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Dictyostelium discoideum
By: Mary E. Sunderland
| Published: Jun 10, 2009
Dictyostelium discoideum is a cellular slime mold that serves as an important model organism in a variety of fields. Cellular slime molds have an…
DictyosteliidaOrganisms
Rita Levi-Montalcini (1909-2012)
By: Adam R. Navis
| Published: Nov 08, 2007
Rita Levi-Montalcini is a Nobel Laureate recognized for her work in the discovery and characterization of nerve growth factor. Nerve growth factor (…
PeopleNerve Growth FactorBiography
George Wells Beadle (1903-1989)
By: Divyash Chhetri
| Published: Mar 14, 2014
George Wells Beadle studied corn, fruit flies, and funguses in the US during the twentieth century. These studies helped Beadle earn the 1958 Nobel…
Beadle, George Wells, 1903-1989Genetics
James Marion Sims's Treatment of Vesico-Vaginal Fistula
By: Amanda Andrei
| Published: Apr 12, 2013
James Marion Sims developed a treatment for vesico-vaginal fistulas in Montgomery, Alabama in the 1840s. Vesico-vaginal fistulas were a relatively…
TechnologySpeculum (Medicine)Fistula, Vesico-vaginalSurgeryGynecology
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
Susceptibility Assay
By: Mary E. Sunderland
| Published: Jun 10, 2009
Charles Manning Child designed an experimental test, the susceptibility assay, to measure the effects of different toxins on developmental processes…
TechnologyChild, Charles Manning, 1869-1954Ovadifferentiation
Golgi Staining Technique
By: Sarah Taddeo, Erica O'Neil
| Published: Mar 06, 2017
The Golgi staining technique, also called the black reaction after the stain's color, was developed in the 1870s and 1880s in Italy to make brain…
TechnologyGolgi, Camillo, 1843-1926Stains and staining (Microscopy)NeuronsMicroscope slides
Felix Anton Dohrn
By: Karen Wellner, Kal Clark, Brian Schuermann
| Published: Feb 22, 2011
Felix Anton Dohrn is best remembered as the founder of the Stazione Zoologica di Napoli, the world' s first permanent laboratory devoted to the study…
VertebratesBiographyLaboratories
James Alexander Thomson (1958- )
By: Ke Wu
| Published: Feb 01, 2011
James Alexander Thomson, affectionately known as Jamie Thomson, is an American developmental biologist whose pioneering work in isolating and…
PeopleThomson, James A., Dr.Stem CellsBiography
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