EARTH Magazine: October 2014

EARTH Magazine is the monthly publication of the American Geosciences Institute covering the latest news in Earth, Energy, and Environmental Science. Each month, EARTH brings you features, news stories, commentaries, interviews, and special sections like Earth Exposures and Where on Earth? In this month’s issue, EARTH covers a wide range of topics, including: • Santiaguito Volcano’s clockwork behavior provides an exceptional laboratory • Virtual water: Tracking the unseen water in goods and services • Winter sun and tectonic tales in Tucson • Spanish invasion altered Peru’s coast • Kids send experiments to the space station