FORT LEE — For 10 seconds, a series of 50 random three-digit numbers flashed on the screen. After another second, abacus master Jeonghee Lee announced she'd finished the mental addition, correctly ...

Editor's note: Chinese Zhusuan refers to the knowledge and practice of performing arithmetic calculations using an abacus. It was added to UNESCO's Intangible Cultural Heritage list in 2013, becoming ...

Space to play or pause, M to mute, left and right arrows to seek, up and down arrows for volume. It might look like a game or a kids' toy but those sliding beads actually have the power to solve some ...

China's Zhusuan or the knowledge and practice of arithmetic calculation using an abacus, has been nominated by UNSECO for competition to be listed as World Intangible Cultural Heritage. The final ...

The abacus, that ancient, no-batteries-required, bead-based calculator, is making a comeback in after-school programs across Canada. The schools, which are modelled after programs common across India ...