Julianna PhotopoulosBIOJulianna Photopoulos is a freelance writer covering science, technology, health, and the environment, as well as an occasional filmmaker. When she's not writing, she spends time in her garden, goes hiking or biking, and loves to snap her camera.EXPERIENCEJulianna has written for New Scientist, BBC Earth, Nature, Chemistry World, SciDev.net, Horizon, and others. She has also been a TV Researcher/ Assistant Producer at BBC Natural History Unit, presenter and producer of award-winning radio programme Vértice in Mexico, and web producer and editor for both Athens and Thessaloniki Science Festivals.