Rapid Earth Changes in Historic Times
December 6, 2016
What happened to the Sahara desert? What's going on in Java, man? Geologists are surprised sometimes by recent major changes.
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Possible Super-Grand Canyon Found Under Antarctica
January 14, 2016
Another record-breaking canyon may exist under the ice of the south polar continent, carved by water.
Scientific Markers Can Mislead
June 26, 2012
In historical sciences, observable phenomena are often used as indicators of past phenomena. Some recent examples show how these can mislead researchers.