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Wilhelm August Oscar Hertwig (1849-1922)
By: Benjamin Garcia, Katherine Brind'Amour
| Published: Nov 01, 2007
Wilhelm August Oscar Hertwig contributed to embryology through his studies of cells in development and his discovery that only one spermatozoon is…
PeopleFertilizationBiographySpermOva
Pope Pius XII (1876-1958)
By: Katherine Brind'Amour
| Published: Jun 10, 2010
Pope Pius XII was born Eugenio Maria Giuseppi Giovanni Pacelli on 2 March 1876 in Rome, Italy, to Virginia and Filippo Pacelli. Known for his oft-…
PeoplereligionReproductionCatholicismPopes
Evangelium Vitae (1995), by Pope John Paul II
By: Katherine Brind'Amour, Benjamin Garcia
| Published: Nov 11, 2007
The encyclical entitled "Evangelium Vitae," meaning "The Gospel of Life," was promulgated on 25 March 1995 by Pope John Paul II in Rome, Italy. The…
LiteratureJohn Paul II, Pope, 1920-2005religionReproductionCatholicism
Ethics and Induced Pluripotent Stem Cells
By: Katherine Brind'Amour
| Published: Jun 10, 2009
The recent development of induced pluripotent stem cells (iPSCs) and related technologies has caught the attention of scientists, activists,…
ethicsStem Cells
Humanae Vitae (1968), by Pope Paul VI
By: Katherine Brind'Amour, Benjamin Garcia
| Published: Nov 13, 2007
The "Humanae Vitae," meaning "Of Human Life" and subtitled "On the Regulation of Birth," was an encyclical promulgated in Rome, Italy, on 25 July…
LiteratureReproductive RightsreligionReproductionCatholicism
Karl Wilhelm Theodor Richard von Hertwig (1850-1937)
By: Benjamin Garcia, Katherine Brind'Amour
| Published: Nov 01, 2007
Karl Wilhelm Theodor Richard von Hertwig is an important figure in the history of embryology for his contributions of artificial hybridization of sea…
PeopleZoologyBiographyHybridizationSea Urchins
Summa Theologica by St. Thomas Aquinas
By: Katherine Brind'Amour
| Published: Nov 11, 2007
The principal work of St. Thomas Aquinas, the Summa Theologica is divided into three parts and is designed to instruct both beginners and experts in…
LiteratureThomas, Aquinas, Saint, 1225?-1274religionCatholicismHuman Development
St. Thomas Aquinas (c. 1225-1274)
By: Katherine Brind'Amour
| Published: Nov 11, 2007
Widely known as a key contributor to the Roman Catholic Church's body of doctrine, St. Thomas Aquinas also published an opinion on the moral status…
religionCatholicismFetusHuman Development
"Declaration on Procured Abortion" (1974), by the Vatican
By: Katherine Brind'Amour
| Published: Nov 11, 2007
As various societies around the world began legalizing abortive procedures or liberalizing government stances on abortion, the Roman Catholic Church'…
LiteraturereligionReproductionCatholicismAbortion