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Flies are attracted to glycerol, a chemical in beer produced during fermentation. Understanding more about the genes responsible for taste and smell in flies could help make powerful insect repellents. iStockphoto.com hide caption

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iStockphoto.com

Beer Or Sugar Water? For Flies, The Choice Is Pale Ale

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H5N1 avian flu viruses (seen in gold) grow inside canine kidney cells (seen in green). Cynthia Goldsmith/CDC hide caption

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Cynthia Goldsmith/CDC

The most common cause of brain injury in premature infants is a lack of oxygen in the days and weeks after birth, researchers say. Ibrahim Usta/AP hide caption

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Ibrahim Usta/AP

Why Brain Injuries Are More Common In Preemies

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