The darkness down the yellow-brick road - The Globe and Mail

The darkness down the yellow-brick road - The Globe and Mail: "At least we come by our gold obsession honestly. Gold is rare, and always has been. Most estimates suggest no more than 160,000 tons of gold have been mined throughout history, most of it in the past 50 years. If you melted and reformed all that gold, it would make a cube measuring 20.2 meters on each side – a shiny block that would fit into about half a hockey rink."