Environment What Will Mexico Do When Its Deadliest Volcano Erupts? Popocatépetl, Mexico's largest active volcano, sits next to some major population hubs. With a major eruption forecasted within the next 100 years, will the public be ready? Mark Oprea
News in Brief There’s a Sociological Explanation for Why People Rush in to Help Communities Struck by Disaster "Mass assault" may sound like a felony, but it's actually an exercise in mass healing. Kelly Caldwell
Environment Scenes From India’s Deadly Dust Storm A vicious dust storm ripped through northern India, causing chaos in the streets. Ashley Hackett
Environment How to See Disaster Coming Researchers analyze mathematics of rapid change in complex systems and find room for improvement—and hints at mitigation. Nathan Collins