For thousands of years, people used gold as money. But why gold? Why not some other element? We tracked down an expert to find out.
For more on gold, money and the periodic table, see our story "Why Gold? A Chemist Explains."
Copyright 2014 NPR. To see more, visit http://www.npr.org/.
Missing some content? Check the source: NPR
Copyright(c) 2014, NPR