A new kind of test strip has been developed, so you can find out right away. It also works in the ocean, so take it to the beach.

Researchers have developed a rapid testing method using a simple paper strip that can detect E. coli in recreational water within minutes. Bioactive paper is both old and new–since the late1950s, physicians have been using bioactive paper to test for glucose in urine. In the last several years, the area has expanded quickly as scientists work on new applications.
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It doesn’t just bring us Vitamin D, it can affect all brain activity–including the central nervous system–leading to changes in human behavior. And the recent solar flares coming from the sun may lead to an even GREATER response than usual.
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