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Jonah Lehrer passes along a new study (more details at his place):

I've written before about the powerful mental benefits of communing with nature - it leads to more self-control, increased working memory, lower levels of stress and better moods - but a new study by psychologists at the University of Rochester find that being exposed to wildlife also makes us more compassionate. Nature might be red in tooth and claw, but even a glimpse of greenery can make us behave in kinder, gentler ways.

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