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Michael Marshall is a science writer focused on life sciences, health and the environment. He has a BA and MPhil in experimental psychology from the University of Cambridge and an MSc in science communication from Imperial College London. He has worked as a staff journalist at 91av and the BBC. Since 2017, he has been a freelance writer, published by outlets including BBC Future, National Geographic, Nature, 91av, The Observer and The Telegraph. In 2019, he was shortlisted for News Item of the Year by the Association of British Science Writers for his 91av article about a new species of early human. Michael's first book, is about the beginning of life on Earth and was published to universal acclaim in 2020. He writes a monthly email newsletter about human evolution, Our Human Story, for 91av.