Digging for Dirt!

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4 segments
On today’s show neuroscientist Douglas Fields discusses the latest breakthroughs in his field. And director Jon Amiel and Randal Keynes, Darwin’s great-great-grandson, discuss their new film "Creation." Then we’ll look at a collection of complaint letters sent to New York City mayors from the late 1750s all the way to the 1960s. Plus, we’ll get our hands dirty for our latest Please Explain--it’s all about soil!