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Beadle and Ephrussi Show that Something Besides Eye Tissue Determines Eye Color in Fruit Flies
By: Amy Pribadi
| Published: Oct 11, 2016
In the 1930s, George Beadle and Boris Ephrussi discovered factors that affect eye colors in developing fruit flies.
Fruit-fliesImaginal DisksGeneticsdevelopmentMetamorphosis, Biological
Alan Osborne Trounson (1946– )
By: Whitney Alexandra Tuoti
| Published: Aug 01, 2024
Alan Osborne Trounson is a scientist from Australia who studies embryology and stem cells. His research has improved the success rates of in vitro…
Fertilization in VitroFertilizations in VitroIn vitro fertilizationTest-Tube FertilizationIn Vitro Techniques
Paul Kammerer's Experiments on the Midwife Toad (1905-1910)
By: Federica Turriziani Colonna
| Published: Dec 30, 2014
In the first decade of the twentieth century, Paul Kammerer, a zoologist working at the Vivarium in Vienna, Austria, conducted research on…
Kammerer, Paul, 1880-1926Midwife toadsKammerer, Paul, 1880-1926. Streitfrage der Vererbung erworbener Eigenschaften. EnglishInheritance of acquired charactersAdaptation
Kangaroo Mother Care
By: Claire E. Grayson
| Published: Apr 11, 2018
Physician researchers Edgar Rey Sanabria and Héctor Martínez-Gómez developed the Kangaroo Mother Program in Bogotá, Colombia, in 1979, as an…
TechnologyBirth weight, LowInfant CareBreastfeedingMother and infant
“Children’s Attitudes Toward Peers With Unintelligible Speech Associated With Cleft Lip and/or Palate” (2017), by Alice Lee, Fiona E. Gibbon, and Kimberley Spivey
By: Grace Rauch
| Published: Apr 16, 2024
In May 2017, Alice Lee, Fiona E. Gibbon, and Kimberley Spivey published “Children’s Attitudes Toward Peers With Unintelligible Speech Associated With…
Cleft PalateCleft LipCleft palate childrenCleft palate—psychological aspects
David Phillip Vetter (1971–1984)
By: Maggie Zhou
| Published: Aug 01, 2024
David Phillip Vetter was born with X-linked severe combined immunodeficiency disorder, or X-SCID, and spent most of his life in an isolated sterile…
X-Linked Combined Immunodeficiency DiseasesX-Linked SCIDSevere Combined ImmunodeficiencyBone Marrow--TransplantationAutoimmune Diseases
Retinoids As Teratogens
By: Chanapa Tantibanchachai
| Published: Feb 28, 2014
Vitamin A (retinol) is an essential vitamin in the daily functioning of human beings that helps regulate cellular differentiation of epithelial…
RetinoidsVitamin A in the bodyTeratogenicity testingAbnormalities, HumanTeratogenic agents
Somites: Formation and Role in Developing the Body Plan
By: Corinne DeRuiter
| Published: Oct 20, 2010
Somites are blocks of mesoderm that are located on either side of the neural tube in the developing vertebrate embryo. Somites are precursor…
Somatic cellsSomites
"Control of Corneal Differentiation by Extracellular Materials" (1974), by Stephen Meier and Elizabeth D. Hay
By: Kevin Gleason
| Published: Jun 19, 2017
In 1974, Elizabeth Dexter Hay and Stephen Meier in the US conducted an experiment that demonstrated that the extracellular matrix, the mesh-like…
Extracellular matrixCollagenCorneaEpitheliumEmbryos
Embryonic Differentiation in Animals
By: Sarah Ly
| Published: Mar 03, 2011
Embryonic differentiation is the process of development during which embryonic cells specialize and diverse tissue structures arise. Animals are made…
differentiation