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Beadle and Ephrussi’s Technique to Transplant Optic Discs between Fruit Fly Larvae
By: Amy Pribadi
| Published: Oct 11, 2016
In 1935, George Beadle and Boris Ephrussi developed a technique to transplant optic discs between fruit fly larvae.
Fruit-fliesImaginal DisksGeneticsdevelopmentMetamorphosis, Biological
Thomas Joseph King Jr. (1921-2000)
By: Sean Cohmer
| Published: Jan 01, 2012
Thomas Joseph King Jr. was a developmental biologist who, with fellow scientist Robert Briggs, pioneered a method of transplanting nuclei from…
PeopleNuclear Transfer TechniquesBiographyNuclear TransplantationCancer
Fetal Programming
By: Carrie Keller
| Published: Nov 03, 2020
Fetal programming, or prenatal programming, is a concept that suggests certain events occurring during critical points of pregnancy may cause…
Diabetes in pregnancyMaternal-Fetal ExchangeMetabolism in pregnancyMaternal-Fetal MedicineMothers--Nutrition
Facial Abnormalities of Fetal Alcohol Syndrome (FAS)
By: Erica O'Neil
| Published: Sep 28, 2010
Prenatal exposure to alcohol (ethanol) results in a continuum of physical, neurological, behavioral, and learning defects collectively grouped under…
fetal alcohol syndromeReproductionHuman Development
Johannes Holtfreter (1901-1992)
By: Adam R. Navis
| Published: Feb 29, 2008
Johannes Holtfreter made important discoveries about the properties of the organizer discovered by Hans Spemann. Although he spent much time away…
Organizers, EmbryonicBiographyFrogs
Impact of Air Pollution on Reproductive Health” (1999), by Radim Srám
By: Ajeet Bains
| Published: Jun 30, 2020
In 1999, researcher Radim Srám, sometimes spelled Radim Šrám, published his article “Impact of Air Pollution on Reproductive Health” in the journal…
LiteratureEffect of air pollution onPollutantsPollutionAir--Pollution
Neonatal Respiratory Distress Syndrome and Its Treatment with Artificial Surfactant
By: Olivia Mandile
| Published: Aug 30, 2017
Neonatal respiratory distress syndrome, previously called hyaline membrane disease, is a respiratory disease affecting premature newborns. Neonatal…
Surface active agentsLungs--Blood-vessels--DiseasesRespiratory Distress Syndrome, AdultNeonatal emergenciesRespiratory therapy for newborn infants
Eric Wieschaus (1947- )
By: May Catherine, Justin M. Wolter
| Published: Apr 29, 2014
Eric Wieschaus studied how genes cause fruit fly larvae to develop in the US and Europe during the twentieth and twenty-first centuries. Using the…
Drosophila melanogasterGeneticsGenetic Screening
Hans Spemann (1869-1941)
By: Karen Wellner
| Published: Jun 15, 2010
Hans Spemann was an experimental embryologist best known for his transplantation studies and as the originator of the "organizer" concept. One of his…
PeopleSpemann, Hans, 1869-1941TransplantationBiography
"The Spandrels of San Marco and the Panglossian Paradigm: A Critique of the Adaptationist Programme" (1979), by Stephen J. Gould and Richard C. Lewontin
By: M. Elizabeth Barnes
| Published: Nov 14, 2014
The Spandrels of San Marco and the Panglossian Paradigm: A Critique of the Adaptationist Programme, hereafter called The Spandrels, is an article…
LiteratureGould, Stephen JayEvolutionAdaptationBaer, Karl Ernst von, 1792-1876