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Ethics and Induced Pluripotent Stem Cells
By: Katherine Brind'Amour
| Published: Jun 10, 2009
The recent development of induced pluripotent stem cells (iPSCs) and related technologies has caught the attention of scientists, activists,…
ethicsStem Cells
“A Syndrome of Infantilism, Congenital Webbed Neck, and Cubitus Valgus” (1938), by Henry Hubert Turner
By: Megha Pillai
| Published: Jul 02, 2024
In 1938, physician Henry Hubert Turner published “A Syndrome of Infantilism, Congenital Webbed Neck, and Cubitus Valgus,” hereafter “A Syndrome of…
Turner SyndromeNoonan SyndromeFemale Pseudo-Turner SyndromeInfantilism, GenitalGonadotropin-Releasing Hormone
“Prenatal Diagnosis of Down Syndrome: Mothers’ Reflections on Supports Needed From Diagnosis to Birth” (1998), by David T. Helm, Sara Miranda, and Naomi Angoff Chedd
By: Grace Rauch
| Published: Jun 04, 2024
On 1 February 1998, David T. Helm, Sara Miranda, and Naomi Angoff Chedd published “Prenatal Diagnosis of Down Syndrome: Mothers’ Reflections on…
Down syndromeCongenital AbnormalitiesGenetic disorders in pregnancygenetic testingAmniocentesis
Stanley Paul Leibo (1937–2014)
By: Risa Aria Schnebly
| Published: Feb 05, 2021
Stanley Paul Leibo studied the cryopreservation of embryos in the US in the twentieth century. Cryopreservation is a method of preserving biological…
Low temperature engineeringCryonicsScience and civilizationEmbryo transplantationCryotherapy
Hox Genes and the Evolution of Vertebrate Axial Morphology Experiment (1995)
By: Joe Brinkman
| Published: Jun 23, 2017
In 1995, researchers Ann Burke, Craig Nelson, Bruce Morgan, and Cliff Tabin in the US studied the genes that regulate the construction of vertebra in…
Homeobox genesMorphology (Animals)Genes, HomeoboxGrowth and DevelopmentExperiments
Frank Rattray Lillie's Study of Freemartins (1914-1920)
By: Mary Drago
| Published: Mar 14, 2014
Frank Rattray Lillie's research on freemartins from 1914 to 1920 in the US led to the theory that hormones partly caused for sex differentiation in…
Lillie, Frank Rattray, 1870-1947Intersexuality in animalsFreemartinismHormonesExperiments
Francis Galton (1822-1911)
By: Cera R. Lawrence
| Published: Apr 06, 2011
Sir Francis Galton was a British science writer and amateur researcher of the late nineteenth century. He contributed greatly to the fields of…
PeopleGalton, Francis, 1822-1911GeneticsReproductionBiography
Chorionic Villus Sampling
By: Katherine Brind'Amour
| Published: Jan 21, 2009
Chorionic villus sampling (CVS) is a test used for prenatal diagnosis. Safe to perform at an earlier stage in pregnancy than amniocentesis, CVS is…
TechnologyChorionic Villus SamplingChorionic Villi SamplingReproduction
Allan Charles Wilson (1934-1991)
By: Dorothy Haskett
| Published: Jul 24, 2014
Allan C. Wilson studied genes, proteins, and body structures of animals and humans in the US during the second half of the twentieth century. Wilson…
Human EvolutionEvolutionChimpanzeesMitochondriaElectrophoresis
Victor Jollos (1887-1941)
By: B. R. Erick Peirson
| Published: Sep 16, 2014
Victor Jollos studied fruit flies and microorganisms in Europe and the US, and he introduced the concept of Dauermodifikationen in the early 1900s.…
ParameciumDrosophilaHeredityProtistaprotozoology