Higher education internationally is in a state of transition and transformation, leading to an increase in the level of participation, and a consequent increase in number of non traditional and underprepared students. The appearance of these students provides a particular challenge in the sciences where adequate grounding is crucial. One response to this challenge has been the provision of access, foundation or "second chance programmes" which operate on different models internationally. In South Africa, where the push for equity is strong in the wake of the apartheid era, programmes have...