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  1. Earth

    Sandy clues to ancient climate

    The orientation of dunes in north-central Nebraska indicates that the climate there a millennium ago was much different than it is today.

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  2. From Mind to Matter: Data analysis challenges psychokinesis

    Numerous experiments in which volunteers mentally attempt to influence the output of computers that generate random sequences of 1s and 0s have failed to show that individuals can use their minds to manipulate the physical world.

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  3. Deadly Disorder: Imagined-ugliness illness yields high suicide rate

    The suicide rate among people with a psychiatric disorder that causes them to perceive themselves as ugly is higher than that among people with major depression.