Your brain is more responsive to friends than to strangers, even if the stranger has more in common, says a study in The Journal of Neuroscience. Researchers examined a brain region known to be involved in processing social information, and the results suggest that social alliances outweigh shared interests. The study, led by graduate student… Read more

Online social networks tend to be far larger than their real-life counterparts, but online users say they have about the same number of close friends as the real-life average person. The ever expanding presence of online social networking sites like Twitter and Facebook is changing the average number of friends people have, with some users… Read more