![](http://static.ddmcdn.com/gif/bokan-250.jpg)
One of the biggest rare-earth gambles is at Alaska's Bokan
Mountain. Once mined for uranium, the granite peak on Prince of Wales
Island contains rich veins of the harder-to-find heavy rare-earth
elements.
![](http://static.ddmcdn.com/gif/blogs/dnews-files-2013-06-Joides-Resolution-sediment-drilling-ship-Peru-250.jpg)
Marine biologists discovered that microbes are living 521
feet (129 meters) beneath the seafloor off the coast of Peru.
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