## New Take on an Ancient Method Improves Way to Find Prime Numbers

The modified version of the sieve of Eratosthenes could accelerate computer calculations

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The modified version of the sieve of Eratosthenes could accelerate computer calculations

September 24, 2016 — Matías Loewy

It’s the last standard of measurement that is still based on a physical object—but it will soon be derived from a mathematical constant

September 1, 2016 — Knvul Sheikh

What are half-lives? And what do they have to do with measuring the age of the solar system and predicting the effects of a morning cup of coffee? Keep on reading to find out!

August 17, 2016 — Math Dude Jason Marshall

A centering science activity

August 11, 2016 — Ben Finio and Science Buddies

A rare appearance by enigmatic Shinichi Mochizuki brings faint optimism about his famously impenetrable work

July 29, 2016 — Davide Castelvecchi and Nature magazine

Jim Papadopoulos has spent a lifetime pondering the maths of bikes in motion. Now his work has found fresh momentum

July 20, 2016 — Brendan Borrell and Nature magazine

Creators factor in “origin-of-life” events and available building blocks

July 11, 2016 — Sarah Lewin and SPACE.com

Ukrainian mathematician Maryna Viazovska recently figured out how spheres could be efficiently arranged in eight and 24 dimensions

June 30, 2016 — Evelyn Lamb

The mathematician Ken Ono believes that the story of Srinivasa Ramanujan—mathematical savant and two-time college dropout—holds valuable lessons for how we find and reward hidden genius

June 4, 2016 — John Pavlus and Quanta Magazine

Have you ever wondered how people figured out their latitude back in the days before the Internet? Did you know you can use the same math trick they used to pinpoint your latitude today? Keep on reading to find out how it works

May 25, 2016 — Math Dude Jason Marshall

In this special edition of 60-Second Science Video, two numbers compete. Which is larger? The number of possible positions in the ancient game of go or the number of atoms in the entire universe?

May 19, 2016 — Eliene Augenbraun

Caltech theoretical physicist Sean M. Carroll talks about his new book *The Big Picture: On the Origins of Life, Meaning, and the Universe Itself*. (Dutton, 2016)

May 12, 2016 — Sean M. Carroll and Steve Mirsky

Caltech theoretical physicist Sean M. Carroll talks about the necessary connections among the various ways we have of describing the universe.

May 11, 2016 — Steve Mirsky

Brain studies suggest new ways to improve reading, writing and arithmetic—and even social skills

May 1, 2016 — Gary Stix

Film and book reviews from *Scientific American*’s May 2016 issue

May 1, 2016 — Clara Moskowitz

The development of statistics, probability theory, game theory and chaos theory owes a lot to people trying to figure out various games of chance.

April 19, 2016 — Steve Mirsky

Mathematician and author Adam Kucharski talks about his new book *The Perfect Bet: How Science and Math Are Taking the Luck Out of Gambling* (Basic Books, 2016).

April 14, 2016 — Steve Mirsky

Mathematician Ken Ono describes how an inspiring mentor helped him redefine his relationship with numbers in this excerpt from his new book, written with mathematics writer Amir Aczel

April 13, 2016 — Ken Ono and Amir Aczel

Processing high-level math concepts uses the same neural networks as the basic math skills a child is born with

April 12, 2016 — Jordana Cepelewicz

Top news from around the world

April 10, 2016

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