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Washington University in St. Louis served as the backdrop for many scientific discoveries, including that of nerve growth factor (NGF). Many of the…
OrganizationOrganizationsEducationThe hanging drop tissue culture is a technique utilized in embryology and other fields to allow growth that would otherwise be restricted by the flat…
TechnologyTissue cultureTissue Culture TechniquesAntoni van Leeuwenhoek was born in Delft, the Netherlands, on 24 October 1632 to Margriet Jacobsdochter van den Berch and Philips Thooniszoon, both…
BiographyMicroscopyFrancesco Redi, son of Florentine physician Cecilia de' Ghinci and Gregorio Redi, was born in Arezzo, Italy, on 18 February 1626. He studied…
BiographyFranklin Paine Mall was born into a farming family in Belle Plaine, Iowa, on 28 September 1862. While he attended a local academy, an influential…
BiographyEducationAlthough educated as a scientist who studied with both August Weismann and Ernst Heinrich Haeckel, Hans Adolf Eduard Driesch was first employed as a…
BiographySea UrchinsWilhelm August Oscar Hertwig contributed to embryology through his studies of cells in development and his discovery that only one spermatozoon is…
PeopleFertilizationBiographySpermOvaGeorge Linius Streeter was born on 12 January 1873 in Johnstown, New York, to Hannah Green Anthony and George Austin Streeter. He completed his…
PeopleBiographyHuman DevelopmentLazzaro Spallanzani's imaginative application of experimental methods, mastery of microscopy, and wide interests led him to significant contributions…
PeopleRegenerationBiographyFlorence Rena Sabin had successful careers as both a researcher and public health reformer. When Johns Hopkins University Medical School opened,…
PeopleBiographypublic healthEducation