Vacuuming potato-size nodules of valuable metals in the deep sea, and an expedition to an asteroid 290 million kilometers away

Science | AAAS | 3/21/2019 | Staff
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Pirate’s gold may not be that far off, as there are valuable metals embedded in potato-size nodules thousands of meters down in the depths of the ocean. Host Meagan Cantwell talks with Staff Writer Paul Voosen about the first deep-sea test of a bus-size machine designed to scoop up these nodules, and its potential impact on the surrounding ecosystem.

In an expedition well above sea level, the Hayabusa2 spacecraft touched down on...
(Excerpt) Read more at: Science | AAAS
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