Carol Clark is a senior science communicator at Emory University. She tells the stories of the natural and social sciences by producing a blog, esciencecommons.blogspot.com, news releases and videos. Her journalism background includes working the police beat on a small-town Texas newspaper and as an online producer and features writer for CNN.com. She also lived in Singapore, and in Bangkok, Thailand, where she worked as a reporter and editor, most notably for a magazine about the gemstone trade. Don’t ask her about your diamonds, rubies and sapphires unless you really want to know the truth.