Filter my results
Search
Displaying 351 - 360 of 558
Germ-Free Animals
By: Maggie Zhou
| Published: May 24, 2024
Germ-free, or GF, animals are laboratory animals that completely lack microbes, making them useful tools for microbiome research. Researchers create…
Germ-Free LifeMicrobiome, HumanGut MicrobiomeBrain-Gut AxisGermfree animals
“General Considerations for the Clinical Evaluation of Drugs” (1977), by the United States Food and Drug Administration
By: Caroline Meek
| Published: Oct 31, 2019
The United States Food and Drug Administration, or FDA, published 'General Considerations for the Clinical Evaluation of Drugs,' in September 1977.…
LiteratureUnited States. Food and Drug AdministrationClinical TrialsDrugsPharmaceuticals
David Reimer and John Money Gender Reassignment Controversy: The John/Joan Case
By: Phil Gaetano
| Published: Nov 15, 2017
In the mid-1960s, psychologist John Money encouraged the gender reassignment of David Reimer, who was born a biological male but suffered irreparable…
Sex changeGender IdentitypsychologyGenderSexual and Gender Disorders
Pfeffer Cell Apparatus
By: Sara Parker
| Published: Oct 24, 2017
The Pfeffer Zelle (Pfeffer Cell Apparatus), invented by Wilhelm Pfeffer in 1877, measured the minimum pressure needed to prevent a pure solvent from…
TechnologyPlant cell membranesPlants--DevelopmentOsmosisMembranes (Technology)
Ann Trow (Madame Restell) (1812–1878)
By: Rainey Horwitz
| Published: Aug 23, 2017
Self-proclaimed female physician Ann Trow was a women’s reproductive health specialist as well as an abortion provider in New York City, New York…
AbortionAbortion servicesPro-choice movementTrials (Abortion)Abortion--Law and legislation--United States
"The Results of Operations for the Cure of Cancer of the Breast Performed at the Johns Hopkins Hospital from June, 1889, to January, 1894" (1894), by William Stewart Halsted
By: Carolina Abboud
| Published: Jun 15, 2017
In 1894, William Stewart Halsted published The Results of Operations for the Cure of Cancer of the Breast Performed at the Johns Hopkins Hospital…
LiteratureJohns Hopkins HospitalBreast--CancerMastectomyMammectomy
Austin Bradford Hill (1897-1991)
By: Carolina Abboud
| Published: Jun 15, 2017
During the twentieth century, Austin Bradford Hill researched diseases and their causes in England and developed the Bradford Hill criteria, which…
EpidemiologyCervical CancerDiseasesCarcinoma, Squamous Cellenvironment
Charles Raymond Greene (1901–1982)
By: Bianca E. Zietal
| Published: Apr 27, 2017
Charles Raymond Greene studied hormones and the effects of environmental conditions such as high-altitude on physiology in the twentieth century in…
Premenstrual syndromeFrostbiteThyroid HormonesEndocrinologyProgesterone
George Nicholas Papanicolaou (1883–1962)
By: Patsy Ciardullo
| Published: Apr 06, 2017
George Nicholas Papanicolaou developed the Pap test in the United States during the twentieth century. The Pap test is a diagnostic procedure used to…
Pap TestExfoliative cytologyCervical CancerMenstrual CycleUterine Cancer
Eugen Steinach (1861–1944)
By: Federica Turriziani Colonna, Claudia Nunez-Eddy
| Published: Feb 16, 2017
Eugen Steinach researched sex hormones and their effects on mammals in the late nineteenth and early twentieth centuries in Europe. He experimented…
Hormones, SexGenerative organsGenital OrgansGonadal Steroid HormonesTesticular Hormones