ScienceDaily: Christian Koeberl, head of the Department of Lithospheric Studies at the University of Vienna (Austria), has recently returned from an expedition to Arctic Siberia. He is one of the principal investigators of a drilling project at the El’gygytgyn meteorite impact crater that is coordinated by the International Continental Scientific Drilling Program (ICDP) and that was recently concluded. The main goals of the project are to obtain, from analyses of the drill cores, new information …