They were the hard men of central America, yet produced the most exquisite art. The Aztecs were a mass of contradictions, says Waldemar Januszczak

The Chapman brothers’ spoof tribal fetishes mock McDonald’s and modernism to hilarious effect, says Waldemar Januszczak

The Turner Prize short list is embarrassingly light on talent, says Waldemar Januszczak

Helen Chadwick’s work makes clear that art will always have an important role to play in the modern world