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  1. Health & Medicine

    Cuff therapy boosts growth factor

    Cuffs that squeeze the legs of heart patients may relieve angina by boosting growth factors, which help build new blood vessels needed to nourish oxygen-starved heart muscle.

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  2. It smells yellow to me

    The colors associated with a smell can influence the brain's perception of the odor.

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  3. Babies babble in just the right way

    Infants babble out of the right side of their mouths, suggesting that the infantile sounds are more than noise.

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  4. Animals

    The Tropical Majority

    The abundant studies of temperate-zone birds may have biased ornithology when it comes to understanding the tropics.