A new video on the element Manganese. Reddit discussion: http://redd.it/2yhmrv Featuring Sir Martyn Poliakoff and Dr Samantha Tang. 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/