This is from a series of really excellent videos about each of the elements in the periodic table. The series is being led by Brady Haran from the University of Nottingham. No – Brady isn’t the one with the wild hair. The one with the hair is Martyn Poliakoff, a chemistry professor at the university. Haran is primarily a videographer who works closely with the University, and recently received recognition for another award-winning series and website, Test Tube, that documents the ups and downs of being a scientist.