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# Episode Title Description People Date
1 Plants and People: Cotton, Sugar and Quinine A lecture given by Timothy Walker to biology undergraduates as part of the Plants and People Course in which the close relationship between these three plants and human history are examined. Timothy Walker 26 Feb 2013
2 Creative Commons 05. Energy from the sun How plants use energy from the sun to make food from carbon dioxide and water. Alison Parkin 18 Oct 2012
3 A Spoonful of Sugar Part of the Healing Power of Plants lecture series held at the Botanic Gardens. Robert Nash 21 Dec 2010