Jheni Osman is a science presenter, journalist and author. Her books include 100 Ideas That Changed the World (BBC Books) and The World’s Great Wonders (Lonely Planet). She writes for BBC Focus magazine, and presents for BBC Radio 4’s Costing the Earth and SciTech Voyager for TRT World. She is former Editor of BBC Focus magazine. Before that she played tennis professionally, representing Great Britain, playing at junior Wimbledon and modelling for Nike. Her love of wildlife and adventure developed while growing up in the Caribbean. She has travelled extensively, lived in Istanbul, been involved in conservation projects, swum with whale sharks and climbed to the summit of Europe’s highest mountain, Mont Blanc.