Now, more than 122 years after it was first proposed, Kamata and two other mathematicians have finally proved that a solution ...

The task seems simple, but Williams’ goal was to bolster students’ “number sense” — a difficult-to-define skill, but one that is nevertheless essential for more advanced mathematics. One student with ...

Chemists identify a single molecule that naturally tiles in nonrepeating patterns, which could help build materials with novel electronic properties.