What happens in the mysterious, not-so-dusty behind-the-scenes of natural history museums? Today we're talking about how museum collections extend far beyond what's visible to the public, and how they are a repository of massive amounts of knowledge for amazing (and weird) research. I'm joined today by the assistant director of the Museum of Zoology at Cambridge University and author of the new book Nature's Memory: Behind the scenes of the world's natural history museums, Jack Ashby. 

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