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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
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
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