Scorpions Are Literally Metal, Study Reveals
(gizmodo.com)
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Mining the deep ocean
(arstechnica.com)
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Gold and silver prices are tumbling again today: What’s happening with safe-haven assets?
(feeds.feedburner.com)
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Bistable superlattice switching in a quantum spin Hall insulator
(feeds.nature.com)
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Silver plunges 30% in worst day since 1980, gold tumbles
(news.ycombinator.com)
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How to make metals from Martian dirt
(news.ycombinator.com)