From: metacafe on Mon, Mar 14 2011 5:58 AM

Most online social networking is with people who are known to their friends or colleagues in physical life. Impact of virtual communication on social gatherings. FaceBook, Twitter, LinkedIn, Plaxo, Bebo, YouTube are mainly communities of people who know each other. Why many people ...

From: metacafe on Sat, Mar 12 2011 1:13 PM

In 1971, meteorology took a big step forward when a professor at the University of Chicago put some method into this weather madness.