What happened
Even low levels of traffic noise can negate the benefits of listening to natural sounds, researchers say Hearing the trill or whistle of a bird while going about daily life is well known to boost people’s mood.
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Global context
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Who is affected
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The consequence layer
AtlasHour context: this story may affect public policy, global affairs, business confidence, technology direction, energy security, or civic life.
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Three facts to keep in view
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