The effect of listening to our MP3 in public transport

A little bit more in addition to one of the last posts about public transport: it seems like we can bear the vicinity of strangers more easily when listening to happy music through headphones. Positive music makes the borders of our personal space smaller!
Read more about this research, done by psychologists from the University of London, at:

http://www.plosone.org/article/info:doi/10.1371/journal.pone.0026083