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Paul Kammerer (1880-1926)
By: Federica Turriziani Colonna
| Published: Nov 25, 2014
Paul Kammerer conducted experiments on amphibians and marine animals at the Vivarium, a research institute in Vienna, Austria, in the early twentieth…
Kammerer, Paul, 1880-1926Kammerer, Paul, 1880-1926. Streitfrage der Vererbung erworbener Eigenschaften. EnglishInheritance of acquired charactersAdaptationMidwife toads
“All-fours Maneuver for Reducing Shoulder Dystocia During Labor” (1999), by Joseph P. Bruner, Susan B. Drummond, Anna L. Meenan, and Ina May Gaskin
By: Megan O'Reilly
| Published: Sep 28, 2020
In 1999, Joseph Bruner, Susan B. Drummond, Anna L. Meenan, and Ina May Gaskin published, “All-fours Maneuver for Reducing Shoulder Dystocia During…
LiteratureShoulder DystociaMidwiferyBirth InjuriesBirth injuries--Complications
Light Therapy for Neonatal Jaundice
By: Arianna Bradley
| Published: Aug 17, 2017
Light therapy, also called phototherapy, exposes infants with jaundice, a yellowing of the skin and eyes, to artificial or natural light to break…
TechnologyPhototherapyJaundiceKernicterusBilirubin
Frank Rattray Lillie's Study of Freemartins (1914-1920)
By: Mary Drago
| Published: Mar 14, 2014
Frank Rattray Lillie's research on freemartins from 1914 to 1920 in the US led to the theory that hormones partly caused for sex differentiation in…
Lillie, Frank Rattray, 1870-1947Intersexuality in animalsFreemartinismHormonesExperiments
Hedgehog Signaling Pathway
By: Dorothy R. Haskett
| Published: Jul 30, 2015
The hedgehog signaling pathway is a mechanism that directs the development of embryonic cells in animals, from invertebrates to vertebrates. The…
EmbryologyEmbryosWieschaus, Eric F.Cellular signal transductionDrosophila melanogaster
Madison Grant (1865–1937)
By: Aliya R. Hoff
| Published: Jun 20, 2021
Madison Grant was a lawyer and wildlife conservationist who advocated for eugenics policies in the US during the late nineteenth and early twentieth…
EugenicsGrant, Madison, 1865-1937Denali National Park and Preserve (Alaska)NazisWorld War, 1939-1945
International Treaty on Plant Genetic Resources for Food and Agriculture (2001)
By: Marci Baranski
| Published: Oct 07, 2013
The International Treaty on Plant Genetic Resources for Food and Agriculture, referred to as the Plant Treaty, was approved on 3 November 2001 by…
LawGermplasm resources, PlantGermplasm resources, Plant--Law and legislationbiodiversityUnited Nations associations
Kurt Benirschke (1924-)
By: Karen Love
| Published: Apr 26, 2016
Kurt Benirschke studied cells, placentas, and endangered species in Germany and the US during the twentieth century. Benirschke was professor at the…
Developmental BiologyGeneticsEndangered SpeciesGene librariesEmbryology
John Craig Venter (1946- )
By: Tito Carvalho
| Published: May 06, 2014
John Craig Venter helped map the genomes of humans, fruitflies, and other organisms in the US in the late 1990s and early 2000s, and he helped…
Nucleotide sequenceVenter, J. CraigCelera GenomicsExpressed Sequence TagsHaemophilus influenzae
The Effects of Bisphenol A on Embryonic Development
By: Tristan Cooper-Roth
| Published: Sep 07, 2010
Bisphenol A (BPA) is an organic compound that was first synthesized by Aleksandr Dianin, a Russian chemist from St. Petersburg, in 1891. The chemical…
bisphenol AReproductionHormonesHuman Development