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Recombinant Gonadotropins Used in Fertility Treatments
By: Alison Lane
| Published: Oct 26, 2020
First manufactured in 1988 by Serono laboratories, recombinant gonadotropins are synthetic hormones that can stimulate egg production in women for…
TechnologyRecombination, GeneticGenetic recombination--ResearchLuteinizing HormoneGonadotropin
Biological Sex and Gender in the United States
By: Risa Aria Schnebly
| Published: Jun 13, 2022
In the United States, most people are assigned both a biological sex and gender at birth based on their chromosomes and reproductive organs.…
GenderGender-nonconforming peopleGender transitionGender expressionGender Nonconformity
George Herbert Hitchings (1905–1998)
By: Eboni E. Andersun
| Published: Jun 25, 2024
George Herbert Hitchings researched and developed medications that targeted specific parts of DNA replication processes to treat cancers and various…
Nucleoside analogDNA ReplicationDrug DevelopmentAcyclovirPharmacology
Zidovudine or Azidothymidine (AZT)
By: Chase V. Florez
| Published: Jun 30, 2020
In 1964, Jerome Horwitz synthesized the drug zidovudine, commonly abbreviated ZDV, otherwise known as azidothymidine, or AZT, at Wayne State…
AZT (Drug)AzidothymidineHIV-positive menHIV-positive childrenHIV-positive women
Leuprorelin as a Treatment for Endometriosis
By: Anna Guerrero, Emily Santora
| Published: Nov 30, 2019
Leuprolide acetate, or leuprorelin, is a manufactured drug that has been prescribed as a treatment for endometriosis, a medical condition in which…
EndometriosisEndometriumDrug utilizationDrugs--AdministrationUterus
Intraspecies Chimeras Produced in Laboratory Settings (1960-1975)
By: Sarah Taddeo
| Published: Nov 25, 2014
When cells-but not DNA-from two or more genetically distinct individuals combine to form a new individual, the result is called a chimera. Though…
ContextChimerismEmbryosEmbryonic Stem CellsMosaicism
August Friedrich Leopold Weismann (1834-1914)
By: Yawen Zou
| Published: May 23, 2014
August Friedrich Leopold Weismann studied how the traits of organisms developed and evolved in a variety of organisms, mostly insects and aquatic…
Germ CellsHeredity
Richard Woltereck's Concept of Reaktionsnorm
By: B. R. Erick Peirson
| Published: Sep 06, 2012
Richard Woltereck first described the concept of Reaktionsnorm (norm of reaction) in his 1909 paper 'Weitere experimentelle Untersuchungen uber Art-…
Woltereck, Richard, 1877-1944EvolutionDaphniaEmbryologyHeredity
40 Weeks (2014)
By: Jessica Cartwright
| Published: Jan 30, 2019
In 2014, Big Belli, a media and social networking brand, released a documentary called 40 Weeks online. The documentary, directed by Christopher…
LiteraturePregnancyConceptionLabor (Obstetrics)Prenatal influences
Ectogenesis as a Theme in The Dialectic of Sex: The Case for Feminist Revolution (1970), by Shulamith Firestone
By: Aubrey Pinteric
| Published: Aug 08, 2025
In 1970, Shulamith Firestone, a self-described radical feminist and writer, published The Dialectic of Sex: The Case for Feminist Revolution,…
FertilityEctogenesisReproductive technologyFeminism and scienceFeminism in the press