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Illustration of pathogens, vaccines, and other necessary factors for eradicating a disease.
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How to Permanently End Diseases

By Tara C. Smith
December 3, 2019
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Smallpox was eradicated relatively quickly, but other diseases have proved harder to eliminate. The reasons are a mix of biology and psychology.

An illustration of a mathematician staring up at an infinite pile of cubes of varying sizes and colors.
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Why the Sum of Three Cubes Is a Hard Math Problem

By Patrick Honner
November 5, 2019
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Looking for answers in infinite space is hard. High school math can help narrow your search.

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Why I Called It ‘Quantum Supremacy’

By John Preskill
October 2, 2019
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Researchers finally seem to have a quantum computer that can outperform a classical computer. But what does that really mean?

Two competitors are racing to solve the multiplication problem 25 times 63 in two separate lanes of a running track. One competitor is using the standard multiplication algorithm while the other is using Karatsuba method.
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On Your Mark, Get Set, Multiply

By Patrick Honner
September 23, 2019
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The way you learned to multiply works, but computers employ a faster algorithm.

An illustration of a pink hand reaching for quantum dice.
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Where Quantum Probability Comes From

By Sean Carroll
September 9, 2019
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There are many different ways to think about probability. Quantum mechanics embodies them all.

Nelson, wearing hiking gear, smiles at the camera at the top of a rocky outcrop.
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Ann Nelson Took On the Biggest Problems in Physics

By Chanda Prescod-Weinstein
August 22, 2019
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The theoretical particle physicist Ann Nelson, who died on August 4 at age 61, was a font of brilliant ideas and a champion of ending discrimination in the field.

Art for "Color Me Polynomial"
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Color Me Polynomial

By Patrick Honner
August 13, 2019
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Polynomials aren’t just exercises in abstraction. They’re good at illuminating structure in surprising places.

Illustration of Fermat's Last Theorem
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Why the Proof of Fermat’s Last Theorem Doesn’t Need to Be Enhanced

By Michael Harris
June 3, 2019
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Decades after the landmark proof of Fermat’s Last Theorem, ideas abound for how to make it even more reliable. But such efforts reflect a deep misunderstanding of what makes the proof so important.

Art for "How Geometry, Data and Neighbors Predict Your Favorite Movies"
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How Geometry, Data and Neighbors Predict Your Favorite Movies

By Patrick Honner
May 22, 2019
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A little high school geometry can help you understand the basic math behind movie recommendation engines.


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