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"Purification of a Nerve-Growth Promoting Protein from the Mouse Salivary Gland and its Neuro-Cytoxic Antiserum" (1960), by Stanley Cohen
By: Adam R. Navis
| Published: Oct 30, 2007
Stanley Cohen published "Purification of a Nerve-Growth Promoting Protein from the Mouse Salivary Gland and its Neuro-Cytoxic Antiserum" in the…
Cohen, Stanley, 1937-Nerve Growth FactorExperimentsMice
The Ponseti Method to Treat Club Foot
By: Katherine Gandee
| Published: Aug 11, 2017
Ignacio Vives Ponseti developed a noninvasive method for treating congenital club foot in the US during the late 1940s. Congenital club foot is a…
ClubfootFoot--AbnormalitiesOrthopedicsCongenital Talipes EquinovarusClubfoot, Congenital
The Effects of Gene Regulation on Aging in Caenorhabditis elegans (2003)
By: Dasia Garcia
| Published: Feb 16, 2017
In 2003, molecular biology and genetics researchers Coleen T. Murphy, Steven A. McCarroll, Cornelia I. Bargmann, Andrew Fraser, Ravi S. Kamath, Julie…
Caenorhabditis elegansCaenorhabditisInsulin-like growth factor-binding proteinsIGF-Binding ProteinsGenetic regulation
The Infant Incubator in Europe (1860-1890)
By: Kelsey Locey
| Published: Feb 11, 2017
In the nineteenth century, obstetricians in Europe began to construct devices to incubate infants in increasingly controlled environments. The infant…
TechnologyPremature InfantsObstetricsMaternal and infant welfareIncubators (Pediatrics)
Ethics and Induced Pluripotent Stem Cells
By: Katherine Brind'Amour
| Published: Jun 10, 2009
The recent development of induced pluripotent stem cells (iPSCs) and related technologies has caught the attention of scientists, activists,…
ethicsStem Cells
Mary Frances Lyon (1925–2014)
By: Devangana Shah
| Published: Jul 04, 2025
Mary Frances Lyon studied gene expression and developed the theory of X-chromosome inactivation, also called Lyonization, during the twentieth…
Gene ExpressionX Chromosome InactivationLyon HypothesisLyonizationMutation
“Mortality and Morbidity in Transsexual Patients with Cross-Gender Hormone Treatment” (1989), by Henk Asscheman, Louis J. G. Gooren, and P. L. E. Eklund
By: Lauren Hilton
| Published: Jan 14, 2026
In 1989, physicians Henk Asscheman, Louis J. G. Gooren, and P.L.E. Eklund published the article “Mortality and Morbidity in Transsexual Patients with…
Transgender PersonsHormonesEstrogensAndrogensTranssexual Person
George Otto Gey (1899-1970)
By: Madeleine Zheng
| Published: Mar 21, 2022
George Otto Gey was a scientist in the US who studied cells and cultivated the first continuous human cell line in 1951. Gey derived the cells for…
HeLa CellsCell MovementKB CellsCell CommunicationCulture Media, Conditioned
The Guthrie Test for Early Diagnosis of Phenylketonuria
By: Meilin Zhu
| Published: Mar 30, 2017
The Guthrie test, also called the PKU test, is a diagnostic tool to test infants for phenylketonuria a few days after birth. To administer the…
TechnologyGuthrie, Robert, 1916-1995PhenylketonuriaMental RetardationAmino acids--Metabolism--Disorders
Keith Henry Stockman Campbell (1954-2012)
By: Zane Bartlett
| Published: Jun 27, 2014
Keith Henry Stockman Campbell studied embryo growth and cell differentiation during the twentieth and twenty-first centuries in the UK. In 1995,…
Campbell, Keith, 1954-2012Wilmut, IanCloningStem CellsFibroblasts