Hannah Fry shows how maths can explain real world events. From crimes to relationships, patterns in numbers such as Benford's law on the prevalence of numbers starting with 1', help us predict the future. Subscribe for regular science videos: http://bit.ly/RiSubscRibe Dr Hannah Fry is a UCL lecturer in the Mathematics of Cities, whose TEDx talk has been viewed over half a million times. She’ll show how maths can be used to predict the future. This was filmed at the Ri at Ada Lovelace Day 2014. Ada Lovelace Day is an international celebration of the achievements of women in STEM. For one night only, the Ri hosted a ‘cabaret of science’ for Ada Lovelace Day 2014, with talks and performances from Roma Agrawal, Caro C, Hannah Fry, Konnie Huq, Turi King and more, all sharing their inspirations and their passion for science, technology, engineering and maths. http://findingada.com/ https://twitter.com/findingada The Ri is on Twitter: http://twitter.com/ri_science and Facebook: http://www.facebook.com/royalinstitution and Tumblr: http://ri-science.tumblr.com/ Our editorial policy: http://www.rigb.org/home/editorial-policy Subscribe for the latest science videos: http://bit.ly/RiNewsletter