Over 350 children from 30 African countries gathered in Kigali on Saturday, October 18, for the 2nd Shenmo Africa Cup Abacus Mental Math Olympiad, a fast-paced, high-energy arithmetic competition.

Our electronics writer loves noise-canceling headphones, and he spent weeks testing Bose’s latest to see what’s actually new and how they compare to the best.

Red Bull’s Max Verstappen raced to his third victory in four races Sunday at the Formula 1 United States Grand Prix, while ...