What techniques are used to keep crops safe from insects? What happens to tomatoes when they ripen? This selection of audio slideshows covers a broad range of topics that relate to the nature of both plants and vegetables. From touring the largest display green houses in the world at the Eden Project to genetically engineering crops for African famers, this collection of case studies reveals fascinating insights into the cutting edge work conservationists and bio-chemists are doing in the field of botany. This material forms part of the Open University course S173 Plants and people.