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The continued fraction is a very old and classical object. Its period is closely related to the solubility of the Pell equations, and also to the class group of quadratic fields. Last year, Koymans an...
Walnut is one the most popular nuts worldwide and contains various mineral nutrients. Little is known, however, about the relationship between toxic heavy metals in walnuts and growth soil. In this st...
March 1, 2007,The Food and Drug Administration (FDA) today told 20 companies to cease marketing unapproved drug products containing ergotamine tartrate. Ergotamine tartrate products are used to treat ...
MIAMI, Florida (September 18, 2006)—The Inter American Press Association (IAPA) today protested attacks on employees at the La Razón newspaper in Bolivia by street newsvendors who are boycotting distr...

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