Statistics reveal that 90% of South Africa’s food ends up in the landfill and on this show, we find out from the University of Free State’s researcher and diet professor, Louise Van Der Burg about what is driving food insecurity nationally and globally. Later in the show, we hear about a peculiar concept of preserving sperm to make it viable for baby making in space, in this week’s Unscience. Finally, we chat to Co-operative and Policy Alternative’s Centre’s coordinator, Jane Cherry about a vegetable garden set up to feed and supply underprivileged Wits students with fresh produce. wits.journalism.co.za