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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
Diethylstilbestrol (DES) in the US
By: Alexis Abboud
| Published: Mar 23, 2015
Diethylstilbestrol (DES) is an artificially created hormone first synthesized in the late 1930s. Doctors widely prescribed DES first to pregnant…
DiethylstilbestrolDiethylstilbestrol--Side effectsDiethylstilbestrol--CarcinogenicityPregnancyEstrogen
Mitochondrial DNA (mtDNA)
By: Dorothy R. Haskett
| Published: Dec 19, 2014
Mitochondrial DNA (mtDNA) is located outside the nucleus in the liquid portion of the cell (cytoplasm) inside cellular organelles called Mitochondria…
Mitochondrial DNAMitochondriaMitochondrial DisordersMitochondrial pathologyMitochondrial DNA--Abnormalities
Ernest Armstrong McCulloch (1926–2011)
By: Akaash Surendra
| Published: Jun 19, 2025
Ernest Armstrong McCulloch was a medical researcher who studied the biology of blood cells and blood cancer in Toronto, Ontario, in the second half…
Hematopoietic Stem CellsHematopoiesisLeukemia, Myeloid, AcuteScientists--BiographyAcute myeloid leukemia
“HPV in the Etiology of Human Cancer” (2006) by Nubia Muñoz, Xavier Castellsagué, Amy Berrington de González, and Lutz Gissmann
By: Maeen Arslan
| Published: Jun 21, 2022
In 2006, the article “HPV in the Etiology of Human Cancer,” hereafter “HPV and Etiology,” by Nubia Muñoz, Xavier Castellsagué, Amy Berrington de…
LiteraturePapillomavirusesCervix uteri--CancerVaccine mandatesMouth--Cancer
Charles Darwin's Theory of Pangenesis
By: Yawen Zou
| Published: Jul 20, 2014
In 1868 in England, Charles Darwin proposed his pangenesis theory to describe the units of inheritance between parents and offspring and the…
HeredityDarwin, Charles, 1809-1882ReproductionEvolutionNatural selection
US Regulatory Response to Thalidomide (1950-2000)
By: Chanapa Tantibanchachai
| Published: Apr 01, 2014
Thalidomide, a drug capable of causing fetal abnormalities (teratogen), has caused greater than ten thousand birth defects worldwide since its…
ContextThalidomideThalidomide--Side effectsTeratogenicity testingMultiple Myeloma
Slime Mold Video
By: Mary E. Sunderland
| Published: May 02, 2008
This video is composed of a sequence of films created by John Tyler Bonner in the 1940s to show the life cycle of the cellular slime mold…
DictyosteliidaMovies
August Karl Gustav Bier (1861–1949)
By: Nicole Erjavic
| Published: Nov 15, 2017
In the late nineteenth century, August Karl Gustav Bier was a surgeon in Germany who studied spinal cord anesthesia, later called spinal block. Bier…
Spinal anesthesiaHyperemiaSpine--PunctureLumbar PunctureAnesthesia, Regional
Intrauterine Pressure Catheter
By: Olivia Mandile
| Published: Jul 18, 2017
An intrauterine pressure catheter (IUPC) is a device placed inside a pregnant woman’s uterus to monitor uterine contractions during labor. During…
TechnologyObstetricsChildbirthLabor (Obstetrics)Delivery (Obstetrics)