The US is worried about its critical minerals supply chains – essential for electric vehicles, wind power and the nation's defense

When U.S. companies build military weapons systems, electric vehicle batteries, satellites and wind turbines, they rely heavily on a few dozen “critical minerals” – many of which are mined and refined almost entirely by other countries.

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Business energy national United States global The Conversation

What is mRNA? The messenger molecule that's been in every living cell for billions of years is the key ingredient in some COVID-19 vaccines

One surprising star of the coronavirus pandemic response has been the molecule called mRNA. It’s the key ingredient in the Pfizer and Moderna COVID-19 vaccines.

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science health COVID-19 Coronavirus The Conversation
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