Study: Generosity emerges from evolution of cooperation

(PhysOrg.com) -- Imagine you're dining at a restaurant in a city you're visiting for the first –– and, most likely the last –– time. Chances are slim to none that you'll ever see your server again, so ...

Facebook can help in disasters: academic

An Australian academic Friday praised the increasing use of social media during disasters, saying there had been a "beautiful display of humanity" on Facebook during recent catastrophes.

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