Insects from the Distant Past exhibition The exhibition includes two species of live cockroach: the winged cave cockroach and the wingless Madagascan hissing cockroach Dr Ian McKay, co-ordinator for the School of Geosciences Programme at Wits University, poses with a living Madagascan hissing cockroach This model of an ancient cockroach hangs above one of the fossil displays This drawing shows the details that a fossil of an insect can show us The exhibition features models of some of the fossilised insects Look through the magnifying glass at insects perfectly preserved in amber A beautifully preserved, 2.5-million-year-old centipede from the Cradle of Humankind. This is a 91-million-year-old fossil from the time of the dinosaurs