´óÏó´«Ã½

"Did you feel it?" – how the US Geological Survey studies earthquakes, including gathering online citizen reports. Understanding the reasons for earthquakes in India and Asia. How we are all a mixture of risk-taking and playing-it-safe personality traits. No-car days as China tries to reduce air polution in Beijing ahead of the Olympics, and a look at monitoring pollution from space. Plus, understanding the evolution of eyes from studying hydra.