His friend Chris Bryer-Ash was forced to pull out of the challenge on day three after being admitted to hospital with a viral ...
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Interesting Engineering on MSNBuried fortune: US finds $8.4 billion in rare earths sitting in coal ash landfillsFor years, the United States has depended on imports of rare earth elements, the critical materials found in everything from smartphones to renewable energy technologies. But in a surprising twist, ...
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