Guest Host: Steve Roberts

The little known story of two scientists who helped create the key ingredient used in modern-day fertilizer – synthetic nitrogen. A look at how their invention saved millions from dying of starvation but also came with dark and tragic consequences.

Guests

  • Thomas Hager author of "The Demon Under the Microscope" and more than a hundred news and feature articles in "Readers' Digest," the "Wall Street Journal," "Medical Tribune," and other publications.

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