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- Better chow yields more milk: A more nutritious form of corn for dairy cows boosts farm profits, teen investigator finds
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Lip Service: Smiles in Life, Death, Trust, Lies, Work, Memory, Sex, and Politics
Web edition: August 12, 2011
Print edition: August 27, 2011; Vol.180 #5 (p. 30)
A psychologist examines the science of smiles and their many social uses, from a baby’s enticing grin to a bully’s malicious smirk.
W.W. Norton, 2011, 321 p., $26.95
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