Thanks to the USA Science and Engineering Festival, enjoy these facts!
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Many of you have wondered what the UV index is... Well, please click on the link, and then learn about the different levels of these rays an...
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See what you can make of this... COMPULSORY COMMENT FOR NOVEMBER 8th!!!!
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Enjoy this video! Brime: it´s the mixture of water and a great quantity of salt. COMPULSORY COMMENT for November 8th!!!
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