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45 CFR 46: Protection of Human Subjects under United States Law (1974)
By: Megan Kearl
| Published: Jun 17, 2010
In the United States, the Code of Federal Regulations Title 45: Public Welfare, part 46 (45 CFR 46) provides protection for human subjects in…
LawGovernmentFetus
Barack Obama Executive Order 13505, November 2008
By: Aroob Khokhar
| Published: Jun 17, 2010
On 20 November 2009 Democrat Barack Obama replaced Republican George W. Bush as president of the United States. Obama soon initiated changes to Bush'…
LawStem Cells
Ernst Heinrich Philipp August Haeckel (1834-1919)
By: Karen Wellner
| Published: Jun 16, 2010
Ernst Heinrich Philipp August Haeckel was a prominent comparative anatomist and active lecturer in the late nineteenth and early twentieth centuries…
PeopleHaeckel, Ernst, 1834-1919Biological EvolutionBiographyEvolution
Ernest Everett Just (1883-1941)
By: Karen Wellner
| Published: Jun 16, 2010
Ernest Everett Just was an early twentieth century American experimental embryologist involved in research at the Marine Biological Laboratory (MBL)…
FertilizationBiographyInvertebrates
Ziegler Wax Embryo Models
By: Karen Wellner
| Published: Jun 15, 2010
Three-dimensional anatomical models have long been essential to the learning of science and lend a sense of "control" to those practicing in the…
TechnologyReproductionModelsAnatomy
José Pedro Balmaceda (1948- )
By: Hilary Gilson
| Published: Jun 15, 2010
José Pedro Balmaceda was born 22 August 1948 in Santiago, Chile. His mother Juanita owned a women's boutique in the city and his father José was a…
PeopleFertilityReproductionBiography
The Mechanistic Conception of Life (1912), by Jacques Loeb
By: Steve Elliott
| Published: Jun 15, 2010
Jacques Loeb published The Mechanistic Conception of Life in 1912. Loeb's goal for the book was to further disseminate his explanations of organic…
LiteraturePublications
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