Quirks & Quarks for October 1, 2016

Looking for life inside Mars, the hidden kingdom of microbes and more...

Looking for life inside Mars, the hidden kingdom of microbes and more...

Visitors reach for the one of the first mugs of beer during the opening day of the 183rd Oktoberfest in Munich, Germany, September 17, 2016. (Michaela Rehle/Reuters)
Listen to the full episode53:22

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Theme music bed copyright Raphaël Gluckstein, Creative Commons License by-nc-nd-2.0