the site features daily games and trivia. Even if you don't typically think of mental math as fun, you'll love Proof! Find equations on the fly to collect cards and win the game. Sumoku is a simple ...

Preschoolers seem to have boundless energy. These little ones are always on the go, and finding activities that keep them ...

Postdoctoral researcher Salvador R. Vazquez and assistant professor Sarah Eason, both in the Purdue University Department of ...