image: Yucatán Peninsula Lake recording the isotopic composition of rainfall. This image relates to a paper that appeared in the Feb. 24, 2012, issue of Science, published by AAAS. The paper, by Martin Medina-Elizalde at the University of Southampton in Southampton, UK, and colleagues was titled, "Collapse of Classic Maya Civilization Related to Modest Reduction in Precipitation." view more
Credit: Image © <i>Science</i>/AAAS