National parochialism widespread, worldwide

In our globalized world, cooperation between citizens of different countries should actually be a matter of course. But around the world, people prefer to cooperate with their own fellow citizens rather than with foreigners. ...

Study pinpoints role of social networks in happiness

(PhysOrg.com) -- A study by Cornell sociologist Matthew Brashears finds that happiness comes from having firmly held beliefs and being around people who affirm those beliefs.

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