Katherine Harmon Courage is a freelance science journalist and contributor for Scientific American. Her work has appeared in The New York Times, The Washington Post, NPR, Wired, The Best Science and Nature Writing anthology and elsewhere. She is the author of two books: Cultured: How Ancient Food Can Feed the Microbiome and Octopus! The Most Mysterious Creature in the Sea. You can follow her on Twitter at @KHCourage
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