We're in Paris and then Moscow for the launch of the International Year of the Periodic Table. More links and info in full description ↓↓↓ More on UNESCO's The International Year of the Periodic Table: https://www.iypt2019.org Thank you to the British Embassy in Moscow for its assistance. Support us on Patreon: https://www.patreon.com/periodicvideos More chemistry at http://www.periodicvideos.com/ Follow us on Facebook at http://www.facebook.com/periodicvideos And on Twitter at http://twitter.com/periodicvideos From the School of Chemistry at The University of Nottingham: http://bit.ly/NottChem With thanks to the Garfield Weston Foundation. Periodic Videos films are by video journalist Brady Haran: http://www.bradyharan.com/ Brady's Blog: http://www.bradyharanblog.com Join Brady's mailing list for updates and extra stuff --- http://eepurl.com/YdjL9