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Cryptocurrency
fromwww.mcall.com
10 months ago

The penny costs nearly 4 cents to make. Here's how much the US spends on minting its other coins

The U.S. penny's production cost exceeds its face value, prompting the Mint to cease production.
US politics
fromtime.com
10 months ago

The Economics of Deep-Sea Mining Don't Add Up

Deep-seafloor mining focuses primarily on nickel and cobalt, but evolving battery technologies are making these metals less relevant.
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