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Landslides Triggered by Nepal Earthquakes

A new report from the U.S. Geological Survey provides critical landslide-hazard expertise to Nepalese agencies and villages affected by the April 25, magnitude 7.8 earthquake that shook much of central […]

chaos

A new litmus test for chaos?

Can the flap of a butterfly’s wings in Brazil set off a tornado in Texas? This intriguing hypothetical scenario, commonly called “the butterfly effect,” has come to embody the popular […]