hidden

Nicholas Christakis: The hidden influence of social networks

www.ted.com We’re all embedded in vast social networks of friends, family, co-workers and more. Nicholas Christakis tracks how a wide variety of traits — from happiness to obesity — can spread from person to person, showing how your location in the network might impact your life in ways you don’t even know.TEDTalks is a daily

7 Non-famous Engineering Wonders of the Modern World

Would you believe that the tallest bridge in France reaches higher than the Eiffel tower, or that a single dam in China can hold back 1.4 trillion cubic feet or water? Each of the projects depicted here has set at least one world record for its height, scale, daring or ingenuity. From Venice to Boston,

Watch Out: Google tweaks Buzz privacy settings

Google announced some changes to Google Buzz late Thursday that show it has belatedly recognized the backlash over privacy concerns with the new service.