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University of Utah Epigenetics Site
Why does lactic acid build up in muscles? And why does it cause soreness? http://www.scientificamerican.com/article.cfm?id=why-does-lactic-acid-buil
The Trillions of Microbes that Live in the Human Gut that Call Us Home and Help Keep us Healthy
Virtual Heart Dissection http://www.thevirtualheart.org