21:30The Life ScientificJim McDonald on power networksBBC Radio 4 Duration: 28 minutes Tue 5th May 2020, 21:30 on BBC Radio 4 FMAvailable for over a yearListen nowIs the National Grid fit for purpose? Jim McDonald talks to Jim Al-Khalili. Show more GenresFactualLife StoriesFactualScience & NatureFactualScience & NatureScience & TechnologySeriesThe Life Scientific Source: BBC Online