Jeremy M. Gernand, PhD, CSP, CRE
 Associate Professor of Environmental Health and Safety Engineering
John and Willie Leone Department of Energy and Mineral Engineering
College of Earth and Mineral Sciences
The Pennsylvania State University, University Park, PA, USA
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Birthday Cakes and Bacteria

Here’s how much bacteria you spew on the cake while blowing out birthday candles. – Seriously, Science? http://bit.ly/2vwGwvl

3 August 2017 by Jeremy Gernand

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