martes, 23 de marzo de 2010

E-waste: Crude recycling methods used in developing countries contaminate air, water and soil, researchers say


ScienceDaily (2010-03-22) -- Money only makes people happier if it improves their social rank, according to new research. The researchers found that simply being highly paid wasn't enough -- to be happy, people must perceive themselves as being more highly paid than their friends and work colleagues.

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