Steve Fleischli and Rachel Noble discuss how you can find out if a particular beach is safe to swim in and keep yourself safe from contaminated waters.
via LiveScience.com http://www.livescience.com/39326-how-to-know-if-a-beach-is-safe-for-swimming-video.html
via LiveScience.com http://www.livescience.com/39326-how-to-know-if-a-beach-is-safe-for-swimming-video.html
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