Sam Kean is the New York Times bestselling author of five books, including The Bastard Brigade, The Dueling Neurosurgeons, and The Disappearing Spoon. His stories have appeared in The Best American Nature and Science Writing, The New Yorker, The Atlantic Monthly, The New York Times Magazine, and Slate, and his work has been featured on NPR’s “Radiolab,” “Science Friday,” “All Things Considered,” and “Fresh Air.”