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Once again, we see evidence that supports what we knew all along. As my mother told me growing up, “Just sleep on it.” David VarnerPortland, Ore.
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Sleeper Effects: Slumber may fortify memory, stir insight
In two separate studies, researchers found that a specific sleep stage may amplify recent memories and that sleep can inspire problem-solving insights.
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Pushing Cancer over the Edge: Compounds trigger tumor-cell suicide
Compounds that free cancer cells to commit suicide slow tumor growth.
- Plants
Dawn of the Y: Papaya—Glimpse of early sex chromosome
Genetic mappers say that the papaya plant has a rudimentary Y chromosome, the youngest one in evolutionary terms yet found, offering a glimpse of the evolution of sex chromosomes.
