Marnie Webb of TechSoup Global explains how everything from texting to social media is changing how we respond to disaster. Also, scientific team pieced together satellite imagery of Haiti after the earthquake. A professor describes how such disaster assessments can predict, and prevent, the next major disaster. And scholars believe that within 50 years up to 50 percent of the world's languages will disappear. In our Global Activism segment we talk with a group partnering with communities to preserve their cultural heritage.
