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Body & Brain

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family visiting newborn baby

THE HERD The cocooning strategy, in which people who will be in contact with a newborn all receive vaccinations to protect the vulnerable baby, may not be that protective after all. Better protection against whooping cough comes from vaccinating a mother during pregnancy, scientists say.

mouse hippocampus

YOUTHFUL GLOW  In the hippocampus of a 1-month-old mouse, some nerve cells (red) produce the protein TIMP2 (green), which declines with age and may help keep the brain young. Blue indicates microglial cells.  

Hydrophylax bahuvistara

Slime produced by Hydrophylax bahuvistara contains a newly identified flu-fighting protein called urumin, named for a type of sword used in the region of India where the frog resides. 

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