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After becoming chief pathologist at the University of Wisconsin-Madison Wisconsin Regional Primate Center in 1995, James A. Thomson began his…
Stem CellsExperimentsPublicationsHuman DevelopmentFrom 1951 to 2001, researchers at the University of Oxford in Oxford, England, conducted the British Doctors’ Study, a study that examined the…
Doll, RichardHill, A. Bradford (Austin Bradford), 1897-1991Tobacco use--Health aspectsTobacco UseLungs--CancerLuc Montagnier studied viruses, the immune system, and cancer in France during the second half of the twentieth century. In his early career,…
AIDS vaccinesAIDS (Disease)AIDS malignanciesHIV-positive personsHIV (Viruses)Hermann Joseph Muller conducted three experiments in 1926 and 1927 that demonstrated that exposure to x-rays, a form of high-energy radiation, can…
X-raysRadiationGeneticsMutationDrosophilaBetween 1935 and 1937, Leonard Colebrook showed that sulfonamides, a class of antibacterial drugs, worked as an effective treatment for puerperal…
Puerperal septicemiaSulfonamidesMedical Research Council (Great Britain)Streptococcus agalactiaeStreptococcus pyogenesIn "Selective Growth Stimulating Effects of Mouse Sarcoma on the Sensory and Sympathetic Nervous System of the Chick Embryo," Rita Levi-Montalcini…
Chick EmbryoExperimentsChicksMiceIn 2004, a team of researchers at Tufts-New England Medical Center in Boston, Massachusetts, investigated the fetal cells that remained in the…
CellsStem CellsMaternal-Fetal ExchangeFetal cells from maternal bloodFetusIn 2007, Philippe Horvath and his colleagues explained how bacteria protect themselves against viruses at Danisco, a Danish food company, in Dangé-…
gene editingStreptococcus thermophilusvirusesBacteriaRNAIn a series of experiments during mid 1930s, a team of researchers in New York helped establish that bacteria of the species Toxoplasma gondii can…
ToxoplasmosisColumbia UniversityCongenital ToxoplasmosisEncephalomyelitisInfectionIn 1968, pediatric researchers Jerold Lucey, Mario Ferreiro, and Jean Hewitt conducted an experimental trial that determined that exposure to light…
PhototherapyJaundiceKernicterusBilirubinHyperbilirubinemia