Helping your fellow rat: Rodents show empathy-driven behavior

The first evidence of empathy-driven helping behavior in rodents has been observed in laboratory rats that repeatedly free companions from a restraint, according to a new study by University of Chicago neuroscientists.

'Emotional contagion' sweeps Facebook

When it hasn't been your day – your week, your month, or even your year – it might be time to turn to Facebook friends for a little positive reinforcement. According to a new study by social scientists at Cornell, the ...

Facebook feelings are contagious, study shows

You can't catch a cold from a friend online. But can you catch a mood? It would seem so, according to new research from the University of California, San Diego.

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