Steve Fleischli and Rachel Noble discuss how water contaminated with fecal matter and other urban runoff can make swimmers sick.
via LiveScience.com http://www.livescience.com/39327-how-contaminated-beach-water-makes-swimmers-sick-video.html
via LiveScience.com http://www.livescience.com/39327-how-contaminated-beach-water-makes-swimmers-sick-video.html
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