Olivia Judson is an evolutionary biologist and writer. Her award-winning book, Dr Tatiana’s Sex Advice to All Creation: The Definitive Guide to the Evolutionary Biology of Sex, has been translated into more than 15 languages, and was also made into a TV show. For two years, she was the author of a popular online column in The New York Times; she has also contributed to publications such as National Geographic, The Guardian, and The Economist. Affiliated with both Imperial College London and the Freie Universität Berlin, she is presently writing a history of life and Earth.