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The worst noises in the world: Why we recoil at unpleasant sounds Posted: 12 Oct 2012 08:24 AM PDT Heightened activity between the emotional and auditory parts of the brain explains why the sound of chalk on a blackboard or a knife on a bottle is so unpleasant. |
Old adage 'sleep on it' is true -- but only if it's a really difficult problem, study shows Posted: 12 Oct 2012 04:47 AM PDT A new study has found that sleeping on a problem really can help people to find a solution. The study tested whether sleep or time spent awake worked best in helping people find the solutions to a range of problem solving tasks. |
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