20:32DiscoveryScience Stories17/02/2020 GMTBBC World Service Duration: 27 minutes Mon 17th Feb 2020, 20:32 on BBC World Service Americas and the CaribbeanMary Somerville, pioneer of popular science writing. Show more GenresFactualScience & NatureFormatsMagazines & ReviewsBrandDiscoverySeriesDiscovery: Science Stories Source: BBC Online