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Leonard Hayflick (1928- )
By: Zane Bartlett
| Published: Jul 20, 2014
Leonard Hayflick studied the processes by which cells age during the twentieth and twenty-first centuries in the United States. In 1961 at the Wistar…
PeopleCellsCell populationsCell DeathApoptosis
Environment and Birth Defects (1973), by James G. Wilson
By: S. Alexandra Aston
| Published: Jun 21, 2014
Environment and Birth Defects by James Graves Wilson in the US was published in 1973. The book summarized information on the causes of malformations…
LiteratureBirth DefectsAbnormalities, HumanTeratogensTeratology
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
Peter Mazur (1928–2015)
By: Risa Aria Schnebly
| Published: Oct 13, 2020
Peter Mazur was a researcher in the US who developed new ways of preserving biological material by freezing it, a process called cryopreservation. If…
Religion and science--HistoryMolecular weightsCryobiologyFreezingFrozen liquids
Ericsson Method of Sperm Separation
By: Alysse Blight
| Published: Sep 20, 2019
In 1973, Ronald Ericsson developed the Ericsson method, which is a technique used to separate human male sperm cells by their genetic material.…
TechnologySex ChromosomesGonosomesSpermSpermatozoa
Ernest John Christopher Polge (1926-2006)
By: Bailey Renee
| Published: Jan 30, 2018
Twentieth-century researcher Ernest John Christopher Polge studied the reproductive processes of livestock and determined a method to successfully…
Smith, Audrey U.Parkes, A. S. (Alan Sterling), 1900-1990National Institute for Medical Research (Great Britain)Medical Research Council (Great Britain)Glycerin
“Child Development in the Context of Disaster, War, and Terrorism: Pathways of Risk and Resilience” (2012), by Ann S. Masten and Angela J. Narayan
By: Hira Ali
| Published: Nov 15, 2017
In 2012 Ann S. Masten and Angela J. Narayan published the article “Child Development in the Context of Disaster, War, and Terrorism: Pathways of Risk…
LiteraturePost-Traumatic Stress DisorderChildren and warChild disaster victimsPost-traumatic stress disorder in children
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
Neonatal Jaundice
By: Arianna Bradley
| Published: Feb 23, 2017
Neonatal jaundice is the yellow discoloration of the skin and eyes due to elevated bilirubin levels in the bloodstream of a newborn. Bilirubin is a…
Jaundice, NeonatalHyperbilirubinemia, NeonatalErythroblastosis FetalisPhototherapyChildren's Hospital Medical Center (Boston, Mass.)
Karl Landsteiner (1868-1943)
By: Corey Harbison
| Published: Feb 17, 2017
Karl Landsteiner studied blood types in Europe and in the United States in the late nineteenth and early twentieth centuries. Landsteiner won the…
Rh factorRhesus MonkeyBlood GroupsBlood CellsBlood Transfusions