Welcome to Coober Pedy, the town that lives underground. Originally a mining town, many of the residents of Australia's Coober Pedy live in dugouts to escape the heat. During the town's summer months, ...
A giant opal that weighs nearly 12,000 carats received a six-figure bid at an auction in Anchorage, Alaska. The precious stone, which is split in two, was sold for $143,750 on Sunday by Alaska Premier ...
If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in ...
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