computing.

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