Featuring Professors Martyn Poliakoff and Roger Bowley. Sodium Acetate and Hand Warmers. Our thanks to the Google Making & Science team. #ScienceGoals More #ScienceGoals videos at:    • Science Videos by our Friends! #scien...   Extra footage from this video: https://www.youtube.com/watch?v=dQsNReabghQ Professor Poliakoff on Objectivity: https://www.youtube.com/watch?v=hCyxrBXMQ_Y 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 Periodic Videos films are by video journalist Brady Haran: http://www.bradyharan.com/ Brady's Blog: http://www.bradyharanblog.com/ Additional filming and editing in this video by James Hennessy. Join Brady's mailing list for updates and extra stuff --- http://eepurl.com/YdjL9