Mr. Cohen earned his B.A. in science writing from the University of California, San Diego. He is a senior staff writer with Science and has published widely in other magazines and newspapers—including The New Yorker, The Atlantic, The New York Times Magazine, Smithsonian, Technology Review, Outside, Slate, Wired, and Surfer—as well as publishing four nonfiction books on scientific topics. He specializes in covering biomedicine with a focus on HIV/AIDS, other infectious diseases, immunology, vaccines, and global health, and has reported extensively on genetics, primate research, evolution, bioterrorism, research funding, ethics, reproductive biology, credit battles, and the media itself. He has appeared on several national TV and radio programs, including the PBS NewsHour, Today, Larry King Now, and NPR’s Fresh Air, Marketplace, and All Things Considered. Mr. Cohen has received frequent recognition for his contributions to science journalism, and his articles have twice been selected for The Best American Science and Nature Writing anthology (2008 and 2011). His books and stories have won awards from the National Association of Science Writers, the Council for the Advancement of Science Writing, the American Society for Microbiology, the American Society of Tropical Medicine and Hygiene, the Global Health Council, the Pan American Health Organization, the National Academy of Sciences, the Treatment Action Group, and the Gaia Vaccine Foundation (photo: Malcolm Linton).