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Julia Barlow Platt's Embryological Observations on Salamanders' Cartilage (1893)
By: Karina Ramirez
| Published: Mar 06, 2017
In 1893, Julia Barlow Platt published her research on the origins of cartilage in the developing head of the common mudpuppy (Necturus maculosus)…
CartilageEmbryosGastrulationEmbryologyNecturus
Edgar Allen and Edward A. Doisy's Extraction of Estrogen from Ovarian Follicles, (1923)
By: Brendan Van Iten
| Published: Mar 02, 2017
In the early 1920s, researchers Edgar Allen and Edward Adelbert Doisy conducted an experiment that demonstrated that ovarian follicles, which produce…
OvariesCorpus LuteumEndometriumEstrogenHormones, Sex
Transposition of the Great Arteries (TGA)
By: Daniella Caudle
| Published: Mar 02, 2017
Transposition of the great arteries or TGA is a potentially fatal congenital heart malformation where the pulmonary artery and the aorta are switched…
Transposition of Great VesselsMustard, William T., 1914-1987Congenital Heart DiseaseSenning Operation
Dandy-Walker Syndrome
By: Alexandra Bohnenberger
| Published: Mar 02, 2017
Dandy-Walker Syndrome is a congenital brain defect in humans characterized by malformations to the cerebellum, the part of the brain that controls…
Dandy, Walter Edward, 1886-1946Walker, A. Earl (Arthur Earl), 1907-1995HydrocephalusBirth DefectsDandy-Walker Syndrome
Walter Edward Dandy (1886-1946)
By: Alexandra Bohnenberger
| Published: Mar 02, 2017
Walter Edward Dandy studied abnormalities in the developing human brain in the United States in the twentieth century. He collaborated with…
HydrocephalusBrain--Ventricles--RadiographyVentriculography, CerebralDandy-Walker SyndromeDandy-Walker Malformation
Webster v. Reproductive Health Services (1989)
By: Carolina J. Abboud
| Published: Feb 26, 2017
In the 1989 case Webster v. Reproductive Health Services, the US Supreme Court upheld the constitutionality of a Missouri law regulating abortion…
LawBirth control clinicsAbortionFamily planning servicesAbortion--Law and legislation--United States
Burwell v. Hobby Lobby (2014)
By: Reem Gerais
| Published: Feb 26, 2017
In the 2014 case Burwell v. Hobby Lobby, the US Supreme Court ruled that the contraceptive mandate promulgated under the Patient Protection and…
LawUnited States. Supreme CourtContraceptionEmployer-sponsored health insuranceEmployer-sponsored health insurance--Law and legislation
Karl Oskar Illmensee (1939–)
By: Cheryl Lancaster
| Published: Feb 26, 2017
Karl Oskar Illmensee studied the cloning and reproduction of fruit flies, mice, and humans in the US and Europe during the twentieth and twenty-first…
CloningMolecular CloningClone CellsTwinsEmbryos
Robert Guthrie (1916–1995)
By: Meilin Zhu
| Published: Feb 23, 2017
Robert Guthrie developed a method to test infants for phenylketonuria (PKU) in the United States during the twentieth century. PKU is an inherited…
PhenylketonuriaMental RetardationMaple Syrup Urine DiseaseGalactosemiaMicrobiology
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.)