created in 1938 by Albert Hoffmann in the Sandoz chemical-pharmaceutical laboratories in Basle‚ Switzerland. It was synthesized from the twenty-fifth compound of Iysergic acid. When first tested on animals‚ scientists had no idea that the powerful chemical had such psychedelic properties until Albert Hoffmann himself‚ involuntarily tested the new chemical. This "involuntary" testing of the LSD is the first time it was ever tested on a human subject; it was a result of Hoffmann accidentally intoxicating
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Time spent during prenatal development creates a special bond between the mother and child. During this time‚ biological factors such as hormones pass through the placental barrier from the mother and into the fetus’ bloodstream. Additionally‚ umbilical cord transports materials such as nutrients to the fetus. Due to the direct connection‚ mothers are strongly advised not to consume teratogens such as alcohol‚ drugs‚ or other substance that may be detrimental to a fetus during pregnancy. Intangible
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Aster Bunnymund (or the Easter Bunny)‚ Sandman‚ Toothiana (or the Tooth Fairy)‚ and last but not the least‚ Jack Frost. They are called “guardians‚” and their role is to make children -- like this boy named Jamie – happy‚ and to protect them from Pitch Black (or the Bogeyman)‚ who is basically the embodiment of fear. I have this theory that all five guardians from the movie represent a certain part of childhood – of being a child in the figurative sense. Sandman stands for comfort. He’s that pillow
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Payzant. On the Musically Beautiful a Contribution Towards the Revision of the Aesthetics of Music. Indianapolis‚ Ind: Hackett Pub. Co.‚ 1986. Hanslick‚ Eduard. The Beautiful in Music. Trans. Gustav Cohen. 7th ed. London: Novello and Company‚ 1891. Hoffmann‚ E. T. A‚ and David Charlton. E.T.A. Hoffmann’s Musical Writings Kreisleriana‚ the Poet and the Composer‚ Music Criticism. New York: Cambridge UP‚ 1989. Kivy‚ Peter. Introduction to a Philosophy of Music. New York: Clarendon P‚ 2002. Kivy‚ Peter
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Economics A Review of the Literature Sandra Hoffmann DISCUSSION PAPER© 2010 Resources for the Future. All rights reserved. No portion of this paper may be reproduced without permission of the authors. Discussion papers are research materials circulated by their authors for purposes of information and discussion. They have not necessarily undergone formal peer review. Food Safety Policy and Economics: A Review of the Literature Sandra Hoffmann Abstract This paper provides an overview
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Robert Burns Woodward was an American chemist best known for his syntheses of complex organic substances.2 Some of Woodward’s achievements in the field of structure determination organic chemistry include: penicillin (1945)‚ patulin (1948)‚ strychnine (1947)‚ ferrocene (1952)‚ cevine (1954)‚ gliotoxin (1958)‚ ellipticine (1959)‚ calycanthine (1960)‚ oleandomycin (1960)‚ streptonigrin (1963)‚ and tetrodotoxin (1964). He also first proposed the correct biosynthetic pathway to the steroid hormones in
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Freud’s essay‚ “The Uncanny”‚ merges aesthetics and psychoanalysis to determine what the uncanny is. He determines that aesthetics usually refers to positive emotions and things of beauty but the uncanny is the opposite. In Freud’s opinion‚ the uncanny is ‘…that class of the frightening which leads back to what is known of old and long familiar…’ (I‚ 5). This directly contradicts the only other paper that studied the uncanny by Ernst Jentsch which concluded that the uncanny was the fear of the unfamiliar
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Hassibullah Roshan November 2013 In the three following essays: Douglas Hofstadter’s “I Am a Strange Loop”‚ Sigmund Freud’s “The Uncanny”‚ and Allan McCollum’s “Matt Mullican’s World”‚ the conscious and the unconscious have been explicated through the scientific and artistic exploration of concepts‚ such as pattern‚ repression‚ repetition compulsion‚ the double‚ and uncanniness. In “I Am a Strange Loop”‚ Douglas Hofstadter explores the basis for understanding factors that constitute “I”‚ the
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Heterolytic (ii) Homolytic (iii) Pericyclic (b) Pericyclic Reaction Types 2) Electrocyclic Reactions (a) Definition and examples (b) Stereochemical aspects and the Woodward and Hoffmann rules 3) Cycloaddition Reactions (a) Definition and examples (b) Stereochemical aspects and the Woodward and Hoffmann rules (c) The Diels-Alder reaction (i) Stereospecific syn-addition (ii) Diene conformation (iii) Exo/endo stereoselectivity 4) Sigmatropic Rearrangements (a) Definition
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The Flash is a science fiction show with the central theme of never giving up against any obstacles. The Flash‚ Barry‚ overcomes any obstacle with the support of his family and not giving up. Barry Allen‚ protagonist‚ is a loving man with the determination to protect his city‚ Central City‚ and loved ones. He is able to travel faster than the speed of sound. Barry’s family consists of his team members: Cisco Ramon(Long-haired mechanical engineer)‚ Caitlin Snow(Cute‚ loving scientist that cares for
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