Jude Goodier-Mojher leads a discussion during docent training last week at the museum. In the background are some pieces from the exhibit. The room is painted the same bright blue as an African sky.

Johannesburg - Circles and squares. Rectangles and angles. Cones and cylinders and trapezoids. A science museum is using art and tradition to teach maths to poor children in some of South Africa's ...

Mahlangu didn't attend any formal schooling but her vibrant and distinctive artwork has earned her honorary doctorates and luminary status in contemporary African arts both locally and internationally ...