A polite act shows respect. But a new study of a common etiquette -- holding a door for someone -- suggests that courtesy may have a more practical, though unconscious, shared motivation: to reduce the work for those involved. The new research is among the first to combine two fields of study ordinarily considered unrelated: altruism and motor control.
More Reasons To Be Nice: It's Less Work For Everyone
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Wed, 03/09/2011 - 4:39pm
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