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Sergio Cereceda Stone (1942- )
By: Hilary Gilson
| Published: Jun 07, 2010
Sergio Cereceda Stone was born 16 April 1942 in the coastal city of Valparaiso, Chile. Stone's mother Luz was a housewife and caretaker for Sergio…
PeopleFertilityethicsReproductionBiography
Clomiphene Citrate
By: Tian Zhu
| Published: Jul 25, 2009
Clomiphene citrate, more commonly known by its brand names Clomid and Serophene, is a medication prescribed to women to stimulate ovulation in order…
TechnologyClomipheneFertility
Ernst Gräfenberg (1881–1957)
By: Baylee A. Edwards
| Published: Nov 17, 2022
Ernst Gräfenberg was a physician and researcher who studied sexology, the study of human sexuality, in both Germany and the United States during the…
G spotFemale orgasmGynecologySexology--ResearchWorld War, 1914-1918
George W. Beadle's One Gene-One Enzyme Hypothesis
By: Divyash Chhetri
| Published: May 23, 2014
The one gene-one enzyme hypothesis, proposed by George Wells Beadle in the US in 1941, is the theory that each gene directly produces a single enzyme…
Beadle, George Wells, 1903-1989GeneticsGenetics, ExperimentalDrosophila melanogaster
China's One-Child Policy
By: Lijing Jiang
| Published: Mar 31, 2011
In September 1979, China's Fifth National People's Congress passed a policy that encouraged one-child families. Following this decision from the…
ContextethicsReproductionFertilityGovernment
Smile Train (1999–)
By: Grace Rauch
| Published: Feb 06, 2024
Smile Train is a non-profit organization that Brian Mullaney and Charles Wang founded in 1999 in New York City, New York, that provides resources and…
Cleft PalateCleft palate childrenCleft palate—psychological aspectsCleft Lip
Your Baby’s Sex: Now You Can Choose (1970), by David M. Rorvik and Landrum B. Shettles
By: Alysse Blight
| Published: Oct 31, 2019
In the book Your Baby’s Sex: Now You Can Choose, David Michael Rorvik and Landrum Brewer Shettles describe methods that couples can use prior to and…
LiteratureSex PreselectionSex PredeterminationFamily PlanningGender
Arthur William Galston (1920–2008)
By: Cecilia Chou
| Published: Apr 27, 2017
Arthur W. Galston studied plant hormones in the United States during the late-twentieth century. His dissertation on the flowering process of soybean…
Agent OrangeSoybeanTetrachlorodibenzodioxinHerbicidesDefoliants
Calvin Blackman Bridges (1889-1938)
By: Kevin Gleason
| Published: May 19, 2017
Calvin Blackman Bridges studied chromosomes and heredity in the US throughout the early twentieth century. Bridges performed research with Thomas…
DrosophilaHeredityInheritance of acquired charactersColumbia University--Graduate studentsMutation