Recently on the show we've been talking a bit about Genetic Modification, and the Gene Technology bill currently in front of Parliament. So far, we've mostly focused on food. The pros, cons and issues with labelling. You can listen to all of those via the afternoons page on the RNZ website. Today we're looking at another application of the technology - helping us meet our predator free 2050 goal. To that end, Professor Peter Dearden is leading a research project at the university of Otago to create genetically modified wasps. He talks to Jesse.