Natalie Starkey is a geologist and cosmochemist. Following a PhD at Edinburgh University studying the geochemistry of Arctic volcanoes, Natalie's post-doctoral work at The Open University shifted her research focus to comet and asteroid samples. It was at this time she got the chance to analyse samples returned by the NASA Stardust and JAXA Hayabusa space missions.Natalie's passion for her research makes her a keen science communicator. She received a British Science Association Media Fellowship in 2013, and regularly appears on television and radio internationally, as well as being a science host on Neil deGrasse Tyson's popular StarTalk Radio. Her writing includes numerous articles for the Guardian, and she is a regular contributor to The Conversation website.@starkeystardust / nataliestarkey.com