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Dysmenorrhea as a Menstrual Disorder
By: Emily Santora
| Published: Jul 21, 2021
Dysmenorrhea refers to painful menstrual bleeding and often includes symptoms such as cramps in the lower abdominal region, pain radiating down to…
BelladonnaDysmenorrheaWomen's health servicesReproductive HealthMenstruation, Painful
Plowman v. Fort Madison Community Hospital (2017)
By: Victoria Higginbotham
| Published: May 23, 2019
In June 2017, the Iowa Supreme Court decided the case Plowman v. Fort Madison Community Hospital, or Plowman v. FMCH, and ruled that women who gave…
LawWrongful lifeWrongful BirthAbnormalities, HumanIowa
"A molecular wound response program associated with regeneration initiation in planarians" (2012), by Danielle Wenemoser et al.
By: Joe Brinkman
| Published: May 09, 2017
In 2012, a team of scientists across the US conducted an experiment to find the mechanism that allowed a group of flatworms, planarians, to…
Regeneration (Biology)GeneticsPlanariansGenesWound Healing
"The Limited In Vitro Lifetime of Human Diploid Cell Strains" (1964), by Leonard Hayflick
By: Zane Bartlett
| Published: Feb 11, 2017
Leonard Hayflick in the US during the early 1960s showed that normal populations of embryonic cells divide a finite number of times. He published his…
Cell DivisionBiology, ExperimentalCells, CulturedEmbryo Culture Techniquescell aging
Planned Parenthood Center of Tucson (1950-1977)
By: Claudia Nunez-Eddy
| Published: Oct 22, 2016
Established in 1950, the Planned Parenthood Center of Tucson provided Arizona women with family planning resources until 1977, when it expanded to…
OrganizationSanger, Margaret, 1879-1966ContraceptionPlanned Parenthood Federation of AmericaInfertility
A plant genetically modified that accumulates Pb is especially promising for phytoremediation (2003), by Carmina Gisbert et al.
By: Ernest Nkansah-Dwamena
| Published: Dec 30, 2014
In 2003, Carmina Gisbert and her research team produced a tobacco plant that could remove lead from soil. To do so, they inserted a gene from wheat…
PhytoremediationtobaccoLeadSoil Pollutioncadmium
"Experiments in Plant Hybridization" (1866), by Johann Gregor Mendel
By: Amanda Andrei
| Published: Sep 04, 2013
During the mid-nineteenth century, Johann Gregor Mendel experimented with pea plants to develop a theory of inheritance. In 1843, while a monk in the…
GeneticsPeasLegumesPhenotypePlant breeding
Alexis Carrel's Immortal Chick Heart Tissue Cultures (1912-1946)
By: Lijing Jiang
| Published: Jul 03, 2012
In an effort to develop tissue culture techniques for long-term tissue cultivation, French surgeon and biologist Alexis Carrel, and his associates,…
Carrel, Alexis, 1873-1944Tissue cultureCellsGerm CellsEmbryos
Rudolf Carl Virchow (1821-1902)
By: Megan Kearl
| Published: Mar 17, 2012
Rudolf Carl Virchow lived in nineteenth century Prussia, now Germany, and proposed that omnis cellula e cellula, which translates to each cell comes…
PeopleCellsPathology, CellularPathology, Comparativepublic health
Sir Graham Collingwood Liggins (1926-2010)
By: Kathleen O'Connor
| Published: Feb 16, 2012
Sir Graham Collingwood Liggins devoted much of his professional life to obstetric research. Liggins demonstrated that hormones created by the fetus…
PeopleObstetriciansFetusEmbryosPregnancy