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Nettie Maria Stevens (1861-1912)
By: Kaitlin Smith
| Published: Jun 20, 2010
Multiple theories about what determines sex were tested at the turn of the twentieth century. By experimenting on germ cells, cytologist Nettie Maria…
PeopleHeredityReproductionBiography
Form and Function (1916), by Edward Stuart Russell
By: Mark A. Ulett
| Published: Jun 20, 2010
In 1916, at the age of twenty-nine, Edward Stuart Russell published his first major work, Form and Function: a Contribution to the History of Animal…
LiteratureRussell, E. S. (Edward Stuart), 1887-1954PublicationsMorphology
Endoscopy
By: Olivia Conley
| Published: Jun 19, 2010
Endoscopy is a medical procedure that enables the viewing and biopsy of, and surgery on, internal tissues and organs. Endoscopic examinations are…
TechnologyEndoscopyReproductionmedicine
Laparoscopy
By: Olivia Conley
| Published: Jun 19, 2010
Laparoscopy, a subfield of endoscopy, is a minimally invasive surgical procedure used to examine and operate on the internal organs of the abdomen…
TechnologyLaparoscopyReproduction
Alexis Carrel's Tissue Culture Techniques
By: Lijing Jiang
| Published: Jun 18, 2010
Alexis Carrel, the prominent French surgeon, biologist, and 1912 Nobel Prize laureate for Physiology or Medicine, was one of the pioneers in…
TechnologyCarrel, Alexis, 1873-1944Tissue Culture TechniquesTissue culture
William Harvey (1578-1657)
By: Angel Lopez
| Published: Jun 18, 2010
Renowned physician and scientist William Harvey is best known for his accurate description of how blood circulates through the body. While his…
PeopleBlood CirculationBiographycirculation
Jeffrey Keenan (1961- )
By: Nicole Lopez
| Published: Jun 17, 2010
Jeffrey Keenan is the Director of the Southeastern Center for Fertility and Reproductive Medicine and the main developer behind the National Embryo…
PeopleReproductive Techniques, AssistedReproductionBiographyFertility
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