Changing climate: How dust changed the face of Earth

In spring 2010, the research icebreaker Polarstern returned from the South Pacific with a scientific treasure -- ocean sediments from a previously almost unexplored part of the South Polar Sea. What looks like an inconspicuous sample of mud to a layman is, to geological history researchers, a valuable archive from which they can reconstruct the climatic history of the polar areas over many years of analysis. This, in turn, is of fundamental importance for understanding global climatic development.

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