1. Offshore Gold Rush: "AngloGold Ashanti and De Beers, two of the world’s largest metals and minerals mining companies, are searching for gold deposits under the Atlantic sea. Both companies are currently carrying out lots of research into the technical feasibilities of carrying out gold exploration under the seas." Just as Julian Simon and ECON 101 would have predicted - higher commodity prices stimulate exploration and discovery, often then leading to greater supply and lower prices, i.e. high prices today frequently lead to lower prices tomorrow.
4. Roads battered by heavy truck traffic in western North Dakota's oil country are hampering development and driving up shipping costs, but hey, they've got a $1 billion surplus. (HT: Buddy Pacifico)