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Libbie Henrietta Hyman (1888-1969)
By: Kristin Bolfert
| Published: Nov 01, 2007
Libbie Henrietta Hyman was born into a recently immigrated Jewish family on 6 December 1888 in Des Moines, Iowa. One of many siblings and daughter to…
PeopleZoologyBiography
Leo Kanner (1894-1981)
By: Sean Cohmer
| Published: Apr 30, 2014
Leo Kanner studied and described early infantile autism in humans in the US during the twentieth century. Though Eugen Bleuler first coined the term…
AutismAutism in children
Robert William Briggs (1911-1983)
By: Adam R. Navis
| Published: Nov 08, 2007
Robert William Briggs was a prolific developmental biologist. However, he is most identified with the first successful cloning of a frog by nuclear…
PeopleNuclear Transfer TechniquesNuclear TransplantationBiography
George Frederic Still (1868–1941)
By: Hayden Innes
| Published: Jun 10, 2021
George Frederic Still studied pediatrics and childhood conditions in England during the early twentieth century. In Still’s time, pediatrics, or the…
PediatricsPediatric epidemiologyChild health servicesJoint DiseasesADHD
The Use of Morphine and Scopolamine to Induce Twilight Sleep
By: Jessica Cartwright
| Published: May 02, 2019
In 1907, researchers Bernhardt Kronig and Carl Gauss combined the drugs morphine and scopolamine to induce twilight sleep in women during childbirth…
MorphineScopolamineAnesthesia AdjuvantsAnesthesiaLabor (Obstetrics)
“Revival of Spermatozoa after Dehydration and Vitrification at Low Temperatures” (1949), by Christopher Polge, Audrey Ursula Smith, and Alan Sterling Parkes
By: Bailey Renee
| Published: Oct 05, 2017
In the 1949 article “Revival of Spermatozoa after Dehydration and Vitrification at Low Temperatures,” researchers Christopher Polge, Audrey Ursula…
LiteratureMedical Research Council (Great Britain)GlycerinCryopreservationSpermatozoa
Percivall Pott (1714-1788)
By: Carolina Abboud
| Published: May 31, 2017
Percivall Pott was a physician in England during the eighteenth century who identified soot as the cause of chimney sweeps' scrotal cancer, later…
Pott, Percivall, 1714-1788CancerChimney sweepsPott Puffy TumorCarcinoma, Squamous Cell
Julia Clifford Lathrop (1858–1932)
By: Katherine Madgett
| Published: May 22, 2017
Julia Clifford Lathrop was an activist and social reformer in the late nineteenth to early twentieth centuries and the first chief of the United…
Lathrop, Julia Clifford, 1858-1932United States. Children's BureauPrenatal care--Law and legislationMaternal and infant welfare--United StatesWomen's health services--United States
Meiosis in Humans
By: Inbar Maayan
| Published: Mar 24, 2011
Meiosis, the process by which sexually-reproducing organisms generate gametes (sex cells), is an essential precondition for the normal formation of…
MeiosisReproductionHuman Development
Oral Glucose Tolerance Test for Gestational Diabetes
By: Alison Lane
| Published: Dec 09, 2020
In the twentieth century, researchers developed the oral glucose tolerance test, or OGTT, as a method to diagnose different types of diabetes, a…
TechnologyDiagnosisDiabetes--DiagnosisGlucose tolerance testsBlood Glucose