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Earth

Scientists are braving Arctic winters to study carbon frozen in soil. They keep finding surprises -- all of them bad.

Nala Rogers, Staff Writer

Short-lived chemicals not covered by international treaty may travel fast enough to harm Earth's protective ozone layer.

Nala Rogers, Staff Writer

Magnified, the whisker-like deposits look like tiny rolled cigars.

Catherine Meyers, Editor

Geological data holds hidden patterns that can reveal new minerals and undiscovered Earth events.

Nala Rogers, Staff Writer

New findings suggest that a still-widespread tradition could cause increased lead levels in mothers and their children.

Teresa L. Carey, Contributor

New findings suggest current oxygen-producing bacteria borrowed the ability from a possibly extinct lifeform.

Charles Q. Choi, Contributor

A solution that clings to plant leaves could make pesticide application more efficient and minimize soil contamination.

Yuen Yiu, Staff Writer

A new model describes how floating ice can get jammed in a narrow strait, creating a giant frozen walkway.

Charles Q. Choi, Contributor

Researchers used light-based technique to examine 195-million-year-old bone's chemical contents.

Charles Q. Choi, Contributor

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