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  1. Life

    Nearness key in microbe DNA swaps

    Close quarters, like those inside the human body, are the most important factor in determining how often bacteria pick up one another’s genes.

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  2. Climate’s effect on extreme weather is no game of chance

    Climate change is supposed to be about climate, you’d think — not weather. After all, climate is what you expect in the long term, like how bad the average winter will be; weather is what you get day to day, like whether there will be frost on Halloween night. Predicting even next week’s weather often seems like […]

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  3. Health & Medicine

    Brain gene activity changes through life

    Studies track biochemical patterns from just after conception to old age.