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George McDonald Church (1954- )
By: Risa Aria Schnebly, Christopher Rojas
| Published: Aug 12, 2015
George McDonald Church studied DNA from living and from extinct species in the US during the twentieth and twenty-first centuries. Church helped to…
DNA SequenceNucleotide sequenceGenesGenomesGenetics
Sheldon Clark Reed (1910-2003)
By: Cassidy Possehl
| Published: Jun 10, 2017
Sheldon Clark Reed helped establish the profession of genetic counseling in the US during the twentieth century. In 1947 Reed coined the term genetic…
Genetic CounselingCystic FibrosisDrosophilaGeneticsHmong Americans
Gastrulation in Xenopus
By: Inbar Maayan
| Published: Mar 10, 2011
The process of gastrulation allows for the formation of the germ layers in metazoan embryos, and is generally achieved through a series of complex…
Haeckel, Ernst, 1834-1919GastrulationAmphibiansFrogs
Nicole Marthe Le Douarin (1930- )
By: Brad Jacobson
| Published: Nov 17, 2010
Nicole Marthe Le Douarin was one of the first progressive female pioneers of developmental and embryological research. Some of her most notable and…
PeopleBiographyChicksBirds
Charles Otis Whitman (1842-1910)
By: D. Brian Schuermann
| Published: Jan 21, 2009
Charles Otis Whitman was an extremely curious and driven researcher who was not content to limit himself to one field of expertise. Among the fields…
PeopleBiographyMorphologyLaboratories
Acid Dissolution of Fossil Dinosaur Eggs
By: Madison Paige
| Published: Feb 11, 2017
Acid dissolution is a technique of removing a fossil from the surrounding rock matrix in which it is encased by dissolving that matrix with acid.…
TechnologypaleontologyPaleontological excavationsVertebrates, FossilEggs, Fossil
Barbara McClintock's Transposon Experiments in Maize (1931–1951)
By: Federica Turriziani Colonna
| Published: Feb 09, 2017
Barbara McClintock conducted experiments on corn (Zea mays) in the United States in the mid-twentieth century to study the structure and function of…
TransposonsCornCytogeneticsChromosomesGenetics
"The Potency of the First Two Cleavage Cells in Echinoderm Development. Experimental Production of Partial and Double Formations" (1891-1892), by Hans Driesch
By: Megan Kearl
| Published: Jan 01, 2012
Hans Adolf Eduard Driesch was a late-nineteenth and early-twentieth century philosopher and developmental biologist. In the spring of 1891 Driesch…
ExperimentsPublicationsSea Urchins
The Interpretation of Development and Heredity (1930), by Edward Stuart Russell
By: Mark A. Ulett
| Published: Jan 31, 2011
First published in 1930 and reprinted in 1972, Edward Stuart Russell's The Interpretation of Development and Heredity is a work of philosophical and…
LiteratureHeredityPublications