As It Happens | Mar 14, 2013 | 7:01

Jessica Green, a.k.a. "Thumper Biscuit": Microbiologist and Roller-Derby Athlete

Jessica Green is a microbiologist and the director of the Biology and the Built Environment Lab at the University of Oregon. And in a new study she's co-authored, Ms. Green took advantage of her rare status as possibly the only microbiologist in the world with a background in roller derby.

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