вторник, 18 августа 2009 г.

SCIENTIFIC AMERICAN


One more source for developing Listening skills and expanding Vocabulary.

I am following my American instructor Richi Rock on twitter (he is the teacher on Edufire). I read the following article - 'Paper Money Tainted with Cocaine
A study presented at the meeting of the American Chemical Society finds that the vast majority of paper money has trace amounts of cocaine. Cynthia Graber reports'.
You can read the text and listen to the podcast.

Thanks to Richi I have found out that 'Scientific American (SciAm) is a popular science magazine since 1845. It is the oldest continuously published magazine in the United States.It brings articles about new and innovative research to the amateur and lay audience.

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