07:32DiscoveryKatherine JoyBBC World Service Duration: 27 minutes Tue 19th Nov 2019, 07:32 on BBC World Service East and Southern AfricaAvailable for over a yearListen nowJim Al-Khalili talks to Katherine Joy about her work with moon rock. Show more GenresFactualScience & NatureFormatsMagazines & ReviewsBrandDiscovery Source: BBC Online