University Place

The Origin of Life

Special | 56m 46s

Paul Davies, Professor, Department of Physics, Arizona State University, looks at the causes of epidemics through the lens of mayflies and parasitic worms. In this ecological drama that takes place beneath in bubbling mountain streams, does the parasitic worm affect the relationship between mayflies and trout?

Aired: 03/19/13

Rating: TV-G

Video has closed captioning.

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