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Contact: Kim Martineau
kmartine@ldeo.columbia.edu
646-717-0134
The Earth Institute at Columbia University

Leo Pena With Microscope

Caption: In this image, Leo Pena (above) and colleagues analyzed fossil plankton shells to reconstruct ocean circulation over the last 1.2 million years.

Credit: Kim Martineau

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Related news release: Ancient ocean currents may have changed pacing and intensity of ice ages


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