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Light therapy, also called phototherapy, exposes infants with jaundice, a yellowing of the skin and eyes, to artificial or natural light to break…
TechnologyPhototherapyJaundiceKernicterusBilirubinRobert 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 DiseaseGalactosemiaMicrobiologyCharles Bradlaugh was as a political and social activist in the seventeenth century in England. He held leadership positions in various organizations…
Knowlton, Charles, 1800-1850Bradlaugh, Charles, 1833-1891Besant, Annie, 1847-1933Birth ControlObscenity (Law)--Great BritainHarry Clay Sharp was a surgeon who performed one of the first recorded vasectomies with the purpose of sterilizing a patient. Sterilization is the…
VasectomyEugenicsSterilizationFamily PlanningMale SterilizationEugenical Sterilization in the United States is a 1922 book in which author Harry H. Laughlin argues for the necessity of compulsory sterilization in…
LiteratureEugenicsInvoluntary SterilizationHeredityEugenics Record OfficeRichard Woltereck was a German zoologist and hydrobiologist who studied aquatic animals and extended the concept of Reaktionsnorm (norm of reaction)…
PeopleEvolutionHeredityEmbryologyAquatic animalsHans Adolf Eduard Driesch was a late-nineteenth and early-twentieth century philosopher and developmental biologist. In the spring of 1891 Driesch…
ExperimentsPublicationsSea UrchinsTransposition 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 OperationThroughout history many different methods have been devised for the early detection of pregnancy. From the time of the Ancient Egyptians, inspection…
Pregnancy TestsReproductionFertilityFrederik Ruysch made anatomical drawings and collected and preserved human specimens, many of which were infants and fetuses, in the Netherlands…
PeopleRuysch, Frederik, 1638-1731ObstetriciansMedical JurisprudenceEmbalming