Of Blocks And Books: Parents may be more likely to take a young daughter to the library than a son, and to read to the girl for longer periods of time, a new analysis suggests. Hulton Archive/iStockphoto.com hide caption

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Even during sleep, babies' brains continue to take in and process angry voices. iStockphoto.com hide caption

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Joshua Gans and his three children. courtesty Joshua Gans hide caption

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