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  2. A 41-year-old fixed his back pain to tackle the world's ...

    www.aol.com/43-old-fixed-back-pain-131027572.html

    A 41-year-old triathlete was sidelined by a hip injury from sitting too much and could barely walk. He said working with a physical therapist on hip stretching and strengthening got him back to ...

  3. 1-Fluoro-2,4-dinitrobenzene - Wikipedia

    en.wikipedia.org/wiki/1-Fluoro-2,4-dinitrobenzene

    Frederick Sanger. In 1945, Frederick Sanger described its use for determining the N-terminal amino acid in polypeptide chains, in particular insulin. [4] Sanger's initial results suggested that insulin was a smaller molecule than previously estimated (molecular weight 12,000), and that it consisted of four chains (two ending in glycine and two ending in phenylalanine), with the chains cross ...

  4. List of European countries by area - Wikipedia

    en.wikipedia.org/wiki/List_of_European_countries...

    Below is a list of European countries and dependencies by area in Europe. [1] As a continent , Europe's total geographical area is about 10 million square kilometres. [ 2 ] Transcontinental countries are ranked according to the size of their European part only, excluding Greece due to the not clearly defined boundaries of its islands between ...