Distillations: Science + Culture + History

All over the Midwest, farmers are cranking up their combines for the corn harvest. Modern agriculture depends on science and technology at every step of the way, from genetically modified crops, to the fertilizer on the fields, to the fuel in the tractor. SHOW CLOCK 00:00 Opening Credits 00:21 Introduction 01:21 Element of the Week: Nitrogen 03:27 Feature: Biodiesel and glycerine 08:06 Mystery Solved! Compost 10:43 Quote: Walt Whitman 11:16 Closing Credits CREDITS Special thanks to Amy Coombs and Audra Wolfe for researching this show. Additional credits available at chemheritage.org/distillations.