The Smithsonian is the world's largest research institution, but much of it is out of public sight. And one particular kind of collection is part of a growing debate over where ethical lines and scientific discovery should be drawn.

This week, we present the first part of a special series from our colleagues at Outside/In. You can listen to the rest of the series here, or get Outside/In wherever listen to podcasts. 

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• To see Civics 101 in book form, check out A User's Guide to Democracy: How America Works by Hannah McCarthy and Nick Capodice, featuring illustrations by Tom Toro.
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