Filter my results
During the twentieth century, Austin Bradford Hill researched diseases and their causes in England and developed the Bradford Hill criteria, which…
EpidemiologyCervical CancerDiseasesCarcinoma, Squamous CellenvironmentChristine Jorgensen was a transgender woman and activist in the United States who lived during the twentieth century. She was one of the first US…
Transgender PersonsTransexualsTranssexualismGender IdentityGenderIn the late 1990s researchers Yuk Ming Dennis Lo and his colleagues isolated fetal DNA extracted from pregnant woman’s blood. The technique enabled…
AmniocentesisChorionic Villus SamplingFetusObstetricsDNAAndrew Francis Dixon studied human anatomy and egg cells at the turn of the twentieth century in Ireland and Great Britain. Dixon studied the sensory…
Nerves, CranialPolar BodiesMeiosisPetr Kropotkin proposed the theory of Pleistocene ice age, alternative theories of evolution based on embryology, and he advocated anarchist and…
EvolutionHeredityInheritance of acquired charactersPaleogeography--PleistoceneAnarchismHilde Mangold, previously Hilde Proescholdt, was a German embryologist and physiologist who became well known for research completed with Hans…
Organizers, EmbryonicBiographydifferentiationAmphibiansThe Game of Life, or just Life, is a one-person game that was created by the English mathematician John Horton Conway in the late 1960s. It is a…
gamesIn the early twentieth century US, Jean Paul Pratt and Edgar Allen conducted clinical experiments on women who had abnormal menstrual cycles. During…
EstrogenEndocrinologyDoisy, Edward Adelbert, 1893-1986MenstruationUterusIn the 1983 case City of Akron v. Akron Center for Reproductive Health the US Supreme Court ruled that certain requirements of the city of Akron’s “…
LawAbortion--Law and legislation--United StatesAbortionBirth control clinicsContraceptionIn the 1950s and 1960s, Roger Sperry performed experiments on cats, monkeys, and humans to study functional differences between the two hemispheres…
Split brainBrain--Localization of functionsCorpus callosumBrain MappingSplit-Brain Procedure