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Body & Brain

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progenitor cells

BYE BYE BUDS  Mice that became obese on a high-fat diet (right) lost a quarter of their taste buds (stained red) and also had fewer progenitor cells (stained green) — which give rise to new taste buds — than mice of a healthy weight on a regular diet (left).

brain wave illustration

CATCH A WAVE Created by collections of busy nerve cells, brain waves may help the brain organize information, new studies suggest.


CHANGING MINDS  Many people view the brain as special and separate from the rest of the body. Alan Jasanoff argues that this “cerebral mystique” is the wrong way to think about the brain.

Body & Brain

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