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Hans Spemann (1869-1941)
By: Karen Wellner
| Published: Jun 15, 2010
Hans Spemann was an experimental embryologist best known for his transplantation studies and as the originator of the "organizer" concept. One of his…
PeopleSpemann, Hans, 1869-1941TransplantationBiography
Artificial Parthenogenesis and Fertilization (1913), by Jacques Loeb
By: Karen Wellner
| Published: Jun 15, 2010
Jacques Loeb is best known for his embryological work investigating parthenogenesis in invertebrates. Artificial Parthenogenesis and Fertilization is…
LiteratureParthenogenesisPublicationsFertilization
Stem Cell Tourism
By: Christina Raup
| Published: Jun 14, 2010
When James Thomson of the University of Wisconsin announced in 1998 that he had derived and cultured human embryonic stem cells(hESCs), Americans…
Stem Cellsethics
John von Neumann's Cellular Automata
By:
| Published: Jun 14, 2010
Cellular automata (CA) are mathematical models used to simulate complex systems or processes. In several fields, including biology, physics, and…
Von Neumann, John, 1903-1957ModelsEvolution
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
Abortion
By: Christina Raup
| Published: Jun 10, 2010
Abortion is the removal of the embryo or fetus from the womb, before birth can occur-either naturally or by induced labor. Prenatal development…
AbortionethicsReproductionReproductive RightsFetus
The Time Has Come: A Catholic Doctor's Proposals to End the Battle over Birth Control (1963), by John Rock
By: Christina Raup
| Published: Jun 10, 2010
In 1963, Roman Catholic fertility doctor John Rock published The Time Has Come: A Catholic Doctor's Proposals to End the Battle over Birth Control, a…
LiteratureContraceptionPublicationsreligionReproduction
Alejandro Sánchez Alvarado (1964- )
By: Mary E. Sunderland
| Published: Jun 10, 2010
Alejandro Sánchez Alvarado is a Professor of Neurobiology and Anatomy at the University of Utah School of Medicine and is also a Howard Hughes…
PeopleSánchez Alvarado, AlejandroRegenerationBiography
"Genetic Programming: Artificial Nervous Systems, Artificial Embryos and Embryological Electronics" (1991), by Hugo de Garis
By: Julia Damerow
| Published: Jun 10, 2010
In 1991, Hugo de Garis' article "Genetic Programming: Artificial Nervous Systems, Artificial Embryos and Embryological Electronics" was published in…
LiteraturePublications
"On the Nature of the Process of Fertilization and the Artificial Production of Normal Larvae (Plutei) From the Unfertilized Eggs of the Sea Urchin" (1899), by Jacques Loeb
By: Steve Elliott
| Published: Jun 10, 2010
Jacques Loeb developed procedures to make embryos from unfertilized sea urchin eggs in 1899. Loeb called the procedures "artificial parthenogenesis…
ParthenogenesisExperimentsSea Urchins