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Induced Pluripotent Stem Cell Experiments by Kazutoshi Takahashi and Shinya Yamanaka in 2006 and 2007
By: Zane Bartlett
| Published: Jun 01, 2015
In 2006, Kazutoshi Takahashi and Shinya Yamanaka reprogrammed mice fibroblast cells, which can produce only other fibroblast cells, to become…
Stem cells--ResearchStem CellsNobel PrizesEmbryologyDevelopmental Biology
Petr Alekseevich Kropotkin (1842-1921)
By: Jonathan LaTourelle
| Published: Jun 01, 2015
Petr Kropotkin proposed the theory of Pleistocene ice age, alternative theories of evolution based on embryology, and he advocated anarchist and…
EvolutionHeredityInheritance of acquired charactersPaleogeography--PleistoceneAnarchism
The Y-Chromosome in Animals
By: Dorothy R. Haskett
| Published: May 28, 2015
The Y-chromosome is one of a pair of chromosomes that determine the genetic sex of individuals in mammals, some insects, and some plants. In the…
Y ChromosomeSex ChromosomesEmbryosDNAChromosomes
Paul Kammerer's Experiments on Sea-squirts in the Early Twentieth Century
By: Federica Turriziani Colonna
| Published: Apr 13, 2015
In the early twentieth century, Paul Kammerer, a zoologist working at the Vivarium in Vienna, Austria, experimented on sea-squirts (Ciona…
Sea SquirtsCiona intestinalisKammerer, Paul, 1880-1926Laboratory animals--Breeding--ExperimentsAdaptation
Digit Regeneration Is Regulated by Msx1 and BMP4 in Fetal Mice (2003), by Manjong Han et al.
By: Joe Brinkman
| Published: Apr 13, 2015
In the early 2000s, Manjong Han, Xiaodang Yang, Jennifer Farrington, and Ken Muneoka investigated how genes and proteins in fetal mice (Mus musculus…
Regeneration (Biology)MiceRegenerationHomeobox genesBone Morphogenetic Proteins
Hamlin Fistula Ethiopia (1974- )
By: Patsy Ciardullo
| Published: Apr 13, 2015
Hamlin Fistula Ethiopia is a nonprofit organization that began in 1974 as a joint endeavor by Reginald and Catherine Hamlin and the Addis Ababa…
OrganizationHamlin, CatherineAddis Ababa Fistula HospitalVesicovaginal FistulaFistula
The Inheritance of Acquired Characteristics (1924), by Paul Kammerer
By: Federica Turriziani Colonna
| Published: Mar 31, 2015
The Inheritance of Acquired Characteristics is a book published in 1924, written by Paul Kammerer, who studied developmental biology in Vienna,…
LiteratureInheritance of acquired charactersEvolution (Biology)adaptationsLaboratory animals--Breeding--Experiments
Study of Fossilized Massospondylus Dinosaur Embryos from South Africa (1978-2012)
By: Madison Paige
| Published: Mar 31, 2015
In 1978, James Kitching discovered two dinosaur embryos in a road-cut talus at Roodraai (Red Bend) in Golden Gate Highlands National Park, South…
ContextDinosaursDinosaurs--EggsMassospondylus carinatusMassospondylus
James William Kitching (1922-2003)
By: Madison Paige
| Published: Mar 31, 2015
James William Kitching collected and studied fossils of dinosaurs and early humans in the twentieth century. He worked at the Bernard Price Institute…
Kitching, James W. (James William), 1922-2003Dinosaurs--EggsAnimals, FossilMassospondyluspaleontology
Amphioxus, and the Mosaic Theory of Development (1893), by Edmund Beecher Wilson
By: James Lowe
| Published: Mar 31, 2015
Edmund Beecher Wilson experimented with Amphioxus (Branchiostoma) embryos in 1892 to identify what caused their cells to differentiate into new types…
Wilson, Edmund B. (Edmund Beecher), 1856-1939AmphioxusEmbryosEmbryologyDevelopmental Biology