Test your knowledge of taxicab geometry, triangular numbers, the golden ratio and more.

While technology can be a great tool for schools, sometimes all you need is a pencil and paper to make an impact.

BULAWAYO, Zimbabwe (AP) — South Africa equalled its longest winning streak in men's test cricket when it finished off Zimbabwe by 328 runs on Tuesday.

Bosch shines with maiden five-for in South Africa's record-tying 9th straight test win South Africa has equalled its longest winning streak in men’s test cricket when it finished off Zimbabwe by ...