Nights for Monday 26 January 2015
7:15 Easter Island obsidian
Analysis of obsidian artefacts now challenge the generally accepted idea that civilisation on Easter Island collapsed due to self-induced environmental degradation – with anthropologist Prof Thegn Ladefoged from the University of Auckland.
Gallery: Easter Island obsidian
8:10 Windows on the World
International public radio documentaries - visit the Windows on the World web page to find links to these documentaries.
What's your poison? Toxicologist Dr Leo Schep tests for substances taken internally or applied externally that are injurious to health or dangerous to life and looks at the history of synthetic cannabinoids.
9:10 Spiritual Song
Publisher John Thornley on the magazine Music in the Air, which explores song and spirituality, from the church to the pop charts.
10:00 Late Edition
11:06 Beale Street Caravan
David Knowles introduces the Memphis-based radio show with an international reputation for its location recordings of blues musicians live in concert (3 of 13, BSC)