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Yellowstone holds potentially untapped cache of 'carbon-free' helium for rockets, reactors and superconductors

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88% Informative

Helium is produced almost exclusively as a byproduct of natural gas (methane), but scientists are searching for greener sources to limit global warming.

A new study of ancient rocks beneath Yellowstone National Park and two other regions inches closer to providing answers.

Helium results from the decay of uranium and thorium, which takes billions of years .

The study examined three locations that satisfy most of these conditions.

You must confirm your public display name before commenting Please logout and then login again, you will then be prompted to enter your display name. Iran 's folded rocks: The crumpled mountains at the intersection of Asia and Europe 'Quiet Chernobyl ' changed Earth 's surface so much the planet's mantle is still moving 80 years later .

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90

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90

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65

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formal

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English

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54

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long-living

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