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Genes & Cells

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burning cigarette

SECONDHAND RISK  Children appear more prone to eczema if their mom spent her pregnancy in a smoky home, a new study finds.

a baby breast feeding

GOOD NUTRITION  Breast milk contributes to an intestinal mix of microbes in newborns that might suppress pet allergy risk later, a study finds.

Pseudomonas fluorescens

Two mutations allowed soil bacteria (Pseudomonas fluorescens) to re-evolve flagella: One pumped up levels of a protein than controls nitrogen uptake, and one that switched that protein’s job to flagella production control.

Genes & Cells

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