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  1. Earth

    Pregnancy and Pollution: Women living in areas with poor air quality have babies with lower birthweights

    Pregnant women exposed even to moderate amounts of several common air pollutants tend to have babies with low birthweights.

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  2. Sleep on It: Time delay plus slumber equals memory boost

    Sleep revs up a person's ability to discern connections among pieces of information encountered in novel situations.

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  3. 19827

    I was surprised that the findings on the brain’s processing of information and discerning of relationships would come as a surprise. I have long been aware of, and have even come to count on, the fact that a surprising degree of insight and clarity often comes in the morning after having fallen asleep the night […]

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  4. Animals

    Living Fossil: DNA puts rodent in family that’s not extinct after all

    The Laotian rock rat, which is very much alive, belongs to a rodent family that supposedly vanished 11 million years ago.