How can you test if gold is pure? Some methods are more destructive than others
When it comes to gold, how pure is pure? And how does anybody know?
When it comes to gold, how pure is pure? And how does anybody know?
Analytical Chemistry
Mar 7, 2023
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33
Destruction of key hydrothermal vents by deep-sea mining could have knock-on impacts for vent fields hundreds of kilometers away, suggests a new paper published in Ecology and Evolution.
Ecology
Feb 15, 2023
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50
As companies race to expand renewable energy and the batteries to store it, finding sufficient amounts of rare earth metals to build the technology is no easy feat. That's leading mining companies to take a closer look at ...
Ecology
Jan 18, 2023
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10
At last year's US Africa leaders summit in Washington the US signed an historic memorandum of understanding with Zambia and the Democratic Republic of Congo to develop an electric vehicle battery supply chain.
Environment
Jan 9, 2023
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3
In the Utah desert, a treeless expanse of pristine white salt crystals has long lured daredevil speed racers, filmmakers and social media-obsessed tourists. It's so flat that on certain days, visitors swear they can see the ...
Environment
Nov 2, 2022
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19
Ramping up renewable energy products will require a range of critical metals. One of these elements, tellurium, is gaining in popularity for use in photovoltaics, or solar panels. As global demand for solar panels continues ...
Earth Sciences
Oct 11, 2022
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15
Lithium may be the lightest of all metals, but demand for it has been extremely heavy in recent years.
Environment
Sep 30, 2022
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29
What will be the impact to the ocean if humans are to mine the deep sea? It's a question that's gaining urgency as interest in marine minerals has grown.
Earth Sciences
Sep 21, 2022
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204
Despite learning that climate change is hitting the planet faster than scientists predicted, society has been slow to decrease the use of fossil fuels and reduce greenhouse gas emissions.
Environment
Jul 20, 2022
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8
New research published today in the peer-reviewed journal Science examines the potential for underwater noise pollution from seabed mining operations, which could affect the understudied species that live in the deep sea—the ...
Environment
Jul 7, 2022
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164