Ice cores are a unique climate archive. Thanks to a new method, greenhouse gas concentrations in 1.5 million year old ice can be measured even more accurately. Ice cores are a unique climate archive.
Longitudinal ice core samples awaiting analysis for lead and other chemicals using the continuous ice core analytical system at the Desert Research Institute (credit: Jessi LeMay) Disclaimer: AAAS and ...
The five tents sitting on the white expanse of the Clark Glacier look more like a winter camping site than a scientific field camp. Skis stick out of the snow. A pot on the propane stove holds melted ...
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