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The establishment and growth of developmental-evolutionary biology owes a great debt to the work of John Tyler Bonner. Bonner's studies of cellular…
PeopleDictyosteliidaBiographyMorphogenesisMulticellularityIn Arizona, statutes that protect persons, such as the wrongful death statute, will not be interpreted by the courts to grant personhood status to…
LawFertilization in VitroReproductionFertilizationbioethicsThroughout his long and fruitful career John Tyler Bonner has made great strides in understanding basic issues of embryology and developmental-…
LiteratureMorphogenesisPublicationsThis influential opinion by famed jurist Oliver Wendell Holmes, Jr. was copied by courts throughout the United States. For over sixty years, courts…
LawFetusbioethicsThis video is composed of a sequence of films created by John Tyler Bonner in the 1940s to show the life cycle of the cellular slime mold…
DictyosteliidaMoviesIn a case of first impression in the state of New York, the highest state court decided that a priori written agreement between progenitors of frozen…
LawFertilization in VitroReproductionFertilizationbioethicsAlexis Carrel was a doctor and researcher who studied tissue cultures. He continued Ross Granville Harrison's research and produced many…
Tissue Culture TechniquesBiographyTissue cultureJohannes Holtfreter made important discoveries about the properties of the organizer discovered by Hans Spemann. Although he spent much time away…
Organizers, EmbryonicBiographyFrogsFather Frank Pavone, a key proponent of the Roman Catholic Church's pro-life movement, has devoted his life's work to ending abortion, euthanasia,…
PeoplereligionReproductionBiographyCatholicismIn 1984 Sabine Meinecke-Tillmann and Burkhard Meinecke published their article "Experimental Chimeras - Removal of Reproductive Barrier Between Sheep…
ChimeraExperimentsSheepGoats