ROWAN JACOBSEN writes about science and nature and the less-explored corners of the world for Harper’s, Outside, The Atlantic, Scientific American, Smithsonian Magazine, The New York Times, The Washington Post, MIT Technology Review, Bloomberg Businessweek, and others. He is the author of nine books, including A Geography of Oysters, Fruitless Fall, and Truffle Hound. He has performed with Pop-Up Magazine, lectured at Harvard and Yale, and appeared on CBS, NBC, and NPR. He has been an Alicia Patterson Foundation Fellow, writing about endangered diversity on the borderlands between India, Myanmar, and China; a Knight Science Journalism Fellow at MIT, focusing on the environmental and evolutionary impact of synthetic biology; and a Nova Media Fellow, researching the science of sun exposure. In his most recent book, In Defense of Sunlight: The Surprising Science of Sun Exposure (Scribner), he argues that sunlight is one of the simplest, and most equitable, treatments for a variety of health issues, from diabetes to dementia to multiple sclerosis.