This is what happened when virtual tutor Maths-Whizz took charge of a six-year-old's maths lessons at the kitchen table There are some things computers are better at than humans and it's about time we ...

As a ninth-grader, Shanghai's Li Sixin spent more than three hours on homework a night and took tutorials in math, physics and chemistry on the weekends. When she was tapped to take an exam last year ...