The Necessary Spice


The Necessary Spice

Spices are essentially chemical weapons. They protect a plant from animals and microbes. yet humans long ago learned to hack these defenses and use them to flavor their food. Join Robert and Julie for a discussion of spice and evolution.

Image Caption: A spice market in Marrakesh, Morocco. (Lonely Planet/Getty Images)

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Topics in this Podcast: plants, Food, chemical weapons, evolution