Video of the researchers explaining how this happens and how the gold can be detected: http://www.abc.net.au/news/2013-10-23/an-gold-found-in-gum-tree-leaves/50

Video of the researchers explaining how this happens and how the gold can be detected: http://www.abc.net.au/news/2013-10-23/an-gold-found-in-gum-tree-leaves/5039226 http://www.abc.net.au/news/2013-10-23/an-gold-found-in-gum-t...