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— Justus von Liebig"A time will come, when fields will be manured with a solution of glass (silicate of potash), with the ashes of burnt straw, and with the salts of phosphoric acid, prepared in chemical manufactories, exactly as at present medicines are given for fever and goitre."
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Are the atoms of the dextroacid (tartaric) grouped in the spirals of a right-hand helix or situated at the angles of an irregular tetrahedron, or arranged in such or such particular unsymmetrical fashion? We are unable to reply to these questions. But there can be no reason for doubting that the grouping of the atoms has an unsymmetrical arrangement with a non-superimposable image. It is not less certain that the atoms of the laevo-acid realize precisely an unsymmetrical arrangement of the inverse of the above.
— Louis Pasteur
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The window of X Factor opportunity opens up in the closing seconds of a race-you might be sprinting at the time or just hanging one, trying to get across the finish line. With a supreme act of will, you can prolong your effort, essentially fighting off the inevitable lactic acid shutdown. You'll have little time for contemplating the options: either wholeheartedly go for it, or back off. You must train your X Factor to unequivocally respond the way you want-go for it. Once the window is closed, it's closed forever.
— Brad Alan Lewis
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