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Margaret (Peggy) Goldwater (1909–1985)
By: Claudia Nunez-Eddy
| Published: Oct 13, 2016
Margaret Goldwater advocated for birth control and reproductive rights in the United States during the twentieth century. Goldwater was a socialite…
Goldwater, Margaret, 1909-1985Sanger, Margaret, 1879-1966ContraceptionDiaphragms, VaginalAbortion
The Mother's Health Clinic of Phoenix (1937-1942)
By: Claudia Nunez-Eddy
| Published: Oct 12, 2016
The Mother's Health Clinic opened in Phoenix, Arizona, in 1937 and provided women in central Arizona with contraception and family planning resources…
OrganizationSanger, Margaret, 1879-1966ContraceptionArizonaDiaphragms, Vaginal
Clinica Para Madres (1934-1950)
By: Claudia Nunez-Eddy
| Published: Oct 12, 2016
The Clinica Para Madres (Mother’s Clinic) opened in Tucson, Arizona, in December of 1934 as the first birth control clinic in Arizona. After moving…
OrganizationSanger, Margaret, 1879-1966ArizonaPlanned Parenthood Federation of AmericaContraception
Beadle and Tatum's 1941 Experiments with Neurospora Revealed that Genes Produce Enzymes
By: Amy Pribadi
| Published: Oct 12, 2016
This illustration shows George Beadle and Edward Tatum's experiments with Neurospora crassa that indicated that single genes produce singl
Neurospora crassaMicrobiologyX-raysGeneticsEnzymes
Neurospora crassa Life Cycle
By: Amy Pribadi
| Published: Oct 12, 2016
This diagram shows the life cycle of Neurospora crassa, a mold that grows on bread. N.
Neurospora crassaMicrobiologyMicroscopyGrowthdevelopment
Beadle's One Gene-One Enzyme Hypothesis
By: Amy Pribadi
| Published: Oct 12, 2016
Between 1934 and 1945, George Beadle developed a hypothesis that each gene within the chromosomes of organisms each produced one enzyme.
CellsGeneticsEnzymesGenesAmino Acids
Beadle and Ephrussi’s Technique to Transplant Optic Discs between Fruit Fly Larvae
By: Amy Pribadi
| Published: Oct 11, 2016
In 1935, George Beadle and Boris Ephrussi developed a technique to transplant optic discs between fruit fly larvae.
Fruit-fliesImaginal DisksGeneticsdevelopmentMetamorphosis, Biological
Neurospora crassa
By: Amy Pribadi
| Published: Oct 11, 2016
Neurospora crassa is a red mold that scientists use to study genetics. N.
Neurospora crassaMicrobiologyMicroscopyCulture MediaMolds
Beadle and Ephrussi Show that Something Besides Eye Tissue Determines Eye Color in Fruit Flies
By: Amy Pribadi
| Published: Oct 11, 2016
In the 1930s, George Beadle and Boris Ephrussi discovered factors that affect eye colors in developing fruit flies.
Fruit-fliesImaginal DisksGeneticsdevelopmentMetamorphosis, Biological
Hans Asperger (1906-1980)
By: Alexandra Bohnenberger
| Published: Aug 27, 2016
Hans Asperger studied mental abnormalities in children in Vienna, Austria, in the early twentieth century. Asperger was one of the early…
Asperger's syndromeMental HealthPsychiatryChild psychiatryWorld Health Organization