image: Excavation below ash revealed a Middle Paleolithic layer. This image relates to an article that appeared in the 06 July 2007 issue of the journal Science, published by AAAS. The study, by Dr. Michael Petraglia and colleagues at University of Cambridge in Cambridge, UK, was titled "Middle Paleolithic Assemblages from the Indian Subcontinent Before and After the Toba Super-Eruption." view more
Credit: Photo copyright <i>Science</i>-AAAS