The Markov numbers reveal the secrets of irrational numbers and the patterns of the Fibonacci sequence. But there’s one question about them that has resisted proof for over a century. Most people are ...

Teachers draw maps to visualize directions described in a picture book. Spatial awareness is a key early math concept. Credit: Camilla Forte/ The Hechinger Report The Hechinger Report covers one topic ...

In 1852 mathematician Francis Guthrie asked a seemingly simple question that triggered endless dispute, left a trail of overturned publications in its wake and culminated in a resolution that has ...