Is there an infinity of infinities? The question sounds almost absurd, like a child’s riddle meant to twist your brain into knots. But for mathematicians, it’s a serious (and endlessly fascinating) ...

Regarding the Bloomberg guest editorial, “For too many kids, math isn’t adding up” (Nov. 20 print edition): Memorizing math rules does not always lead to understanding math problems. It may lead to ...

Mathematician Manil Suri discusses why math is essential to preserving civil society. Mathematician Manil Suri discusses why math is essential to preserving civil society. The Open Mind is available ...

A set of the six sides of a die matches up one-to-one with a set of red shoes, helping illustrate Georg Cantor's set theorem. Image courtesy of GBH/NOVA It can be easy to take math for granted. But ...

Keith Perkins, foreground, works through an algorithm for calculating ladder rung spacing in Linn-Benton Community College’s math for welders class. Credit: Jan Sonnenmair for The Hechinger Report The ...

Clarification: This story has been updated to clarify how University of Colorado researchers handle their data collection. A student digs into a math problem that references his favorite superhero, ...