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Gavin Rylands de Beer (1899-1972)
By: Megan Kearl
| Published: Jun 02, 2010
Gavin de Beer was an English zoologist known for his contributions to evolution and embryology, in particular for showing the inadequacy of the germ…
PeopleBiographyEvolutionZoology
John Philip Trinkaus (1918-2003)
By: Ellen M. DuPont
| Published: May 31, 2010
John Philip Trinkaus studied the processes of cell migration and gastrulation, especially in teleost fish, in the US during the twentieth century.…
PeopleGastrulationBiographyMorphogenesis
Ectopic Pregnancy
By: Tian Zhu
| Published: May 06, 2010
Many difficulties can arise with a pregnancy even after the sperm successfully fertilizes the oocyte. A major problem occurs if the fertilized egg…
Ectopic PregnancyPregnancy, EctopicReproductionHuman Developmentmedicine
The Organism as a Whole: From a Physicochemical Viewpoint (1916), by Jacques Loeb
By: Steve Elliott
| Published: May 06, 2010
Jacques Loeb published The Organism as a Whole: From a Physicochemical Viewpoint in 1916. Loeb's goal for the book was to refute the claim that…
LiteraturePublications
Induced Pluripotent Stem Cells
By: Katherine Brind'Amour
| Published: May 06, 2010
Induced Pluripotent Stem Cells (iPSCs) are cells derived from non-pluripotent cells, such as adult somatic cells, that are genetically manipulated so…
LiteratureStem CellsRegeneration
"β-Catenin Defines Head Versus Tail Identity During Planarian Regeneration and Homeostasis" (2007), by Kyle A. Gurley, Jochen C. Rink, and Alejandro Sánchez Alvarado
By: Mary E. Sunderland
| Published: Mar 15, 2010
Alejandro Sánchez Alvarado's laboratory group has employed molecular tools to investigate old questions about regeneration and as a result have…
RegenerationExperiments
The Gradient Theory
By: Mary E. Sunderland
| Published: Aug 01, 2009
The gradient theory is recognized as Charles Manning Child's most significant scientific contribution. Gradients brought together Child's interest…
Regeneration
Clomiphene Citrate
By: Tian Zhu
| Published: Jul 25, 2009
Clomiphene citrate, more commonly known by its brand names Clomid and Serophene, is a medication prescribed to women to stimulate ovulation in order…
TechnologyClomipheneFertility
Intrauterine Insemination
By: Tian Zhu
| Published: Jul 22, 2009
Intrauterine insemination (IUI), also known as artificial insemination, is one of the earliest and simplest assisted reproductive technologies (ART…
TechnologyArtificial InseminationFertilizationReproduction
In Vitro Fertilization
By: Tian Zhu
| Published: Jul 22, 2009
In vitro fertilization (IVF) is an assisted reproductive technology (ART) initially introduced by Patrick Steptoe and Robert Edwards in the 1970s to…
TechnologyFertilization in VitroReproductionFertilityFertilization