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The human brain has more than 170 billion cells. A newly published atlas offers the most detailed maps yet of the location, structure and, in some cases, function of more than 3,000 types of brain cells. The atlas could help scientists understand what makes humans unique in the animal kingdom and the roles different brain cells play in disease. Science correspondent Jon Hamilton talks to host Regina G. Barber about the findings from this new map, a product of the NIH's BRAIN initiative. Plus, what the heck splatter neurons have to do with all of this!

Read Jon's full story here.

Science question on your brain? Email us at shortwave@npr.org.

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