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Methane

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Aerial photo of Alaska

No laughing matter

The warming Arctic permafrost may be releasing more nitrous oxide, a potent greenhouse gas, than previously thought

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Sarah Rugheimer, a doctoral student in astrophysics, stands near the telescope atop the Science Center roof. She is investigating how to probe distant planets for signs of life.

Charged air

Doctoral student focuses on atmosphere in search for extrasolar life

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