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Pregnant smokers have run out of excuses
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Promising pesticides get a taste of real life
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Why we’re all charged up over DNA
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Designer perfumes for fly-ridden cows
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How to handle a herbicide
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Copies of forged signatures don’t fool experts
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Pliable plastic makes like a snake
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A life or death decision
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Subzero tolerance
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They’ve got it licked
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Speedy catalysis
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