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.
