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The way Earth's 'thermostat' works may have changed during Pangea era

Earth Sciences

Read it at Phys.org

Life arose on Earth at least 3.5 billion years ago, and our planet has remained habitable ever since—not too hot, not too cold. These life-sustaining conditions are possible in part thanks to a built-in, carbon cycle–based…

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(1 h ago)
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Phys.org
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Science
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Headline and 36-word snippet. The full article is at the source.

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A laser optics experiment