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Mary Coffin Ware Dennett advocated for social reform in the United States in the early twentieth century, particularly regarding sex education and…
Obscenity (Law)Obscenity (Law)--United StatesSex EducationReproductive HealthReproductive health--Law and legislationEstrogen is the primary sex hormone in women and it functions during the reproductive menstrual cycle. Women have three major types of estrogen:…
Menstrual CycleOral contraceptivesEstrogenEstradiolEstroneThe use of blood in forensic analysis is a method for identifying individuals suspected of committing some kinds of crimes. Paul Uhlenhuth and Karl…
Blood GroupsAntigen-Antibody ReactionsBiological specimens--IdentificationForensic sciencesBlood CellsKurt Benirschke studied cells, placentas, and endangered species in Germany and the US during the twentieth century. Benirschke was professor at the…
Developmental BiologyGeneticsEndangered SpeciesGene librariesEmbryologyMethylmercury (MeHg) is an organic form of mercury that can damage the developing brains of human fetuses. Women who consume methylmercury during…
MethylmercuryMercury in the bodyFishes--Mercury contentToxicologyMercuryEugenical 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 OfficeGeorge McDonald Church studied DNA from living and from extinct species in the US during the twentieth and twenty-first centuries. Church helped to…
DNA SequenceNucleotide sequenceGenesGenomesGeneticsThe hedgehog signaling pathway is a mechanism that directs the development of embryonic cells in animals, from invertebrates to vertebrates. The…
EmbryologyEmbryosWieschaus, Eric F.Cellular signal transductionDrosophila melanogasterThe Assisted Human Reproduction Act (AHR Act) is a piece of federal legislation passed by the Parliament of Canada. The Act came into force on 29…
LawReproductive technologyFertilization in vitro, Human--Law and legislationMedicine--Research--Law and legislationBiomedical EthicsFriedrich Tiedemann studied the anatomy of humans and animals in the nineteenth century in Germany. He published on zoological subjects, on the heart…
BrainAnatomy, ComparativeEmbryologyFetal braindevelopment