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Body & Brain

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BABY FACE TIME  Lots of families use video calling to connect with long-distance relatives, but scientists don’t know how babies handle the technology.

ANTIBACTERIAL BACKFIRE  Soaps that contain triclosan, a commonly used antimicrobial compound, could actually help disease-causing bacteria colonize the human nose. 

SORTING SMELLS  Odor-detecting neurons in the mouse nose (green and magenta) latch onto certain scents and send signals to precise locations. The neurons each have a diameter of approximately 10 micrometers.

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