Exploring Terra Incognita: The Extraordinary Diversity of Microbes on Us, in Us, and All Around Us

Lecture by Noah Fierer, Assistant Professor, Department of Ecology and Evolutionary Biology and Fellow at the Cooperative Institute for Research in Environmental Sciences, University of Colorado at Boulder on Monday, March 19, 2012.

Microorganisms are ubiquitous and abundant on Earth. You inhale thousands of microbial cells in every breath and your body is home to 100 trillion of them. Only in the past few years have we been able to describe the enormous diversity of microorganisms that live in familiar environments, including your forehead, your computer keyboard, plant leaves, and the soil in your garden. Noah Fierer will speak about recent work exploring microbial diversity on the human body, the effects these organisms (most of which are not pathogenic) may have on our health, and how we may be able to use bacteria for forensic identification. He will also discuss ongoing work exploring bacterial diversity in the atmosphere through which unexpected sources of airborne bacteria in U.S. cities have been identified. He will finish by highlighting some future research directions in the burgeoning field of microbial ecology and how this research will likely alter how we think about 'germs' and human-microbe interactions.

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