A linear sequence goes from one term to the next by always adding (or subtracting) the same value. The number added (or subtracted) at each stage of the linear sequence is called the common difference ...

Two mathematicians have proved that a straightforward question—how hard is it to untie a knot?—has a complicated answer.

For years, a French mathematician searched for a proof that a gigantic number is prime. His method is still used 150 years ...

Essentially, Perlut says squirrels visualize a color-coded mental map of their territory: one “color” for where they buried ...

The shake-up in China’s armed forces comes as both Beijing and Washington are pushing through major changes in their country’s militaries, in different ways. By David Pierson The rare explosions in ...

Years ago, no math education was complete without understanding how to compute a square root. Today, you are probably just ...