Dull? Boring? Plain? Vanilla is a byword for something which is ordinary or standard. In this programme Ruth Alexander finds the story of the popular spice is anything but normal. Originating in Mexico it’s travelled the globe and taken over, and is now one of the most valuable commodities...

How do our work habits shape what we eat? In this programme Izzy Greenfield discovers the history of the workplace lunch and the ways in which society has reshaped it. Historian Megan Elias of Boston University in the US explains how lunches have evolved from the factories of the 19th century...

Water scarcity is an increasing problem on every continent, according to the United Nations. Around half the world’s population experiences severe water scarcity for at least part of the year, according to a report by the Intergovernmental Panel on Climate Change. Global warming and population...