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Author: Maureen L. Condic Publisher: University of Notre Dame Pess ISBN: 0268107076 Category : Medical Languages : en Pages : 212
Book Description
Scientists and philosophers have long struggled to answer the questions of when human life begins and when human life has inherent value. The phenomenon of identical (monozygotic) twinning presents a significant challenge to the view that human life and human personhood begin at conception. The fact that a single embryo can split to generate two (or more) genetically identical embryos seems to defy the notion that prior to splitting an embryo can be a single human individual. In Untangling Twinning, Maureen Condic looks at the questions raised by human twinning based on a unique synthesis of molecular developmental biology and Aristotelian philosophy. She begins with a brief historical analysis of the current scientific perspective on the embryo and proceeds to address the major philosophic and scientific concerns regarding human twinning and embryo fusion: Is the embryo one human or two (or even more)? Does the original embryo die, and if not, which of the twins is the original? Who are the parents of the twins? What do twins, chimeras, cloning, and asexual reproduction in humans mean? And what does the science of human embryology say about human ensoulment, human individuality, and human value? Condic's original approach makes a unique contribution to the discussion of human value and human individuality, and offers a clear, evidence-based resolution to questions raised by human twinning. The book is written for students and scholars of bioethics, scientists, theologians, and attorneys who are involved in questions surrounding the human embryo.
Author: Maureen L. Condic Publisher: University of Notre Dame Pess ISBN: 0268107076 Category : Medical Languages : en Pages : 212
Book Description
Scientists and philosophers have long struggled to answer the questions of when human life begins and when human life has inherent value. The phenomenon of identical (monozygotic) twinning presents a significant challenge to the view that human life and human personhood begin at conception. The fact that a single embryo can split to generate two (or more) genetically identical embryos seems to defy the notion that prior to splitting an embryo can be a single human individual. In Untangling Twinning, Maureen Condic looks at the questions raised by human twinning based on a unique synthesis of molecular developmental biology and Aristotelian philosophy. She begins with a brief historical analysis of the current scientific perspective on the embryo and proceeds to address the major philosophic and scientific concerns regarding human twinning and embryo fusion: Is the embryo one human or two (or even more)? Does the original embryo die, and if not, which of the twins is the original? Who are the parents of the twins? What do twins, chimeras, cloning, and asexual reproduction in humans mean? And what does the science of human embryology say about human ensoulment, human individuality, and human value? Condic's original approach makes a unique contribution to the discussion of human value and human individuality, and offers a clear, evidence-based resolution to questions raised by human twinning. The book is written for students and scholars of bioethics, scientists, theologians, and attorneys who are involved in questions surrounding the human embryo.
Author: Robert Lipsyte Publisher: HarperCollins ISBN: 0547867573 Category : Juvenile Fiction Languages : en Pages : 277
Book Description
Tom is a smart, talented loner with a chip on his shoulder and a big secret: an imaginary twin on another planet. Eddie is Tom's opposite, a friendly, athletic kid who always looks on the good side. Tom worries sometimes: does confiding in Eddie mean he's nuts? The truth is even crazier than that. Eddie and his planet are just as real as Tom and his Earth, but fifty-some years in the past. And the twins are caught up in an alien master plan that might just mean Earth—both Earths—will be destroyed. Switching places and identities, "slipping" between planets and across decades, a desperate escape, and the unraveling of deeper secrets leave Tom and Eddie aware of the danger they're facing and the tools they can use to overcome it.
Author: Sam Rybka Publisher: Allen & Unwin ISBN: 1760872830 Category : Biography & Autobiography Languages : en Pages : 249
Book Description
Youtube acro sensations, Sam & Teagan Rybka (aka The Rybka Twins) share their story so far, along with their best tips for balancing friendship, success, fitness and family. Follow your dreams, work hard and stay positive to make the impossible possible! In Twinning It!, globally popular acrobatic duo and Youtube sensations Sam and Teagan Rybka share their life story to date, as well as lots of tips and advice for balancing family and friends with fitness goals, fashion, beauty and fun. Learn to navigate social media, feel confident in the skin you're in and realise that the highs and lows are all just part of growing up. Teaching dance by day and making Youtube videos by night for their 5 million-plus followers, the Rybka twins share their formula for success in dance, acro and life, as well as a behind-the-scenes look at their appearances on Australia's Got Talent and Dance Moms, and never-before-seen photos of acrobatic poses taken on stunning beaches, bringing their Aussie way of life and sunny attitude to the world.
Author: D. W. Cummings Publisher: JHU Press ISBN: 9780801834431 Category : Business & Economics Languages : en Pages : 606
Book Description
In this study of the English language as it is spelled in America, D. W. Cummings demonstrates that behind the apparent disorder of spelling in American English lies a self-regulating and self-reorganizing system that is responsive to four kinds of imperative: phonetic, semantic, etymological, and systemic. Cummings offers a systematic theory of orthography and applies this theory to the American English vocabulary with numerous examples. Cummings also describes the explication of written words into their elements, particles, and processes, and he sets out the tactical and procedural rules that control the distribution and sequencing of vowels and consonants. In the largest section of the book, he provides an exhaustive description of the major and minor correspondences between the sounds of American English words and their spellings. An essential reference work, American English Spelling moves beyond questions of how words are spelled to an understanding of why they are spelled as they are.
Author: R. E. Smallman Publisher: Butterworth-Heinemann ISBN: 9780750645645 Category : Technology & Engineering Languages : en Pages : 456
Book Description
The sixth edition of Modern Physical Metallurgy provides a comprehensive overview of the structure of matter, the physical properties of materials and their mechanical behaviour and some of the most recent advances in physical metallurgy.
Author: J.V. Smith Publisher: Springer Science & Business Media ISBN: 3642657435 Category : Science Languages : en Pages : 700
Book Description
33 14. 3. 5 REE between Plagioclase and Aqueous Fluid 0 Cullers et al. (1973) measured the distribution of REE at 850 C and 750 bars pressure between a natural plagioclase, An , and gaseous water. The rare earths 65 favored the plagioclase by a factor which varies from about 25 for Ce to 10 for Lu. Data were also obtained for forsterite, diopside, enstatite and two rhyolite glasses, on the one hand, and water on the other hand, thereby permitting estimation of the partition coefficients between all pairs of phases. 14. 4 Chemical Substitution in Natural Feldspars 14. 4. 1 Introduction It is quite impracticable to give all the data on chemical substitution in natural feldspars: indeed many of the details are significant only to some particular pegmatite or rock body. As far as possible, emphasis is placed on features of general interest to crystal chemists and to petrologists. Ironically the well established features can be described more easily than the uncertain ones, and unfortunately it is necessary to use valuable space on data of dubious value. The bibliography is fairly complete, but it was impracticable to locate all data, especially those in obscure journals. Each reference is followed by a list of the elements referred to in the paper, thereby permitting a reader to compile a fairly compre hensive set of references on any chosen element. Not all papers are mentioned in the text. The book on Geochemistry and Mineralogy of Rare Elements, etc.
Author: Aaron P. Stebner Publisher: Springer ISBN: 3319769685 Category : Technology & Engineering Languages : en Pages : 277
Book Description
This collection is organized around the central theme of “Martensite by Design.” Contributions include design, microstructure, properties, advanced processing and manufacturing, performance, phase transformations, and characterization.
Author: Publisher: Elsevier ISBN: 0080524680 Category : Science Languages : en Pages : 681
Book Description
Dislocations are lines of irregularity in the structure of a solid analogous to the bumps in a badly laid carpet. Like these bumps they can be easily moved, and they provide the most important mechanism by which the solid can be deformed. They also have a strong influence on crystal growth and on the electronic properties of semiconductors.·Influence of dislocations on piezoelectric behavior·New mechanisms for hardening in twinned crystals·Bringing theories of martensite transformation into agreement·Atomic scale motion of dislocations in electron microscopy·Dislocation patterns deduced from X-ray diffraction·Role of dislocations in friction·Dislocation motion in quasicrystals
Author: Maureen L. Condic
Author: Maureen L. Condic
Author: Amandeep Singh Wadhwa
Author: Robert Lipsyte
Author: William F. Hosford
Author: Sam Rybka
Author: D. W. Cummings
Author: R. E. Smallman
Author: J.V. Smith
Author: Aaron P. Stebner
Author: